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Reactions of thioalkynes with diarylketenes via [3+2]-annulation versus benzannulation using Au and P(C6F5)3 catalysts
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Reactions of thioalkynes with diarylketenes via [3+2]-annulation versus benzannulation using Au and P(C6F5)3 catalysts

Sayaji Arjun More, Vikas Ashokrao Sadaphal, Tung-Chun Kuo, Mu-Jeng Cheng 和 Rai-Shung Liu
Chemical Communications
2022
DOI: https://doi.org/10.1039/d2cc03613d
PMID: 35993289

摘要

Catalysis Electronic Optical and Magnetic Materials Ceramics and Composites Chemistry (all) Surfaces Coatings and Films Metals and Alloys Materials Chemistry
Two catalytic annulations of non-symmetric diarylketenes with thioalkynes are described using gold and phosphine catalysts respectively. We employed α-aryldiazo ketones to generate gold-π-ketenes, ultimately yielding azulen-1-one derivatives. With the same reactants, we utilized P(C 6 F 5 ) 3 to increase the yields of 1-naphthols, notably with a complete regioselectivity.

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