triethylborane promotes double amphiphilic allylation of nitriles with 2-methylenepropane-1,3-diol to serve as a 1,3-dipolar equivalent, providing pyrrolizidine derivatives. The resulting bicyclic compounds can be used for efficient synthesis of important pyrrolizidine alkaloids.
Pd催化剂和三乙基
硼烷的组合可促进腈与2-亚甲基
丙烷-1,3
-二醇的双亲两性烯丙基化反应,以用作1,3-偶极当量,从而提供
吡咯并
吡啶衍生物。所得的
双环化合物可用于有效合成重要的
吡咯并核苷
生物碱。