The reaction of organotitanium species, prepared by the desulfurizative
titanation of thioacetals using
(C
5
H
5
)
2
Ti[P(OEt)
3
]
2
, with alkynes gives conjugated dienes in good yields with high
stereoselectivity.
通过使用 (C 5 H 5 ) 2 Ti[P(OEt) 3 ] 2 对
硫代乙酸酯进行脱
硫钛化反应制备的
有机钛与
炔烃发生反应,生成的共轭二烯具有良好的产率和较高的立体选择性。