Organocatalytic aldol approach for protecting group-free asymmetric synthesis of (7Rʹ)-parabenzlactone, (-)-hinokinin, (-)-yatein, (-)-bursehernin, (-)-pluviatolide, (+)-isostegane and allied lignans

Org. Biomol. Chem., 2023, Accepted Manuscript
DOI: 10.1039/D3OB01446K, Paper
Mainak Bera, Biswajit Sen, Sujay Garai, Saumen Hajra
A short and efficient catalytic asymmetric protection-free synthesis of dibenzylbutyrolactone lignans such as (-)-hinokinin, (-)-yatein, (-)-brusehernin, (-)-pluviatolide, and their 7’-hydroxylignans - (7’R)-parabenzlactone, (7’R)-hydroxyyatein, (7’R)-hydroxybrusehernin, and (7’R)-hydroxy pluviatolide, respectively are accomplished....
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Correction: Turn-on fluorogenic sensors based on an anthraquinone signaling unit for the detection of Zn(II) and Cd(II) ions

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB90142D, Correction
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Chawanakorn Kongsak, Natthiti Chiangraeng, Puracheth Rithchumpon, Piyarat Nimmanpipug, Puttinan Meepowpan, Thawatchai Tuntulani, Praput Thavornyutikarn
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A Macrocyclic Fluorescent Probe for the Detection of Citrate

Org. Biomol. Chem., 2023, Accepted Manuscript
DOI: 10.1039/D3OB01442H, Paper
Stephen Michael Butler, Maria Hountondji, Stuart N. Berry, Jian Tan, Laurence Macia, Katrina A. Jolliffe
We present a macrocyclic fluorescent probe for the detection of citrate. This receptor binds citrate through hydrogen-bonding interactions in aqueous solutions, and exhibits a turn-on in fluorescence in response to...
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Visible Light Induced Regioselective C-3 Thiocyanation of Imidazoheterocycles Through Naphthalimide Dye Based Photoredox Catalysis

Org. Biomol. Chem., 2023, Accepted Manuscript
DOI: 10.1039/D3OB01100C, Communication
Pallavi Saha, Rohit Kumar, samarpita Das, Toufik Ansari, Arindam Indra, Deepak K Sharma
A visible light induced C-3 thiocyanation of imidazo[1,2-a]pyridines by using naphthalimide based photo redox catalyst has been reported. Tolerance of electron withdrawing and donating groups on different positions of imidazo[1,2-a]pyridine...
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One-pot furan synthesis through diethylzinc-mediated coupling reaction between two α-bromocarbonyl compounds

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01521A, Communication
Ryo Hikima, Aika Takeshima, Taichi Kano
Polysubstituted furans were synthesized in one-pot through the Et2Zn-mediated coupling reaction between dibromoketones and monobromo carbonyl compounds and the subsequent β-elimination with bromoacetyl bromide.
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Rhodium(II)-catalyzed synthesis of 2-aminoquinoline derivatives from 2-quinolones and N-sulfonyl-1,2,3-triazoles

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB00971H, Communication
Nilesh M. Kahar, Pankaj P. Jadhav, Sudam G. Dawande
An efficient and facile rhodium(II) catalyzed denitrogenative method for the synthesis of 2-aminoquinoline derivatives from 2-quinolones and N-sulfonyl-1,2,3-triazoles has been described.
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β-Peptides incorporating polyhydroxylated cyclohexane β-amino acid: synthesis and conformational study

Org. Biomol. Chem., 2023, Accepted Manuscript
DOI: 10.1039/D3OB00906H, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
David Reza, Rosalino Balo, Jose Manuel Otero, Ai M Fletcher, Rebeca Garcia Fandino, Víctor M. Sánchez-Pedregal, Stephen G. Davies, Ramon J J. Estevez, Juan Carlos Estévez Cabanas
We describe the synthesis of trihydroxylated cyclohexane β-amino acids from (–)-shikimic acid, in their cis and trans configuration, and the incorporation of the trans isomer into a trans-2- aminocyclohexanecarboxylic acid...
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Reductive coupling of nitroarenes with carboxylic acids – a direct route to amide synthesis

Org. Biomol. Chem., 2023, Accepted Manuscript
DOI: 10.1039/D3OB01452E, Communication
Mikhail A. Losev, Andrey Kozlov, Vladimir B. Kharitonov, Oleg I Afanasyev, Fedor S. Kliuev, Natalya Khrushcheva, Ludmila A. Bulygina, Dmitry A Loginov, Denis Chusov
A straightforward way for amides preparation from nitroarenes was developed. Carbon monoxide served as an atom-efficient and selective reducing agent for the reductive coupling of carboxylic acids with nitro group...
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Substituted anilides from chitin-based 3-acetamido-furfural

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01461D, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Cornelis H. M. van der Loo, J. P. Kaniraj, Ting Wang, J. O. P. Broekman, Mark L. G. Borst, Kees Pouwer, André Heeres, Peter J. Deuss, Adriaan J. Minnaard
A Diels–Alder/aromatization cascade reaction with chitin-based furans is a powerful tool for the synthesis of nitrogen-containing aromatics.
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Harnessing the power of a photoinitiated thiol–ene “click” reaction for the efficient synthesis of S-lipidated collagen model peptide amphiphiles

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01469J, Paper
Clouie Justin Aguilar, Makhdoom Sarwar, Sujay Prabakar, Wenkai Zhang, Paul W. R. Harris, Margaret A. Brimble, Iman Kavianinia
Thiolation by 2-iminothiolane followed by photoinitiated thiol–ene "click" reaction enabled the formation of S-lipidated collagen peptide amphiphiles. This methodology holds significant potential for the generation of functional peptide amphiphiles.
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