Cerium(III) chloride promoted addition of organometallic reagents to (−)-menthone—preparation of chiral neomenthyl derivatives †Dedicated to Professor Dr. Karl-Heinz Thiele on the occasion of his 70th birthday. †
作者:Stefan Panev、Vladimir Dimitrov
DOI:10.1016/s0957-4166(00)00087-2
日期:2000.4
The activation of (−)-menthone with anhydrous CeCl3 led to high yielding additions of different organometallic reagents. Products of exclusively equatorial-addition of the reagents were obtained; only PhMgBr yielded additionally ca. 5% of the axial-addition product.