ed

Synthesis of alkenylphosphine oxides via Tf2O promoted addition–elimination of ketones and secondary phosphine oxides

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00318G, Communication
Jiangkai Ma, Lianjie Wang, Anjiang Qiao, Zhongxian Li, Fengqian Zhao, Junliang Wu
An efficient method for the synthesis of alkenylphosphine oxides via the addition-elimination of SPOs to ketones has been developed. The reaction exhibits good yields and compatibility. Several conversions have also proven the value of this method.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Friedel–Crafts reactions for biomolecular chemistry

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00406J, Review Article
Open Access
Jun Ohata
This review demonstrates advances in Friedel–Crafts alkylation and acylation reactions in a variety of biomolecular chemistry fields.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Electrochemical nickel-catalyzed cross-coupling of glycosyl thiols with preactivated phenols and ketones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00442F, Communication
Fuxin Li, Hui Liu, Wanyu Xing, Qingju Zhang, Liming Wang
Here we report an efficient electrochemical nickel-catalyzed cross-coupling reaction for the synthesis of S-glycosides from preactivated phenols and ketones.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Catalyst- and base-free visible light-enabled radical relay trihalomethylation/functional group-migration/carbonylation with CX3SO2Cl

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00292J, Paper
Jinkai Hu, Chenglei Yang, Xiaotao Qin, Hui Liu, Tongtong Ma, Ao-tong Shi, Qing-Long Lv, Xingman Liu, Jinhui Yang, Dianjun Li
A visible light-enabled photocatalyst-free radical trihalomethylation/cyano (or benzo[d]thiazol-2-yl) 1,4-migration/carbonylation reaction of 2-hydroxy-2-hex-5-enenitrile (or (benzo[d]thiazol-2-yl)-pent-4-enol) with CX3SO2Cl (X = F, Cl) is reported.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Reduction of sulfoxides catalyzed by the commercially available manganese complex MnBr(CO)5

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00204K, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Daniel Leal Lourenço, Ana Cristina Fernandes
A new methodology for the reduction of a wide variety of aliphatic and aromatic sulfoxides catalyzed by the air-stable, cheap and commercially available manganese catalyst MnBr(CO)5 with excellent yields is...
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization

Org. Biomol. Chem., 2024, 22,2978-2984
DOI: 10.1039/D4OB00027G, Paper
Abdulrahman M. Alazemi, Mohammad H. BinSabt, Hamad M. Al-Matar, Alan L. Balch, Mona A. Shalaby
Linked thieno[2,3-b]thiophene-fullerene Dimers.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Asymmetric synthesis of the fully functionalized six-membered A-ring of siphonol A

Org. Biomol. Chem., 2024, 22,2958-2962
DOI: 10.1039/D4OB00104D, Communication
Ying Sun, Shaomin Fu, Bo Liu
The asymmetric synthesis of the fully functionalized six-membered A-ring of siphonol A is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Recent advances in spirocyclization of maleimides via transition-metal catalyzed C–H activation

Org. Biomol. Chem., 2024, 22,2916-2947
DOI: 10.1039/D3OB01904G, Review Article
Swadhin Swaraj Acharya, Sagarika Patra, Rojalini Maharana, Manaswini Dash, Liza Mama Barad, Bibhuti Bhusan Parida
In recent years, the maleimide scaffold has received a great deal of attention in C–H activation.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Expanding the scope of the successive ring expansion strategy for macrocycle and medium-sized ring synthesis: unreactive and reactive lactams

Org. Biomol. Chem., 2024, 22,2985-2991
DOI: 10.1039/D4OB00285G, Paper
Open Access
Zhongzhen Yang, Marion Arnoux, Damien Hazelard, Owen R. Hughes, Joe Nabarro, Adrian C. Whitwood, Martin A. Fascione, Christopher D. Spicer, Philippe Compain, William P. Unsworth
New Successive Ring Expansion (SuRE) protocols are described for use on unreactive lactams, as well as iminosugar derived lactams.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Photogenerated chlorine radicals activate C(sp3)–H bonds of alkylbenzenes to access quinazolinones

Org. Biomol. Chem., 2024, 22,2968-2973
DOI: 10.1039/D4OB00129J, Communication
Xin-Yao Pan, Gui-Xia Sun, Fang-Ping Huang, Wen-Jian Qin, Qing-Hu Teng, Kai Wang
An Fe-catalyzed visible-light induced condensation of alkylbenzenes with anthranilamides has been developed.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Synthesis of alkynyl sulfides via base-promoted nucleophilic ring-opening of α-bromostyrene sulfonium salt

Org. Biomol. Chem., 2024, 22,2953-2957
DOI: 10.1039/D4OB00203B, Communication
Junqi Zhou, Ziyu Wang, Hanmiao Xu, Mengke Su, Jian Wen
An effective method for synthesizing various alkynyl sulfides has been developed using tetramethylene sulfoxide as a sulfur source through base-promoted nucleophilic ring-opening reactions.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Identification and quantification of local antiaromaticity in polycyclic aromatic hydrocarbons (PAHs) based on the magnetic criterion

Org. Biomol. Chem., 2024, 22,3035-3044
DOI: 10.1039/D4OB00114A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Erich Kleinpeter, Andreas Koch
The ring current effect of entirely and partly (anti)aromatic PCHs are calculated and employed to visualize, qualify and quantify existing (anti)aromaticity, especially to decide unequivocally between PAHs and PAAHs.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Palladium-catalyzed (Z)-selective allylation of phosphine oxides with vinylethylene carbonates to construct phosphorus allyl alcohols

Org. Biomol. Chem., 2024, 22,3068-3072
DOI: 10.1039/D4OB00354C, Paper
Hua Huang, Yi-Qi Wu, Lu-Yao Han, Lu Jiang, Zhuo-Zhuo Zhang, Xiang Zhang, Bo Han, Wei Huang, Jun-Long Li
A general and efficient method for the highly stereoselective synthesis of (Z)-phosphorus allylalcohols has been developed using the Pd-catalyzed cross-coupling of phosphine oxides with vinylethylene carbonates.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Additive-free oxychlorination of unsaturated C–C bonds with tert-butyl hypochlorite and water

Org. Biomol. Chem., 2024, 22,3080-3085
DOI: 10.1039/D4OB00003J, Paper
Duyi Shen, Chaoyue Sun, Yun Han, Zhen Luo, Ting Ren, Qin Zhang, Wenting Huang, Jianru Xie, Ying Jia, Mianran Chao
A facile oxychlorination of various alkynes and alkenes with tBuOCl as an alternative chlorine source and H2O as a green oxygen source.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Iron-catalyzed selective construction of indole derivatives via oxidative C(sp3)–H functionalization of indolin-2-ones

Org. Biomol. Chem., 2024, 22,3073-3079
DOI: 10.1039/D4OB00133H, Paper
Wei Chen, Lang-Qi Wen, Xiao-Bing Lu, Hui Zhou
We have developed a clean and efficient iron-catalyzed C(sp3)–H functionalization of indolin-2-ones for the chemodivergent synthesis of value-added indole derivatives, including isatins, and symmetrical and non-symmetrical isoindigos.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Photochromism of phenazine-2,3-diol derivatives through excited state intermolecular proton transfer based on keto–enol tautomerization

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00387J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kazuki Ohira, Kumpei Kozuka, Naoki Kaneda, Masahiro Yamamoto, Keiichi Imato, Yousuke Ooyama
It was found that phenazine-2,3-diol derivatives exhibit photochromism through excited state intermolecular proton transfer (ESInterPT) processes based on keto–enol tautomerization.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

BBr3-mediated dearomative spirocyclization of biaryl ynones: facile access to spiro[5.5]dienones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00274A, Communication
Gaurav Jaiswal, Subhas Chandra Pan
BBr3 mediated dearomative spirocyclization of biaryl ynones has been reported for the direct synthesis of spiro[5.5]dienones with a tri-substituted double bond.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Nickel-catalysed regio- and stereoselective hydrocyanation of alkynoates and its mechanistic insights proposed by DFT calculations

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00380B, Communication
Shigeru Arai, Koichi Nakazawa, Xiao-Fei Yang, Masaya Nakajima, Shinji Harada, Atsushi Nishida
This work discloses the origin of regio- and stereoselectivity of hydrocyanation of alkynoates.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Exploring the mechanism of the reductive amination of acetophenones via Borch approach: the role of the acid catalyst

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00160E, Paper
João Pedro Albuquerque Souza, Amanda Krauskopf Jacobs, Leandro Piovan, Renan Borsoi Campos
The energetic viability of several mechanistic variations of the reductive amination of acetophenones via the Borch approach was reexamined through density functional theory calculations. The crucial involvement of the acid...
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

3-Halo-5,6-dihydro-4H-1,2-oxazine N-oxides as synthetic equivalents of unsaturated nitrile oxides in the [3 + 2]-cycloaddition with arynes: synthesis of substituted 3-vinyl-1,2-benzisoxazoles

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00391H, Communication
Alexander A. Lukoyanov, Svetlana A. Aksenova, Andrey A. Tabolin, Alexey Yu. Sukhorukov
3-Halo-1,2-oxazine N-oxide derivatives act as surrogates of vinyl nitrile oxides in tandem [3 + 2]-cycloaddition/[3 + 2]-cyclofragmentation with arynes leading to benzisoxazoles.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Cu(OTf)2/HFIP catalyzed regioselective cycloisomerization of indole-C3-functionalized alkynols to carbazoles

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00421C, Communication
Srinivasarao Yaragorla, Tabassum Khan, Sayonika Chakroborty
We report here a simple and atom economic cycloisomerization reaction of indole-tethered alkynols for constructing diverse carbazoles via 1,2-alkly migration using Cu(OTf)2/HFIP as the excellent promoter system.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Dess–Martin periodinane-mediated oxidation of the primary alcohol of cytidine into a carboxylic acid

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00240G, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Alexandra R. E. Serre, Vibhu Jha, Adèle Rivault, Leif A. Eriksson, Goreti Ribeiro Morais, Robert A. Falconer
Herein we describe the first example of the conversion of the primary alcohol of cytidine into a carboxylic acid by use of the Dess–Martin periodinane oxidising agent.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Photoproperties of Favipiravir and their 6-Substituted Analogues: Fluorescence Controlled through Halogen Substitution and Tautomerism

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00397G, Paper
Angel H Romero, Marcos Couto, Ivan E Romero, German Fuentes, Matías N. Möller
Herein, we showed the photophysical properties of the favipiravir and their 6-substituted analogues. Also, we interpreted the origin of the fluorescence of the favipiravir and their 6-substituted analogues as function...
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Synthesis of Deuteriodifluoromethylthiolated Isocoumarins-1- imines and Isocoumarins Enabled by Multi-Component Reagents System (MCRS)

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00328D, Communication
Xuemin Li, Haofeng Shi, Jiaxin He, Jialiang Wu, Fengxia Sun, Yunfei Du
The combining use of BnSCF2D, mCPBA and Tf2O serves as an efficient multi-component reagents system (MCRS) for the synthesis of deuteriodifluoromethylthiolated isocoumarins-1-imines/isocoumarins via intramolecular cyclization/ deuteriodifluoromethylthiolation of 2-alkynylbenzamide/2-alkynylbenzoates. The approach...
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

TEMPO/PhI(OAc)2 promotes the α-aminophosphinoylation of alcohols with amines and H-phosphine oxides in aqueous medium

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00302K, Communication
Qiang Huang, Xin Jin, Lvjia Wu, Jiangdong Li, Qianlu Xing, Xianheng Wang, Changkuo Zhao
The aminophosphinoylation of alcohols with amines and H-phosphine oxides provides an efficient and mild approach to access various α-aminoalkylphosphine oxides in good yields with good tolerance of functional groups using H2O as a clean solvent.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

An FeCl3-catalyzed three-component reaction for the synthesis of β-(1,2,3-triazolyl)-ketones using DMF as a one-carbon source

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00207E, Communication
Ruilin Fang, Lei Zheng, Xuyang Chen, Can Wang, Yunfeng Chen
FeCl3-catalyzed oxidative condensation of NH-1,2,3-triazoles and aryl methyl ketones and DMF has been reported.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

New Generation of Highly Reactive Allylborating Agents For Cu(I)-Catalyzed Allylation of Chiral Sulfinylimines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00291A, Paper
Michael S. Alexeev, Tatyana V. Strelkova, Michail M. Ilyin, Jr., Yulia V. Nelyubina, Ivan A. Bespalov, Michael Medvedev, Victor N Khrustalev, Nikolai Kuznetsov
The implementation of selective catalytic processes with highly active reagents is an attractive strategy that meets modern principles of sustainable development of chemistry. In the current study, we for the...
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Regioselective synthesis of 4-arylamino-1,2-naphthoquinones in eutectogel as a confined reaction medium using LED light

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00140K, Communication
R. Vara Prasad, Yogendra Kumar, R. Arun Kumar, Tohira Banoo, Subbiah Nagarajan
The use of a simple carbohydrate-derived eutectogel facilitating a LED-light-induced regioselective synthesis of 4-arylamino-1,2-naphthoquinones in good yields is reported.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Tetrabutylammonium decatungstate (TBADT), a compelling and trailblazing catalyst for visible-light-induced organic photocatalysis

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00171K, Review Article
Bor-Cherng Hong, Ranadheer Reddy Indurmuddam
This review summarizes recent developments in visible-light or near-visible-light photocatalysis reactions enabled by the TBADT catalyst.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Base- and sulfur-promoted oxidative lactonization of chalcone-acetate Michael adducts: access to pyran-2-ones

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00479E, Communication
Cao Nguyen Nguyen, Duc Toan Nguyen, Ha An Tran, Dinh Hung Mac, Thi Thu Tram Nguyen, Pascal Retailleau, Thanh Binh Nguyen
A cost-effective, practical, straightforward and scalable synthesis of α-pyrones via base- and sulfur-promoted annulation of phenylacetates and chalcones is reported.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

K2CO3-Mediated (3+3-1) Annulation of 1,3-Acetonedicarboxylates with 2-Fluoro-1-nitroarenes: Synthesis of Indoles

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00488D, Paper
Meng-Yang Chang, Chin-Huey Ho, Hsing-Yin Chen
The K2CO3-mediated one-pot reaction of 1,3-acetonedicarboxylates with 2 equiv. of substituted 2-fluoro-1-nitrobenzenes has been developed to synthesize various 2,3-dicarboxylate indoles via a tandem (3 + 3 − 1) annulation pathway....
The content of this RSS Feed (c) The Royal Society of Chemistry




ed

Getting Started with CSS Shapes: Wrapping content around custom paths

Using CSS Shapes we can create experiences that we have never been able to create on the web before.




ed

Empathy is the need of the hour

Demand for proactive customer services




ed

Wanted: A booster dose for airlines

As vaccination numbers increase, airlines and the government look for the middle path to revive the beleagured travel sector




ed

Year-end blues for beleagued airlines

The results of IndiGo and SpiceJet hold clues to the mid-term future of the country’s airline industry




ed

Reskilling of airline workforce needed

Industry grapples with skilling/reskilling employees right from pilots to ground handling staff whose skills may be redundant




ed

A380: How Airbus forecast misfired

Sinks $25 billion in the process




ed

As India builds its newest airports, it needs robust, fail-proof SOPs

A near air mishap on Bengaluru skies that put the lives of 430 people in danger shows safety risk norms require constant refresh




ed

Unmanned Flying Objects, at your service

From capturing candid shots at in a wedding, to spraying pesticides to surveillance of places where access is difficult for humans, drones as a service (DaaS) is the next big thing




ed

Short-haul flights redefining air travel

 While the growth of international flights remains muted, demand for narrow-bodied aircraft witnesses a renewed surge 




ed

Insolvency of aircraft operator: default remedies.

India should adopt Cape Town Convention as part of the domestic legal framework.




ed

Do pilots really need to be good at maths?

Being accurate with calculations can never go wrong




ed

Mishandled baggage rates spike

Transfer bags continue to account for most mishandled bags




ed

Redressing flaws: IndiGo needs to tweak its way

How the human element can help the airline appease passengers and employees




ed

Airlines’ performance metrics may need an overhaul

It may be time to revisit RASK, CASK metrics; benchmarking based on cost drivers can boost an airline’s performance




ed

Zomato users can now schedule order 2 days in advance

Zomato’s order scheduling is available at more than 35,000 restaurants across 30 cities




ed

Microsoft Teams to launch threaded conversations, combined chats and channels features

The app has also added other changes in the interface so users can organise their chats better




ed

Google brings AI-powered Gmail writing tools and ‘Polish’ to more users

Google is expanding its generative AI-powered email drafting tools to more users with new and enhanced shortcuts on web and mobile




ed

As Bitcoin nears all-time high, WazirX investors are in pain over their locked crypto funds

Bitcoin was inching towards its March 2024 all-time-high price of $73,750.07, but those whose crypto assets are locked with the WazirX exchange after a cyberattack are anxious about missing out




ed

OpenAI CEO Sam Altman says next big AI model launch pushed due to compute challenges

Altman also said that the next update for DALL-E was still in the works with no release date yet