Catalyst-Free [2,3]-Sigmatropic Rearrangement Reactions of Photochemically Generated Ammonium Ylides

Author:

Li Fang,He Feifei,Koenigs Rene M.1ORCID

Affiliation:

1. RWTH Aachen University, Institute of Organic Chemistry

Abstract

The rearrangement reaction of ammonium ylides furnishes valuable α,α-disubstituted amino esters. In this work, we describe the visible-light photolysis reaction of aryldiazoacetates in the presence of tertiary amines that react via a free ammonium ylide in a sigmatropic rearrangement reaction to provide amino esters in moderate to very good yields (33 examples, up to 97% yield).

Funder

Deutsche Forschungsgemeinschaft

Publisher

Georg Thieme Verlag KG

Subject

Organic Chemistry,Catalysis

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