120627-38-5Relevant articles and documents
Reaction of Polarized Ketene S,N-Acetals with Bromoacetaldehyde Diethyl Acetal: Synthesis of 1-Substituted 3-Acyl- and 3-Nitro-2-methylthiopyrroles and 1,2-Annulated 3-Acylpyrroles
Gupta, Akhilesh,Chakrasali, R. T.,Ila, H.,Junjappa, H.
, p. 141 - 142 (2007/10/02)
A regiospecific route for 1-substituted 3-acyl- and 3-nitro-2-methylthiopyrroles 3a-l and the corresponding 1,2-annulated 3-acylpyrroles 5a-c has been developed by reaction of acyl- and nitroketene S,N-acetals 1a-l and 4a-c with bromoacetaldehyde diethyl