science and technology

Asymmetric total synthesis of humulane sesquiterpenoids alashanoids B, C, E, and F and 2,9-humuladien-6-ol-8-one

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00393D, Paper
Rasmita Barik, Samik Nanda
Naturally occurring sesquiterpenes having humulane frameworks are structurally intriguing and possess significant biological profiles.
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science and technology

Structural flexibility of favipiravir and its structural analogues in solutions: experimental and computational insight

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00404C, Paper
Tatiana P. Gerasimova, Almaz A. Zagidullin, Anastasiia N. Nikolaeva, Robert R. Fayzullin, Aliya M. Saitova, Vasili A. Miluykov, Stefan Grimme, Sergey A. Katsyuba
Keto-enol transformations of 6-R-3-hydroxy-2-pyrazinecarboxamides in solutions are accompanied by deprotonation of enol tautomers and the formation of corresponding anionic species. The key factors determining these processes have been identified.
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science and technology

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.
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science and technology

Total synthesis of diplofuranone A and diapolic acid A

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00433G, Communication
Dattatraya H. Dethe, Vimlesh Kumar, Nagabhushana C. Beeralingappa
The first and concise syntheses of the anticancer agent diplofuranone A and the fatty acid-derived metabolite diapolic acid A have been demonstrated using easily accessible and commercially available starting materials.
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science and technology

Stereoselective Synthesis of gem-Dihalopiperidines via Halo-Aza-Prins Cyclization Reaction: Access to Piperidin-4-ones and Pyridines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00338A, Paper
Anil Kumar Saikia, Surjya Kumar Bora, Subhamoy Biswas, Bipin Kumar Behera
An efficient methodology for the synthesis of 4,4-dihalopiperidine derivatives has been developed from N-(3-halobut-3-en-1-yl)-4-methylbenzenesulfonamide and aldehyde catalyzed by In(OTf)3 in excellent yields. The reaction involves an initial formation of six...
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science and technology

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...
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science and technology

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.
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science and technology

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.
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science and technology

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.
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science and technology

Vinylogous and stereoselective domino synthesis of pyrano[2,3-c]pyrroles from alkylidene meldrum's acids

Org. Biomol. Chem., 2024, 22,2948-2952
DOI: 10.1039/D4OB00233D, Communication
Mariia Savchuk, Giang Vo-Thanh, Sylvain Oudeyer, Hélène Beucher, Jean-François Brière
An expeditious diatereoselective synthesis of pyrano[2,3-c]pyrroles thanks to a domino Vinylogous aza-Michael-Aldol-Cyclocondensation (aza-VMAC) reaction to alkylidene Meldrum's acid derivatives.
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science and technology

2-Azabicyclo[3.2.1]octane scaffold: synthesis and applications

Org. Biomol. Chem., 2024, 22,2902-2915
DOI: 10.1039/D4OB00199K, Review Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Mariana Crespo Monteiro, João Rafael Vale, Filipa Siopa
This review focuses on the preparation and applications in total synthesis of 2-azabicyclo[3.2.1]octane structures, a class of natural and synthetic compounds with a range of biological activities.
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science and technology

Not exclusively the activity, but the sweet spot: a dehydrogenase point mutation synergistically boosts activity, substrate tolerance, thermal stability and yield

Org. Biomol. Chem., 2024, 22,3009-3018
DOI: 10.1039/D4OB00211C, Paper
Yu-Ke Cen, Lin Zhang, Yue Jiang, Xiang-Fu Meng, Yuan Li, Chao Xiang, Ya-Ping Xue, Yu-Guo Zheng
A single-point mutation of 7α-HSDH achieved the highest activity and synergistically improved substrate tolerance, thermal stability, cofactor affinity, and conversion rate.
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science and technology

Selective synthesis of an elusive C-functional bis-cyclam and study of its inhibition of the CXCR4 chemokine receptor

Org. Biomol. Chem., 2024, 22,3059-3067
DOI: 10.1039/D3OB02050A, Paper
Marie M. Le Roy, Sandra Claes, Nathalie Saffon-Merceron, Dominique Schols, Thibault Troadec, Raphaël Tripier
A rare example of C,C'-linked bis-cyclam has been synthesized with controlled manner in mild conditions thanks to the “bis-aminal” tool, and its good CXCR4-recognition properties could be demonstated in vitro.
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science and technology

Hydrosilylation of nitriles and tertiary amides using a zinc precursor

Org. Biomol. Chem., 2024, 22,3053-3058
DOI: 10.1039/D4OB00161C, Paper
Ravi Kumar, Rohan Kumar Meher, Himadri Karmakar, Tarun K. Panda
A competent and selective hydrosilylation of nitriles and tertiary amides catalyzed by zinc bis(hexamethyldisilazide) [Zn(HMDS)2] under solvent-free and mild conditions are reported, as a sustainable and desirable alternative to existing methods.
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science and technology

Albumin–ruthenium catalyst conjugate for bio-orthogonal uncaging of alloc group

Org. Biomol. Chem., 2024, 22,2992-3000
DOI: 10.1039/D4OB00234B, Paper
Kimberly S. Taylor, Madison M. McMonagle, Schaelee C. Guy, Ariana M. Human-McKinnon, Shumpei Asamizu, Heidi J. Fletcher, Bradley W. Davis, Takashi L. Suyama
An organo–ruthenium catalyst conjugated to albumin efficiently unmasks an alloc group under physiologically relevant conditions.
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science and technology

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.
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science and technology

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.
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science and technology

Unusual immunosuppressive pyridine-containing bisnor- (c23), tetranor- (c21) and pentanor- (c20) sesterterpenoids from Tibetan Leucosceptrum canum

Org. Biomol. Chem., 2024, 22,3019-3024
DOI: 10.1039/D4OB00334A, Paper
Man Li, Ling Feng, Han Zhang, Yan-Chun Liu, Ting-Ting Zhou, Yu Zheng, Kai Guo, Yan Liu, Sheng-Hong Li
Six unusual pyridine-containing bisnor- (C23), tetranor- (C21) and pentanor- (C20) sesterterpenoids were obtained from the medicinal plant Leucosceptrum canum of Tibetan origin. The immunosuppressive activities of these sesterterpenoids were observed.
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science and technology

A phosphamide nucleotide analog: a substrate for polymerase synthesis of DNA

Org. Biomol. Chem., 2024, 22,2963-2967
DOI: 10.1039/D4OB00089G, Communication
Jiong Meng, Qiaqia Guo, Xiaona Zhai, Song Yang, Shuai Wang, Pengcheng Wang, Debin Ji
A phosphamide nucleotide analog (dNTPγNH2) exhibited higher stability than dNTPs and can be recognized by DNA polymerases in PCR.
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science and technology

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.
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science and technology

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.
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science and technology

A pyridine-N-oxide catenane for cation recognition

Org. Biomol. Chem., 2024, 22,3001-3008
DOI: 10.1039/D4OB00176A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Sean R. Barlow, Nathan R. Halcovitch, Nicholas H. Evans
A pyridine-N-oxide containing [2]catenane may be reversibly protonated, as well as bind lithium cations more strongly than sodium cations.
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science and technology

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.
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science and technology

Stereoselective synthesis of (R)- and (S)-1,2-diazetidine-3-carboxylic acid derivatives for peptidomimetics

Org. Biomol. Chem., 2024, 22,2974-2977
DOI: 10.1039/D4OB00278D, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Matthew Nutter, Henry Stone, Michael Shipman, Stefan Roesner
Stereoselective synthesis of both enantiomers of orthogonally protected 1,2-diazetidine-3-carboxylic acid (aAze) from homochiral glycidol and its application in peptidomimetics.
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science and technology

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.
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science and technology

Selective enhancement of (6–4) photoproduct formation in dithymine dinucleotides driven by specific sugar puckering

Org. Biomol. Chem., 2024, 22,3025-3034
DOI: 10.1039/D4OB00279B, Paper
Jouda Jakhlal, Clément Denhez, Stéphanie Coantic-Castex, Agathe Martinez, Dominique Harakat, Thierry Douki, Dominique Guillaume, Pascale Clivio
Evidence is presented that (6–4) photoproduct formation between two thymine residues in dinucleotide analogues is significantly and specifically enhanced when the 5''- and 3''-end sugar puckering are mainly north and south, respectively.
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science and technology

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.
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science and technology

Direct access to pyrrole anhydrides via oxidative self-coupling of pyrrole carboxaldehydes

Org. Biomol. Chem., 2024, 22,3045-3052
DOI: 10.1039/D4OB00052H, Paper
Surabhi Panday, Tapas Maity, Pratibha Bhatti, Joydev K. Laha
An elegant synthesis of pyrrole-2-carboxylic acid anhydrides from pyrrole-2-carboxaldehydes using TBAI as a catalyst and tert-butyl hydroperoxide (TBHP) as an oxidant is described herein.
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science and technology

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.
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science and technology

Charge-transfer inclusion complex formation of the tropylium cation with prism[6]arenes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00423J, Communication
Guojiao Zhang, Channi Cheng, Zhengxiang Li, Dezhi Zhao, Chengyou Han
We report that charge-transfer (CT) inclusion complexes were formed between prism[6]arenes and tropylium cation. Additionally, the CT complex showed Cl/Ag+ responsiveness which can be easily monitored by the naked eye.
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science and technology

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.
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science and technology

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.
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science and technology

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...
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science and technology

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.
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science and technology

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.
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science and technology

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.
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science and technology

Electro-oxidative three-component cascade coupling of isocyanides with elemental sulfur and amines for the synthesis of 2-aminobenzothiazoles

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00432A, Paper
Peng-Fei Huang, Jia-Le Fu, Ying Peng, Jian-Hong Fan, Long-Jin Zhong, Kewen Tang, Yu Liu
2-Aminobenzothiazoles are commonly encountered in various functional compounds. Herein, we disclose an electro-oxidative three-component reaction for the effective synthesis of 2-aminobenzothiazoles under mild conditions, utilizing non-toxic and abundant elemental sulfur...
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science and technology

Revisiting Biginelli-like Reactions: Solvent Effects, Mechanisms, Biological Applications and Correction of Several Literature Reports

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00272E, Paper
Brenno A. D. Neto, Pedro Beck, Arthur Leitão, Yasmin Santana, Jose R. Correa, Carime Vitória da Silva Rodrigues, Daniel Machado, Guilherme Matos, Luciana Machado Ramos, Claudia Cristina Gatto, Carlos Kleber Z. Andrade, Sarah Caldas
This study critically reevaluates reported Biginelli-like reactions using a Kamlet-Abboud-Taft-based solvent effect model. Surprisingly, structural misassignments were discovered in certain multicomponent reactions, leading to the identification of pseudo three-component derivatives...
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science and technology

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...
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science and technology

Design, synthesis, biological evaluation and molecular docking studies of quinoline-anthranilic acid hybrids as potent anti-inflammatory drugs

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00040D, Paper
Sidra Siddique, Khalid Hussain, Naureen Shehzadi, Muhammad Arshad, Muhammad Nadeem Arshad, Sadaf Iftikhar, Farhat Saghir, Ayisha Shaukat, Muhammad Sarfraz, Nisar Ahmed
Despite the high global prevalence, rheumatoid arthritis lacks a satisfactory treatment.
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science and technology

Discovery of selective monosaccharide receptors via dynamic combinatorial chemistry

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00015C, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Miguel Alena-Rodriguez, Marcos Fernandez-Villamarin, Ignacio Alfonso, Paula M. Mendes
An effective workflow to discover selective saccharide receptors by combining dynamic combinatorial chemistry with isothermal titration calorimetry and NMR.
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science and technology

Recent developments in the enzymatic modifications of steroid scaffolds

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00327F, Review Article
Open Access
Huibin Wang, Ikuro Abe
This review highlights the recent advancements in the enzymatic modifications of steroid scaffolds, emphasizing enzymatic hydroxylation, ketoreduction, dehydrogenation, enzymatic cascade reactions, and other modifications.
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science and technology

Isothiocyanates: Happy-Go-Lucky Reagents in Organic Synthesis

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00281D, Review Article
Bubul Das, Anjali Dahiya, Bhisma K Patel
: Owing to their unique structural features, isothiocyanates (ITCs) are a class of highly useful and inimitable reagents as the N=C=S group serves both as electrophile and nucleophile in organic...
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science and technology

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...
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science and technology

Natural products from human microbiome: an emergent frontier in organic synthesis and drug discovery

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00236A, Review Article
Goverdhan Mehta, Saumitra Sengupta, Srihari Pabbaraja
Often referred to as “second genome”, human microbiome is at the epicenter of a complex inter-habitat biochemical network, such as the “gut-brain axis”, which have emerged as significant determinant of...
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science and technology

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.
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science and technology

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.
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Design, synthesis, and biological application of A–D–A-type boranil fluorescent dyes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00297K, Paper
Wei Luo, Yiling Li, Liang Wang, Yanhua Qin, Qiao Cheng, Guochang Hu, Chaoyi Yao, Xiangzhi Song
Acceptor–donor–acceptor boranil fluorescent dyes, CSU-BF-R (R = H, CH3, and OCH3), were developed with strong red fluorescence and large Stokes shifts. CSU-BF-OCH3 could selectively sense intracellular hypochlorous acid in living cells and zebrafish.
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Measuring local pH at interfaces from molecular tumbling: A concept for designing EPR-active pH-sensitive labels and probes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00167B, Paper
Open Access
Maxim A. Voinov, Nicholas Nunn, Roshan Rana, Atli Davidsson, Alex I. Smirnov, Tatyana I. Smirnova
EPR-based local pH measurements based on changes in rotational dynamics of spin-bearing molecules upon protonation.
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Facile synthesis of tetrahydroquinoline containing dithiocarbamate derivatives via one-pot sequential multicomponent reaction

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00490F, Communication
SIDDHARTHA KUMAR SENAPATI, Anit Pal, Animesh Das
An efficient sequential multi-component method for the synthesis of tertrahydroquinoline containing dithiocarbamate has been developed. This reaction involved a boronic acid-catalyzed reduction of quinoline to tertrahydroquinoline, followed by nucleophilic addition...
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