Rh(I) catalysed [2+2+2]-cyclotrimerisation of 1,6-diynes with monoynes in combination with stereospecific thermal or Ag(I) catalysed aldimine→(metallo) azomethine ylide→cycloaddition cascades affords rapid access to complex heterocyclic benzene derivatives in one-pot processes with the generation 5 new bonds, 4 stereocentres and 3 rings.
Rh(I)催化1,6-二炔与单炔的[2 + 2 + 2]-环三聚,与立体有择的热或Ag(I)催化的
亚胺[→
金属]甲
亚胺叶立德→环加成级联反应提供了对复杂杂环苯的快速访问一锅法衍生的衍
生物,带有5个新键,4个立体中心和3个环。