Asymmetric synthesis of enantiomerically enriched atropisomeric amides by desymmetrisation of N,N-dialkylmesitamides †
作者:Jonathan Clayden、Paul Johnson、Jennifer H. Pink
DOI:10.1039/b008678i
日期:——
Lithiation and silylation of N,N-dialkylmesitamides using chiral lithium amide bases leads to enantiomerically enriched atropisomeric amides (up to 89% ee) by desymmetrisation of the enantiotopic methyl groups.