carboxylate 1 is an excellent chemoselective reagent for unprecedented alpha-regioselective Barbier-type reactions. It constitutes the first titanocene(III) able to tolerate epoxides and readily reduced carbonyl compounds, such as aromatic and alpha,beta-unsaturated aldehydes.
钛新世
羧酸盐1是出色的
化学选择性试剂,可进行前所未有的α-区域选择性Barbier型反应。它构成了第一个能够耐受
环氧化物和易于还原的羰基化合物(例如芳族和α,β-不饱和醛)的
钛茂(III)。