The copper(I)-catalyzed synthetic method for the preparation of 2-alkynylbenzofurans from gem-dihaloolefins has been established using DABCO and TBAF·3H2O as a cocatalyst. This methodology relies on a simple reaction system and inexpensive Cu salts as catalysts. It is generally applicable to gem-dihaloolefins and phenylacetylenes.
利用
DABCO 和 T
BAF-3H2O 作为共
催化剂,建立了从宝石二卤
烯烃制备 2-炔基
苯并呋喃的
铜(I)催化合成方法。该方法依赖于简单的反应体系和廉价的
铜盐作为
催化剂。它一般适用于宝石-二卤代
烯烃和
苯乙炔。