Proof is presented for the three step ADD-ADD-EL pathway to thermal “dimers” of pyrazolidin-3-one-azomethinimines without a centre of symmetry, pyrazolidin-3-one acting as a special type of nucleophilic catalyst.
证明了通过三步ADD-ADD-EL途径可得到没有对称中心的
吡唑烷丁-3-
酮-偶
氮甲
亚胺的热“二聚体”,
吡唑烷丁-3-
酮是一种特殊的亲核
催化剂。