RAPID CARBOALUMINATION OF ALKYNES IN THE PRESENCE OF WATER
RAPID CARBOALUMINATION OF ALKYNES IN THE PRESENCE OF WATER
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DOI：
10.1002/anie.199310681
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发表时间：
1993-07-01
期刊：
影响因子：
--
通讯作者：
LIM, S
中科院分区：
文献类型：
--
作者：
WIPF, P;LIM, S
在-23 ℃下，当加入化学计量的水时，在几分钟内，通过Zr催化的甲基或乙基铝化，可以从末端炔生成烯基丙二烷。烯烃可以由烯基丙氨烷立体选择性地合成。反应（a）即使在-70 ℃也是快速的。在有机金属化合物的其他反应中也观察到的“水效应”尚未被理解。
Within minutes at -23-degrees-C, alkenylalanes can be generated from terminal alkynes by Zr-catalyzed methyl- or ethylalumination, when stoichiometric amounts of water are added. Alkenes can be synthesized stereoselectively from the alkenylalanes. Reaction (a) is fast even at - 70-degrees-C. The ''water effect'', also observed in other reactions with organometallic compounds, is not yet understood.