A facile and efficient [4 + 2] annulation reaction of sulfur ylides: access to N-fused benzimidazoles
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DOI: 10.1039/c8qo01133h
Abstract: The synthesis of N-fused benzimidazoles via sulfur ylides is first reported. The reaction system is facile and mild without a metal catalyst. read more here.
Keywords: facile efficient; sulfur ylides; reaction; efficient annulation ... See more keywords
An efficient [3+2] annulation for the asymmetric synthesis of densely-functionalized pyrrolidinones and γ-butenolides.
Sign Up to like & getrecommendations! Published in 2020 at "Chemical communications"
DOI: 10.1039/d0cc05188h
Abstract: Disclosed here is a new [3+2] annulation of siloxy alkynes that provides robust access to highly enantioenriched, densely-substituted pyrrolidinones and γ-butenolides, whose direct synthesis remains challenging. This process also represents a rare asymmetric synthesis of… read more here.
Keywords: annulation asymmetric; efficient annulation; asymmetric synthesis; synthesis ... See more keywords