Metal-Assisted Terpenoid Synthesis. IV. Nickel-Catalyzed Reactions of 1,3-Dienes with Ketones. A New Synthesis of Long Chain Tertiary Alcohols
作者:Susumu Akutagawa
DOI:10.1246/bcsj.49.3646
日期:1976.12
reactions of 1,3-butadiene with ketones were carried out with a nickel-ligand system to give stereoselectively tertiary alcohols having a (2Z, 5E)-2,5,7-octatrienyl- or a (2Z, 6E, 9E)-2,6,9,11-dodecatetraenyl chain. Similar reactions of isoprene gave a mixture of terpenic and apoterpenic alcohols. A possible reaction scheme was discussed in terms of an insertion of the carbonyl group to a σ-allyl end of
1,3-丁二烯与酮的催化反应用镍-配体系统进行,得到立体选择性叔醇,具有 (2Z, 5E)-2,5,7-辛三烯基-或 (2Z, 6E, 9E)- 2,6,9,11-十二碳四烯基链。异戊二烯的类似反应得到萜烯醇和萜烯醇的混合物。根据将羰基插入辛二烯基或十二碳三烯基镍配合物的 σ-烯丙基端,讨论了可能的反应方案。