Unexpectedly, cyclopentenone derivatives were obtained in moderate yields together with formylsubstituted dienes and unsaturated lactones. This reaction offers a new method for the catalytic synthesis of cyclopentenones. A mechanism for the cyclic carbonylation of enynes is also discussed.
使用
铑催化剂研究了 1-
丁烯-3-炔衍
生物对加氢甲酰化的反应性。出乎意料的是,
环戊烯酮衍
生物以中等产率与甲酰基取代的二烯和不饱和内酯一起获得。该反应为
环戊烯酮的催化合成提供了一种新方法。还讨论了烯炔的环状羰基化机制。