b

Rh(III)-catalysed C-H annulation of cis-stilbene acids with 2-diazo-1,3-diketones: A facile access to 6,7-dihydrobenzofuran-4(5H)-one and α-pyrone scaffolds

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00151F, Paper
Shankaraiah Nagula, Mary Sravani Galla, Nandini B. Kale, Akshay Kumawat, Darshana Bora
An efficient Rh(III)-catalysed C-H functionalization, tandem annulation of cis-stilbene acids using 2-diazo-1,3-diketones was devised. The protocol has solely afforded 6,7-dihydrobenzofuran-4(5H)-ones using alicyclic diazocarbonyls via decarbonylation and α-pyrones with aliphatic diazo...
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b

The synthesis of alk-2-ynl Weinreb amides via Pd/Cu-catalysed oxidative carbonylation of terminal alkynes

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00290C, Paper
Bharati Mourya, Sandip T. Gadge, Bhalchandra M. Bhanage
Synthesis of alk-2-ynl-Weinreb amides via Pd-catalyzed oxidative carbonylation of terminal alkynes and N,O-dimethylhydroxylamine hydrochloride at room temperature under low CO/O2 pressure is reported for the first time.
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b

Synthesis of Asp-based lactam cyclic peptides using an amide-bonded diaminodiacid to prevent aspartimide formation

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00472H, Communication
Wen-Jie Li, Jun-You Chen, Hui-Xia Zhu, Yi-Ming Li, Yang Xu
A diaminodiacid (DADA) containing an amide bond can be used in Fmoc solid-phase peptide synthesis (SPPS) of an Asp-based lactam cyclic peptide with no aspartimide formation.
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b

DFT investigation of the DDQ-catalytic mechanism for constructing C–O bonds

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00346B, Paper
Xiu-Fang Zheng, Da-Gang Zhou, Li-Jun Yang
The DDQ-catalytic mechanisms for constructing C–O bonds via H2O and CH3OH as oxygen sources have been investigated with DFT.
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b

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.
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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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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b

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...
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b

N-Functionalization of beta-aminophosphonates; Cytotoxic effect of the new derivatives

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00243A, Paper
György Keglevich, Petra Regina Varga, Emőke Dinnyési, Zsuzsanna Szalai, Szilvia Bősze, Rita Oláhné Szabó, Laszlo Drahos, Konstantin Karaghiosoff
Beta-Aminophosponates obtained by the Michael addition of primary amines to the double bond of diethyl vinylphosphonate proved to be suitable starting materials (amine components) in the Kabachnik–Fields reaction with formaldehyde...
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b

Sustainable preparation of 2-acylbenzothiazoles under the cooperation of ionic liquids and microwave irradiation

Org. Biomol. Chem., 2024, Advance Article
DOI: 10.1039/D4OB00315B, Paper
Shoushun Wang, Mengjie Liu, Yiyuan Yue, Xiude Hu, Yalin Zhang, Guodong Shen, Ruiguo Dong, Lilong Shi, Bing Yu, Xianqiang Huang
A series of 2-acylbenzothiazole derivatives were sustainably synthesized for the first time under the cooperation of ionic liquids and microwave irradiation, metal- and extra-additives-free conditions.
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b

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.
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b

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.
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b

Visible light-driven photocatalytic sulfonative oxidation of benzyl secondary amines

Org. Biomol. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4OB00348A, Paper
Yong-Xiang Lü, Xinqian Wang, Ying-Ming Pan, Keyume Ablajan
A method for the α-oxidation and sulfonation of benzyl secondary amines was developed utilizing Ir(III) or Eosin Y as the photocatalyst in the presence of O2 as a green oxidant....
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b

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....
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