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Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01234
Abstract: Heteroarylmethylenephosphorus ylides underwent Michael addition with alkynediones and alkynediesters, followed by intramolecular cyclization and elimination of triphenylphosphine oxide to afford 1,2-diaroylbenzenes and 1,2-alkoxycarbonylcarbo- and heterocycles. The analogous (4 + 2) cycloaddition led to the formation…
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Keywords:
phosphorus ylides;
ylides synthesis;
cycloaddition phosphorus;
formal cycloaddition ... See more keywords
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1
Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt03214g
Abstract: The partial structural change in cage-opened C60 derivatives by replacing a carbonyl group with a sulphide moiety significantly lowers the chemical stability of the corresponding phosphorus ylides. Thus they readily undergo in situ hydrolysis to…
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Keywords:
phosphorus ylides;
sulphide fullerene;
opened sulphide;
ylides cage ... See more keywords