Pyrolysis of N-allyl enaminoesters is a general method for the stereoselective synthesis of 3-azabicyclo[3.2.0] heptenones ; the reaction involves a [2+2] intramolecular cycloaddition of an intermediate iminoketene.
N-烯丙基烯
氨基酯的热解是3-
氮杂双环[3.2.0]庚烯酮的立体选择性合成的一般方法。该反应涉及中间体亚
氨基
乙烯酮的[2 + 2]分子内环加成。