化学
苯基溴化镁
钯
镍
催化作用
溴化物
另一个
瓦尔登反转
高分子化学
有机化学
药物化学
试剂
作者
Christophe Moineau,V. Bolitt,Denis Sinou
标识
DOI:10.1016/s0022-328x(98)00679-2
摘要
Palladium complex PdCl2(dppf) and nickel complex NiCl2(dppe) catalyze cross-coupling of unsaturated aryloxy carbohydrates with phenylmagnesium bromide. The nickel catalyst leads to inversion of configuration at the anomeric center while only retention occurs in the case of the palladium catalyst. This quite unusal retention is probably due to the influence of the ring oxygen atom
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