Tetrahedron

Rapid access to benzo-annelated heterocycles, naphthalenes, and polysubstituted benzenes through a novel benzannulation reaction

I Cikotiene, R Buksnaitiene, R Sazinas

Index: Cikotiene, Inga; Buksnaitiene, Rita; Sazinas, Rokas Tetrahedron, 2011 , vol. 67, # 4 p. 706 - 717

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Citation Number: 13

Abstract

A novel, efficient, and powerful methyl mercaptoacetate triggered benzannulation reaction is described. The precursors are heterocyclic, aromatic or acyclic compounds bearing a carbonyl group at ortho position to an internal alkyne. The methodology does not require transition-metal catalysts and moreover it is general for the preparation of wide range of benzo-annelated heterocycles, naphthalenes and benzenes.

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