Chiral base mediated transformation of cyclic 1,3-diketones
作者:Benjamin Butler、Thomas Schultz、Nigel S. Simpkins
DOI:10.1039/b606864b
日期:——
Treatment of certain 1,3-diketones with a chiral lithium amide base results in the formation of a non-racemic lithium mono-enolate; these intermediates can be transformed directly into chiral hydroxyketone products by reduction with DIBAL-H in high yield and with selectivities of up to 99% ee.