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Publicitarul Bogdan Naumovici lansează lungmetrajul „Țăndări” în ianuarie 2025

By www.forbes.ro
Published On :: Wed, 13 Nov 2024 10:40:58 +0000

Bogdan Naumovici, om de publicitate, își lansează lungmetrajul de debut pe 28 ianuarie 2025. Comedia „Țăndări”, distribuită de Forum Film, are în distribuție actori precum Alin Florea, Constantin Florescu, Cristian Bota, Nicodim Ungureanu, Cătălin Neamțu, Carmen Tănase, Dan Badea, Alex Conovaru, Sergiu Costache, Robert Tudor, Andreea Samson, și Gabriel Spahiu. De la spoturi publicitare pentru ...

The post Publicitarul Bogdan Naumovici lansează lungmetrajul „Țăndări” în ianuarie 2025 appeared first on Forbes Romania.


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Servicii AI pentru Bazilica Sf. Petru lansate de Vatican înainte de anul jubiliar

By www.forbes.ro
Published On :: Wed, 13 Nov 2024 13:11:29 +0000

Vatican a lansat o serie de servicii noi bazate pe inteligență artificială pentru Bazilica Sf. Petru, permițând acces virtual la comorile arhitecturale din perioada Renașterii și tururi îmbunătățite pentru vizitatori – zilnic aproximativ 40.000-50.000 de oameni. Noile experiențe au fost prezentate în pregătirea pentru Anul Sfânt sau Jubileul Bisericii Catolice din 2025, care are loc ...

The post Servicii AI pentru Bazilica Sf. Petru lansate de Vatican înainte de anul jubiliar appeared first on Forbes Romania.


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Trump îl nominalizează pe veteranul și prezentatorul Fox News, Pete Hegseth, pentru funcția de secretar al apărării

By www.forbes.ro
Published On :: Wed, 13 Nov 2024 13:24:11 +0000

Președintele ales Donald Trump a surprins observatorii politici marți seară prin nominalizarea prezentatorului Fox News, Pete Hegseth, pentru funcția de secretar al apărării. „Pete și-a petrecut întreaga viață ca un războinic pentru trupele noastre și pentru țară,” a declarat Trump într-un comunicat. „Pete este dur, inteligent și un adevărat susținător al politicii America First. Cu ...

The post Trump îl nominalizează pe veteranul și prezentatorul Fox News, Pete Hegseth, pentru funcția de secretar al apărării appeared first on Forbes Romania.


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Bogdan Speteanu, Moov Leasing: “Utilizatorii pot închiria o mașină pe o perioadă medie, de la unu la cinci ani, și au posibilitatea de a o schimba în funcție de nevoile de moment”

By www.forbes.ro
Published On :: Wed, 13 Nov 2024 21:44:31 +0000

Moov Leasing, un start-up românesc lansat de Bogdan Speteanu și Mircea Dihel, propune o schimbare radicală în leasingul auto, transformând experiența de utilizare a unei mașini într-una simplă și accesibilă, la fel ca utilizarea unui telefon mobil. După 20 de ani de experiență la BCR, timp în care a ocupat mai multe funcții de conducere, printre care și ...

The post Bogdan Speteanu, Moov Leasing: “Utilizatorii pot închiria o mașină pe o perioadă medie, de la unu la cinci ani, și au posibilitatea de a o schimba în funcție de nevoile de moment” appeared first on Forbes Romania.


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Who is Rajan Shaw, named in Ratan Tata's Rs 10000 crore will, now given responsibility to look after...

By www.dnaindia.com
Published On :: Thu, 14 Nov 2024 02:15:00 GMT

Known for his humility, Ratan Tata leaves behind a legacy of compassion and generosity


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Actor John Krasinski named 'Sexiest Man Alive 2024' by People magazine

By www.dnaindia.com
Published On :: Wed, 13 Nov 2024 16:05:00 GMT

Krasinski's win adds him to an esteemed group of past honourees like George Clooney, Brad Pitt, Idris Elba, and Michael B. Jordan.


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Here's why Anupamaa-fame Rupali Ganguly is seeking Rs 50 crore in defamation compensation from stepdaughter Esha Verma

By www.dnaindia.com
Published On :: Wed, 13 Nov 2024 16:34:52 GMT

Rupali Ganguly's lawyer Sana Raees Khan of Bigg Boss 17-fame reveals why Anupamaa actress is asking for Rs 50 crore as defamation compensation from her stepdaughter Esha Verma.


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This actor lived on a rooftop, starved for days, gatecrashed film sets for food; became one of India's biggest OTT stars

By www.dnaindia.com
Published On :: Thu, 14 Nov 2024 01:50:00 GMT

This actor, who once used to starve for days, gatecrash film sets for food, later became a superstar.


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Kerala lottery TODAY November 14: Karunya Plus KN- 547 result to be OUT at 3 PM, know how to check full winners list

By www.dnaindia.com
Published On :: Thu, 14 Nov 2024 02:42:00 GMT

The Kerala Lottery Result for Karunya Plus KN 547 is set to be drawn today (November 14, 2024). The draw is scheduled to be held at Gorky Bhavan near Bakery Junction in Thiruvananthapuram. The public can view the Winning Number post at 2.55 pm during the Kerala Lottery Today live broadcast.


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A Mn(III)-catalyzed arylboronic acid-based cascade reaction via a nonclassical organometallic-radical mechanism

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00244J, Research Article
Hui-Min Qian, Jian-Dong Zhang, Shun-Jun Ji, Xiao-Ping Xu
An efficient Mn(III)-catalyzed cascade reaction of arylboronic acids, o-cyanoaryl isocyanides, and indoles was developed. The mechanism was fully investigated and elucidated.
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Organocatalyzed double dearomatization reaction of non-functionalized phenols and propargylic alcohols: the important regulating effect of steric hindrance

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00103F, Research Article
Xihong Liu, Boyan Zhu, Panpan Zhou, Jingying Zhang, Anqi Chu, Rui Wang
Steric hindrance-regulated double dearomatization reaction of non-functionalized phenols and propargylic alcohols for the efficient synthesis of polycyclic diketones is reported.
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Recent advances in the metal-catalyzed asymmetric alkene hydrogenation of cyclic conjugated carbonyl compounds

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00227J, Review Article
Min Tan, Bram B. C. Peters, Pher G. Andersson, Taigang Zhou
This review summarizes the recent advances (2016–2023) in the stereoselective metal-catalyzed hydrogenation of cyclic α,β-unsaturated ketones, lactams and lactones since considerable developments were made. Where possible the application of these methodologies in synthesis is outlined.
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Modular synthesis of C2-symmetric nitrogen-containing polyaromatics via visible light-enabled reductive aza-6π electrocyclization

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00140K, Research Article
Qun-Liang Zhang, Qing-Tian Fan, Yirong Zhou, Jingli Zhang, Fang-Lin Zhang
Here, an unprecedented one-step modular construction of C2-symmetric N-PACs through  reduction/aza-6π electrocyclization was reported and the resultant C2-symmetric N-PAC could be  converted into  a powerful organic photocatalyst.
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Palladium-catalyzed [4 + 4] cycloaddition of 2-pyrones with 2-alkylidenetrimethylene carbonates: access to bridged eight-membered oxygen heterocycles

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00329B, Research Article
Huawei Lin, Biming Mao, Bing Han, Jiayi Luo, Yanqing Ge, Xuerui Zhang, Chang Wang, Hongchao Guo, Chunhao Yuan
A novel palladium-catalyzed [4 + 4] cycloaddition of 2-pyrones with 2-alkylidenetrimethylene carbonates has been developed for the synthesis of bridged eight-membered oxygen heterocycles in good yields and with excellent stereoselectivities.
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Computational insights into the synergistic interplay of ligand and fluorine effects in palladium-catalyzed regiodivergent decarboxylative allylic alkylation

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00147H, Research Article
Shiyu Wang, Hongli Wu, Xiangyang Tang, Genping Huang
DFT calculations were performed to investigate palladium-catalyzed decarboxylative allylic alkylation of allyl difluoro-β-ketoesters. The synergistic effects of ligand and fluorine substituents on regioselectivity were uncovered.
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Chiral guanidine catalyzed cyclization reactions of 1,3-enynes for lactone synthesis: switchable H-bond catalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00374H, Research Article
Yongyan Zhang, Lichao Ning, Tianxin Zhu, Zheng Xie, Shunxi Dong, Xiaoming Feng, Xiaohua Liu
Cyclization and 1,4-conjugate addition/cyclization between 2-activated 1,3-enynes and azlactones were achieved with chiral guanidine-amides for enol-type activation to yield a range of δ-lactone derivatives.
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Synthesis of a helical boron-doped PAH by post-functionalization of 3,9-diboraperylene

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00421C, Research Article
Carina Mützel, Kazutaka Shoyama, Ana-Maria Krause, Frank Würthner
A doubly helical boron-doped polycyclic aromatic hydrocarbon was synthesized, which showed a low LUMO level, a high absorption coefficient and fluorescence (ΦF = 0.73), combined with a one-dimensional π–π stacking interaction in the solid state.
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Review of application of the I2 and dimethyl sulfoxide combined reagent system to aryl methyl ketones for diverse transformations

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00396A, Review Article
Dong-Sheng Yang, Xiang-Long Chen, An-Xin Wu
The synthesis of small molecules and complex scaffolds is one of the most important topics in organic synthesis.
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Decarbonylative C(sp2)–C(sp2) reductive cross-coupling of aroyl fluorides with aryl bromides by palladium/cobalt co-catalysis

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00305E, Research Article
Chen He, Zhiyong Song, Wei Yao, Rui Lin, Yuanhong Ma
Herein, we report a decarbonylative C(sp2)–C(sp2) reductive cross-coupling of aroyl fluorides with aryl bromides by palladium and cobalt co-catalysis.
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Electrochemically dehydrogenative C(sp2)–H/S–H cross-coupling: efficient synthesis of ortho-aminophenyl thioglycoside derivatives

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00171K, Research Article
Li-Yan Hu, Li Zhu, Shen-Yuan Zhang, Yu-Xin Guo, Yuan Li, Jie Zhu, Lei Wu
A method has been reported for synthesizing aryl thioglycosides through direct electrocatalytic dehydrogenative C(sp2)–H/S–H cross-coupling.
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Blue light-mediated carbene transfer reaction of thioesters with diazoesters: efficient synthesis of tetrasubstituted Z-enol esters

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00265B, Research Article
Shuncheng Wang, Hua Zhang, Jin Yang, Dongfang Zhang, Xin-Ping Hui
An efficient metal-free, blue light-mediated carbene transfer reaction of thioesters with diazoesters has been achieved. This protocol produced tetrasubstituted Z-enol esters containing arylsulfur groups in good yields under mild conditions.
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Triazatriangulenium salts – hosts and guests in supramolecular assemblies in solution

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00500G, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sayan Sarkar, Michael Böck, Agnes Uhl, Aleksandr Agafontsev, Jürgen Schatz, Evgeny A. Kataev
Self-assembly of triangulenium dyes bearing C3-C8 substituents and their interaction with aromatic compounds and cyclophanes were studied in solution.
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Cyclization reactions of 1,6-dienes and 1,6-enynes by dual cobalt photocatalysis

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00311J, Research Article
Pei-Ting Li, Zi-Fa Shi, Wei Yu
Two triphenylamine-derived organophotocatalysts were developed. Their photocatalytic capacity was exploited to enable the [CoIII]-H-mediated cycloisomerization of 1,6-dienes and reductive cyclization of 1,6-enynes under visible light irradiation.
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Nickel metallaphotoredox-catalyzed C–O bond activation/Csp2–Csp3 coupling enabled by phosphine

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00310A, Research Article
Jiaxi Fang, Ziheng Jian, Huan Liu, Yuting Wang, Xianbo Yu, Zehuai Mou, Huifei Wang
A novel and general nickel/photoredox dual catalysis platform for benzyl alcohol C–O bond activation/Csp2–Csp3 cross coupling of benzothiazolyl bromide and free alcohol, enabled by the catalytic generation of an alkyl radical, is reported.
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Three-component Friedel–Crafts-type difunctionalization of ynamides with (hetero)arenes and iodine(III) electrophile

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00489B, Research Article
Open Access
Jun Kikuchi, Toya Nagata, Shingo Ito, Naohiko Yoshikai
A three-component Friedel–Crafts type difunctionalization of ynamides with an iodine(III) electrophile and electron-rich (hetero)arenes has been developed, enabling regio- and stereoselective synthesis of densely functionalized enamides.
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Metal-Free Cascade O-H Double Insertion Between I(III)/S(VI)-Ylides, Carboxylic Acids, and Alcohols: Modular Access to Unsymmetrical α,α-O,O-Substituted Ketones

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00453A, Research Article
Shang-Shi Zhang, Jiaohang Wei, Wen-Xuan Zou, Qiong Hu, Mei-Zhu Bao, Dan-Ting Shen, Lin Xiao, Jia-Lin Song, Xiang Liu
The synthesis of unsymmetrical α,α-O,O-substituted ketones via O-H double insertion is appealing but remains constrained due to the lack of compatible coupling partners or uncontrollable selectivity. Herein, we present a...
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Visible-light-mediated catalyst-free synthesis of trifluoromethyl(spiro)-epoxides bearing contiguous quaternary centers

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00184B, Research Article
Jingchuan Lin, Yu Zhang, Jinxin Wang, Xinyu Han, Shenglan Zhu, Tong Li, Yanping Zhu, Wei-Dong Zhang
Herein, we describe a non-covalent complex-mediated epoxidation strategy that can yield highly selective central spiro-epoxides by irradiation with visible light without the need for catalyst addition.
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Sulfamide instead of urea in Biginelli reaction: from black box to reality

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2155-2160
DOI: 10.1039/D3QO01926H, Research Article
Alexander Yu. Lyapunov, Andriy V. Tarnovskiy, Sergey Yu. Boron, Eduard B. Rusanov, Galyna P. Grabchuk, Dmytro M. Volochnyuk, Serhiy V. Ryabukhin
The scope and limitations of the classical Biginelli reaction have been expanded to principally novel substrates: sulfamide and its monosubstituted analogues.
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Iron(III)/quinoxaline-derived N,N-ligand catalyzed oxygen transfer reaction of N-vinyl nitrones through selective 4π-electrocyclization and N–O bond cleavage

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2277-2282
DOI: 10.1039/D3QO01999C, Research Article
Yan-Jiao Lu, Feng-Lan Lu, Jin-Qi Zhang, Chun-Hua Chen, Cui Liang, Xiao-Pan Ma, Dong-Liang Mo
We describe an iron(III)/quinoxaline-derived N,N-ligand promoted O-transfer reaction of N-vinyl nitrones through selective O-4π-electrocyclization and N–O bond cleavage to prepare a variety of 2,5-dihydrooxazoles in good yields.
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Deoxygenation of N-heterocyclic N-oxides using isopropanol as a recyclable reductant

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2249-2268
DOI: 10.1039/D4QO00208C, Research Article
Ho Kyeong Ryu, Yun Do Song, Jun Hee Lee
An organic photoredox-based recyclable strategy that facilitates the chemoselective deoxygenation of various functionalised N-heterocyclic N-oxides is presented.
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Synthesis of enantiopure 1,2,3-triazolylidene-type mesoionic carbene (MIC) conjugate acids featuring a rigid bicyclic scaffold

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2178-2181
DOI: 10.1039/D4QO00269E, Research Article
Vojtěch Dočekal, Mohand Melaimi, Simona Petrželová, Jan Veselý, Xiaoyu Yan, Guy Bertrand
Chiral NHCs have found numerous applications as ligands for transition metals and in their own right for asymmetric catalysis. We report a synthetic route from L-malic acid to enantiopure 1,2,3-triazoliums with the chiral center in a fused ring.
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Iridium-catalyzed reductive γ-lactonization of ortho-acylbenzoic acids in water: sustainable access to phthalides

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,2220-2230
DOI: 10.1039/D3QO02019C, Research Article
Yang Chen, Jingyu Zhang, Hongguang Du, Renshi Luo, Jiaxi Xu, Zhanhui Yang
Iridium-catalyzed reductive γ-lactonization of ortho-acylbenzoic acids in water provides a practical and sustainable route to phthalides.
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Visible light/copper catalysis enabled Heck-like coupling between alkenes and cyclic sulfonium salts via selective C–S bond cleavage

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2195-2200
DOI: 10.1039/D3QO02009F, Research Article
Xianqin Liu, Xufeng Li, Linyuan Wang, Yongjia Shi, Jian Lv, Daoshan Yang
A Heck-like coupling of cyclic sulfonium salts with alkenes via selective C–S bond cleavage using a copper complex as a photosensitizer through a visible-light-driven redox-neutral process has been developed.
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A dearomatization–rearomatization strategy for construction of 4H-quinolizin-4-ones via C–H bond functionalization of pyridines

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2319-2325
DOI: 10.1039/D3QO01990J, Research Article
Dong Qiu, Yijin Su
Herein, the synthesis of 4H-quinolizin-4-ones from N-(2-methoxy-2-oxoethyl) pyridinium salts and alkenes through dearomative cycloaddition and rearomative ring expansion has been developed.
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Regioselective electrochemical cascade C–H sulfonylation–bromination of indolizines to access difunctionalized indolizines

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,2306-2312
DOI: 10.1039/D4QO00035H, Research Article
Wenxuan Jiang, Xiang Liu, Chuanying Zhu, Meiyi Chen, Weidan Li, Hua Cao
Regioselective electrochemical C–H sulfonylation–bromination between indolizines, sodium sulfinates, and KBr has been established in an undivided cell, in which KBr serves as both the brominating agent and electrolyte.
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Photoinduced alkylation of pyrazolones via β-scission of unstrained aliphatic alcohol derivatives

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Org. Chem. Front., 2024, 11,2289-2296
DOI: 10.1039/D4QO00077C, Research Article
Xinxin Geng, Pan Tao, Yujun Li, Ke Zheng
An efficient radical approach was reported for the transformation of unstrained aliphatic alcohols through the β-scission of alkoxyl radicals.
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Nickel/photoredox-catalyzed carbonylative transformations of α-phosphorus-, α-sulfur-, and α-boron-substituted alkyl halides

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,2297-2305
DOI: 10.1039/D4QO00167B, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Le-Cheng Wang, Xiao-Feng Wu
A novel dual nickel/photoredox catalyzed direct amino- and alkoxycarbonylation of α-heteroatom substituted organohalides has been developed.
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Prins cyclization of 1,3-dioxinone: synthesis of 11-epi-badkhysin

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Org. Chem. Front., 2024, 11,2332-2338
DOI: 10.1039/D4QO00162A, Research Article
Xiaoliang Xu, Ping Hua, Yiren Xu, Baoqing He, Jingfeng Zhao, Liang Li, Wen Chen, Hongbin Zhang
The asymmetric synthesis of highly functional 11-epi-badkhysin has been accomplished using a structure-unit based approach.
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Palladium-catalyzed asymmetric [4 + 3] cycloaddition of acyclic α,β-unsaturated imines with trimethylenemethane donors: access to chiral non-fused azepines

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, 11,2326-2331
DOI: 10.1039/D4QO00064A, Research Article
Ting-Peng Li, Shuixiu Su, Jia-Huan Shen, Meng Zang, Yang-Zi Liu, Quannan Wang, Wei-Ping Deng
An efficient approach for the construction of non-fused azepines in good yields with high enantioselectivity via Pd-catalyzed asymmetric [4 + 3] cycloaddition was developed.
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Catalytic intermolecular hydrofunctionalizations of ynamides

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Org. Chem. Front., 2024, 11,2351-2374
DOI: 10.1039/D4QO00301B, Review Article
Ying-Ying Zhao, Yu-Jing Jia, Yan-Cheng Hu
This review carefully summarizes the advances achieved in catalytic hydrofunctionalization of ynamides and is categorized by the bond formation type including C−C, C−X, C−O, C−N, C−S, C−P, C−Si, and C−Ge bonds.
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Assembly of ionic supramolecular polymers using a decacationic pillar[5]arene to noncovalently crosslink hyaluronic acid for short DNA delivery

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00447G, Research Article
Qian Li, Danying Ma, Yue-Yang Liu, Hui Wang, Wei Zhou, Dan-Wei Zhang, Zhan-Ting Li
A multicationic pillar[5]arene noncovalently crosslinks hyaluronic acid to afford ionic supramolecular polymers for intramolecular delivery of short DNA.
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Aculeatones A and B, epimeric lovastatin derivatives with a 6/6/3-tricyclic carbon skeleton from Aspergillus aculeatus and their chemical transformation

By pubs.rsc.org
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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00351A, Research Article
Fei Liu, Fengqing Wang, Qin Li, Bingbing Dai, Weiguang Sun, Jianguo Li, Chunmei Chen, Yonghui Zhang, Hucheng Zhu
Lovastatin derivatives aculeatones A–F (1–6) with lipid-lowering activity were isolated from Aspergillus aculeatus. 1 and 2 represent the first examples with a 6/6/3-tricyclic scaffold and the biomimetic formation of 1 was achieved starting from 3.
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Cr-mediated Photocatalytic Decarboxylative Coupling of alpha-Oxo Acids with Benzylic Pyridinium Salts

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00475B, Research Article
Jia Cao, Yan Liu, Zhixiang Wang, Le Liu
Herein, we report the chromium/photoredox dual catalytic synthesis of ketones using α-oxo acids with benzylic pyridinium salts. This reaction proceeded by photocatalytic generation of acyl radical from α-oxo acids and...
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Visible-light Induced [1, 3]-Brook Rearrangements of α-Ketoacylsilanes and Its Subsequent Trapping in a Tandem Annulation with 1, 3, 5-Triazinanes and Azomethine Imines

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO00463A, Research Article
Zhong Zhang, Sirui Wu, Yuqiao Zhou, Bao-Lin Li, Siyue Xiao, Xiaohu Zhao, Zhipeng Yu
An unusual visible light-induced [1, 3]-Brook rearrangement of α-ketoacylsilanes for cascade cyclization with 1,3,5-triazinanes and C,N-cyclic azomethine imines has been developed under catalyst-free and mild reaction conditions. The strategy offers...
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Cobalt-catalysed Csp3–Csp3 cross-coupling of benzyl Katritzky pyridinium salts with Callyl–O electrophiles

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00402G, Research Article
Mengyu Gao, Corinne Gosmini
Different allylbenzyl derivatives are synthesized by Co-catalyzed reductive cross-coupling from functionalized benzyl Katritzky pyridinium salts and various allylic acetates, ethers or carbonates in moderate to good yields under mild conditions.
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Copper-catalyzed oxidative sulfenylation and alkylation of indolin-2-ones for direct construction of sulfur-substituted quaternary carbons

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00491D, Research Article
Yun-Hao Zhang, Yi-Nuo Wang, Zi-Yu Liu, Si-Han Zheng, Guang-Lin Li, Dexin Feng, Da-Zhen Xu
A rapid and green one-pot access to S-substituted quaternary carbon centers from commercially available feedstock chemicals has been established, providing complex molecules with high chemoselectivity by the use of air as the terminal oxidant.
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Base- and metal-free visible-light driven site-selective α-C(sp3)–H functionalization reaction of glycine derivatives with hydroxamic acid derivatives

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00425F, Research Article
Shiyun He, Hongying Fan, Xue Zhang, Meiling Ye, Jian Chen, Jinyu Hou, Tianle Huang, Li Guo, Guanghui Lv, Yong Wu
A visible-light-mediated radical–radical cross-coupling reaction between hydroxamic acid and N-phenyl glycine derivatives under base and metal free conditions is reported. A series of unnatural amino acids and peptides were obtained in good to excellent yields with good chemo-selectivity.
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A retro-Mannich mediated transformation of Morita–Baylis–Hillman ketones to saturated imidazo[1,2-a]pyridines

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00352G, Research Article
Sachin Sharma, Ajit Kumar Jha, Srinivasan Easwar
Two fruits felled with one stone! – a proof of mechanism and a synthetic method that delivers a privileged heterocyclic motif.
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Fully atom-economic access to spiro-cyclic skeletons through photoredox-induced hydrogen transfer/Giese addition/dearomative cyclization/protonation cascade

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00317A, Research Article
Guohui Zeng, Hui Luo, Kai Jiang, Jianpeng Cai, Biaolin Yin
Amine-tethered spiro-cyclic skeletons were obtained through photo-induced 100%-atom-economic dearomatization, involving the cleavage of the α-C(sp3)–H of amines. Pentacyclic framework was achieved from pyridinyl ring within two steps.
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Synthesis of oxindole fused 1,3-oxazepanes via hydride transfer initiated ring expansion of pyrrolidine

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO00474D, Research Article
Peng He, Zongkang Wang, Qiongwen Kang, Nana Fei, Chengyu Wang, Yanzhong Li
An efficient B(C6F5)3 catalyzed protocol for the synthesis of oxindole fused 1,3-oxazepanes from pyrrolidine substituted aryl alkynones has been developed.
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