L. P. Glushko, V. Samsonova, L. A. Yanovskaya
Jul 1, 1982
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Journal
Chemistry of Heterocyclic Compounds
Abstract
Abstract4,5-Epoxy-2-hexenoic acid esters add alcohols (in the presence of the alkoxide) and diazomethane to the double bond with retention of the oxirane ring; alkoxylation products and Δ2-pyrazolines are formed. The alkoxide anion and diazomethane add to the positively polarized β-carbon atom of the conjugated ether. The structures of the synthesized compounds were proved by their IR, UV, and PMR spectra.