Ammonium Ylide Mediated Cyclization Reactions
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DOI: 10.1002/ajoc.201800091
Abstract: The use of readily accessible ammonium ylides for (asymmetric) transformations, especially cyclization reactions, has received considerable attention over the past two decades. A variety of highly enantioselective protocols to facilitate annulation reactions have recently been… read more here.
Keywords: ammonium ylide; cyclization reactions; ylide mediated; mediated cyclization ... See more keywords
Wittig Ylide Mediated Decomposition of N-Sulfonylhydrazones to Sulfinates.
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DOI: 10.1021/acs.orglett.7b03953
Abstract: N-Sulfonylhydrazones generate sulfinates selectively when treated with a stabilized Wittig ylide in a polar aprotic solvent at elevated temperature. The transition metal and base free decomposition method is applicable to N-sulfonylhydrazones generated from a number… read more here.
Keywords: wittig ylide; mediated decomposition; sulfonylhydrazones sulfinates; decomposition sulfonylhydrazones ... See more keywords
A review on the sulfur ylide-mediated Corey–Chaykovsky reaction: a powerful approach to natural product synthesis
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DOI: 10.1039/d5ra04921k
Abstract: The Corey–Chaykovsky reaction is an efficient transformation in organic syntheses, which enables the construction of 3-membered cores via a sulfur ylide-mediated process. The reaction enables a simple yet versatile strategy to access cyclopropanes, epoxides and… read more here.
Keywords: reaction; ylide mediated; synthesis; corey chaykovsky ... See more keywords
Imidazolium ylide mediated tandem Knoevenagel–Michael–O-cyclization sequence for the synthesis of multi-substituted 4,5-dihydrofurans
Sign Up to like & getrecommendations! Published in 2020 at "Synthetic Communications"
DOI: 10.1080/00397911.2020.1821226
Abstract: Abstract The stereoselective syntheses of novel trans-5-aroyl-2,4-diaryl-4,5-dihydrofuran-3-carbonitriles have been achieved via a one-pot, three-component tandem protocol involving aroyl acetonitriles, aromatic aldehydes, and imidazolium ylide in the presence of Et3N. Graphical Abstract read more here.
Keywords: mediated tandem; michael cyclization; tandem knoevenagel; imidazolium ylide ... See more keywords