an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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.
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




an

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




an

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




an

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




an

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...
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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...
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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.
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




an

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...
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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...
The content of this RSS Feed (c) The Royal Society of Chemistry




an

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




an

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




an

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.
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




an

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.
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




an

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.
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




an

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




an

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




an

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




an

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




an

Piloting through the pandemic

How AirAsia India innovated with a distance-learning training programme for its cockpit crew




an

As the price of aviation turbine fuel soars, airlines’ finances spin out of control




an

Becoming Atmanirbhar

India needs to produce its own commercial aircraft to forge ahead




an

‘The challenge was in getting the aircraft’s custom clearance’

Private jet operator JetSetGo’s CEO Kanika Tekriwal describes the intricacies of directly importing and leasing an aircraft




an

Indian aviation: A study in paradox

Accurate reading of the market is critical




an

Where an aircraft goes to rest




an

Pandemic: Contactless technology on an overdrive

As demand for travel rises, industry must meet it while ensuring passenger safety




an

Omicron: Airlines on a wing and prayer

Over 3,000 flights were cancelled on the eve of Christmas and cancellations are expected to double as New Year approaches




an

Demand for more flight schools soars

Pilot shortage is hurting airline operations in India, with the industry expected to need at least 1,000 to 1,500 pilots every year




an

Robust flight plans can keep airlines afloat




an

Lost your baggage in transit? You might find it in Alabama

Every year, nearly 25 million bags are lost in transit out of 4.3 billion 




an

Breaking down airline engineering and maintenance

An aircraft has three critical phases; induction, in-service and redelivery




an

Profits offer hope of soft landing to Spicejet

Apart from swift settlement with former owners, the airline urgently needs an immediate infusion of cash




an

From geopolitics strife to a war of words between two aviation giants

Qatar Airways and Airbus lock horns over safety concerns




an

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




an

Another tough year for airlines

Ukraine-Russia conflict to result in the steep escalation of aircraft leasing charges




an

First-ever gravity-defying plane swap set for April 24

Two pilots will swap planes mid-air




an

Sustainable aviation fuels could be a game-changer

But adopting it in Indian aviation could take time




an

Electric aircraft set to transform urban mobility 

Investors are pouring in billions of dollars into eVTOL project (electric vertical take offs and landing aircraft) to ferry passengers