New One-Pot Synthesis of Polysubstituted Benzofurans and Benzo-1,4-dioxines


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It has been revealed that the copper(II) triflate catalyzed reaction of ethyl-2-diazo-3-oxobutanoate with phenols followed by cyclization of the intermediate enol in the presence of polyphosphoric acid is a simple and efficient method of synthesis of polysubstituted benzofurans. The use of pyrocatechol leads to the corresponding substituted 1,4-benzodioxine-2-carboxylates as major products.

作者简介

G. Sakhabutdinova

Ufa State Petroleum Technological University

Email: sultanova_rm@anrb.ru
俄罗斯联邦, Ufa, Bashkortostan, 450105

G. Raskil’dina

Ufa State Petroleum Technological University

Email: sultanova_rm@anrb.ru
俄罗斯联邦, Ufa, Bashkortostan, 450105

S. Zlotskii

Ufa State Petroleum Technological University

Email: sultanova_rm@anrb.ru
俄罗斯联邦, Ufa, Bashkortostan, 450105

R. Sultanova

Ufa State Petroleum Technological University; Ufa Institute of Chemistry

编辑信件的主要联系方式.
Email: sultanova_rm@anrb.ru
俄罗斯联邦, Ufa, Bashkortostan, 450105; Ufa, Bashkortostan, 450054

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