One-pot synthesis of thioethers from indoles and p-quinone methides using thiourea as a sulfur source

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01312J, Communication
Pradeep Kumar, Deepanshi Saxena, Rahul Maitra, Sidharth Chopra, T. Narender
A simple and efficient protocol has been developed to access thioethers by reacting indoles with p-quinone methides using thiourea as a sulfur source.
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Relative stereochemical determination of the C61–C83 fragment of symbiodinolide using a stereodivergent synthetic approach

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01420G, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Hiroyoshi Takamura, Kosuke Hattori, Takumi Ohashi, Taichi Otsu, Isao Kadota
Stereodivergent synthesis of the C61–C74 and C69–C83 fragments of symbiodinolide elucidated the relative configuration of its C61–C83 fragment.
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Rhodium-catalyzed C–H carboxymethylation of anilines with vinylene carbonate

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB00931A, Paper
Qiong Liu, Zhaolong Ma, Jing Zhang, Xu-Qin Li
We established a Rh(III) catalyzed C–H carboxymethylation strategy for anilines with vinylene carbonate. This protocol does not require external oxidants. It proceeded smoothly with good functional group tolerance and moderate to good yields.
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Palladium-catalyzed [4 + 2] cycloaddition of 2-methylidenetrimethylene carbonate or methylene cyclic carbamate with sulfamate-derived cyclic imines

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01361H, Communication
Li Sun, Jiyu Li, Yafei Wu, Ying Li, Junqi Chen, Xiaoye Xia, Chunhao Yuan, Hongchao Guo, Biming Mao
A Pd-catalyzed [4+2] cycloaddition of 2-methylidenetrimethylene carbonate or methylene cyclic carbamate with sulfamate-derived cyclic imines has been successfully developed to afford oxazine or hydropyrimidine derivatives.
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(Aminoalkyl)diphenylphosphine sulfides: synthesis and application as building blocks in the design of multidentate ligands for cytotoxic Pd(II) complexes

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01309J, Paper
Aleksandr V. Konovalov, Svetlana G. Churusova, Diana V. Aleksanyan, Ekaterina Yu. Rybalkina, Svetlana A. Aksenova, Alexander S. Peregudov, Zinaida S. Klemenkova, Vladimir A. Kozlov
The facile approaches to α-(aminoalkyl)diphenylphosphine sulfides are devised based on simple transformations of readily available precursors. The compounds obtained are used as building blocks for the production of cytotoxic Pd(II) complexes.
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Phosphine-catalysed transformations of ortho- and para-quinone methides

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01276J, Review Article
Open Access Open Access
Aitor Maestro, Mercedes Zurro
A powerful and straightforward way to access a variety of oxa-heterocycles and N-heterocycles: the phosphine-catalysed transformations of o-QM, p-QM and aza-o-QM.
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Sequential annulation and isomerisation reaction of 3-acylmethylidene oxindoles with Huisgen zwitterions and synthesis of 5-(3-oxindolyl)oxazoles

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01199B, Paper
Feixue Xue, Chang-Jiang Yang, Tong Tang, Zhengjie He
A one-pot synthesis of 5-(3-oxindolyl)oxazoles has been developed by a sequential annulation/isomerization strategy.
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Visible-light-induced halocyclization of 2-alkynylthioanisoles with simple alkyl halides towards 3-halobenzo[b]thiophenes without an external photocatalyst

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB00860F, Paper
Fen-Dou Wang, Chunmiao Wang, Min Wang, Han Yan, Jin Jiang, Pinhua Li
A new strategy for the preparation of 3-halobenzo[b]thiophenes via a photo-driven halocyclization/demethylation of 2-alkynylthioanisoles with simple alkyl halides was developed.
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Efficient, multi-hundred-gram scale access to E3 ubiquitin ligase ligands for degrader development

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB00983A, Paper
Mark S. Cooper, Mark C. Norley, Simon Armitage, Joel O. Cresser-Brown, Anthony K. Edmonds, Sean Goggins, Jonathan P. Hopewell, Burhan Karadogan, Kevin A. Knights, Toby J. Nash, Catherine S. Oakes, William J. O'Neill, Simon J. Pridmore, Hannah J. Maple, Graham P. Marsh
Supporting degrader discovery programs in scale and scope: facile access to multi-hundred-gram quantities of the common E3 ligase ligands.
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Strengthened cooperativity of DNA-based cyclic hydrogen-bonded rosettes by subtle functionalization

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01391J, Paper
Open Access Open Access
David Almacellas, Célia Fonseca Guerra, Jordi Poater
Cooperative effects cause extra stabilization of hydrogen-bonded supramolecular systems.
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