A new method for the preparation of 2,3-cycloalkeno-5,6-cycloalkeno-4H-pyran-4-ones
作者:Fan Xu、Xueqin Cao、Zhengbai Cao、Lei Zou
DOI:10.1016/s0040-4039(00)01841-4
日期:2000.12
6-bicyclopenteno-4H-pyran-4-one and 1,2-dihydronaphtho[3,4-b]cyclopenteno[1,2-e]-4H-pyran-4-one, were synthesized conveniently by the reaction of a cyclic ketone enamine and diacylchloride. This reaction allows a new method for preparation of these compounds, which may be the precursors for the synthesis of some useful heterocycles.
几个2,3,3-cycloalkeno-5,6-cycloalkeno-4 H -pyran-4-ones,例如2,3,5,6-bicyclopenteno-4 H -pyran -4-one和1,2-dihydronaphtho [3 ,4- b ]环戊烯并[1,2- ë ] -4- ħ吡喃-4-酮中,通过环状酮烯胺和diacylchloride的反应方便地合成。该反应为制备这些化合物提供了一种新方法,该方法可能是合成某些有用杂环的前体。