作者:Herbert Lehmkuhl、Ingo Döring、Hans Nehl
DOI:10.1016/s0022-328x(00)89045-2
日期:1981.12
The dialk-2-enylzinc compounds I–IV add to ethylene, oct-1-ene and 3,3-dimethylcyclopropene to give the corresponding di-alk-4-enylzinc compounds VI–IX (88–98% yield), XV and XVI (90–94% yield), XVII (7%) and XXIIIa–XXVIa (91–98% yield). Additions to XIII are regioselective with Zn → C(1) while stereoselective cis-addition to XXII is observed.
二烯-2-烯基锌化合物I-IV加到乙烯,辛烯-1-烯和3,3-二甲基环丙烯中得到相应的二烯-4-烯基锌化合物VI-IX(88-98%收率),XV和XVI(90-94%产率),XVII(7%)和XXIIIa-XXVIa(91-98%产率)。XIII的加成物对Zn→C(1)具有区域选择性,而立体选择性顺式加成到XXII。