AgAsF6 as safe alternative to AgClO4 for generating cationic zirconocene species: Utilities in lewis acid-promoted selective CC bond forming reactions
作者:Keisuke Suzuki、Takayuki Hasegawa、Takahiro Imai、Hideki Maeta、Shigeru Ohba
DOI:10.1016/0040-4020(94)01135-m
日期:1995.4
synthesis, AgAsF6 proved to be an efficient catalyst that serves as a safe alternative to AgClO4. Scope and limitation is discussed on this new catalyst in the processes including (1) alkyl/alkenyl transfer reaction from organozirconocene chloride to aldehyde, (2) two- and four-carbon homologation of aldehyde, (3) dual synthetic methods of 1,3-dienes from aldehydes/ketones via 1,3-bimetallic species
为了产生可用于有机合成的阳离子锆茂金属物种,AgAsF 6被证明是一种有效的催化剂,可作为AgClO 4的安全替代品。讨论了这种新型催化剂在工艺上的范围和局限性,这些工艺包括:(1)从有机锆茂氯化物到醛的烷基/烯基转移反应;(2)醛的二碳和四碳同系化;(3)1,3的双重合成方法醛/酮通过1,3-双金属物种生成二烯二烯,以及(4)通过邻喹二甲烷物种生成三组分烷基化环加成。