5-hexadiene complex of cationic ruthenium was obtained by regiospecific C4 homologation at the internal carbon atom of the non-conjugated diene. This stoichiometric CC bonding was extended to the catalytic codimerization and stepwise oligomerization of butadiene with 1,5-hexadiene or 1-hexene.
当的Cp★的RuCl(η 4 -
丁二烯)(1 ;其中Cp★η 5 -C 5我5)在等于或低于环境温度下用在
三氟甲磺酸银(的AgOTf)存在过量的
1,5-己二烯的后处理,通过在非共轭二烯的内部碳原子上的区域特异性C4同系物获得阳离子
钌的2-(3'-
丁烯基)-
1,5-己二烯络合物。这种
化学计量的CC键扩展到
丁二烯与1,5-
己二烯或
1-己烯的催化共聚和逐步低聚。