TiCl4 Mediated LiBH4 reduction of β-ketophosphine oxides: a high stereoselective route to the synthesis of anti-β-hydroxyphosphine oxides
作者:Giuseppe Bartoli、Marcella Bosco、Letizia Sambri、Enrico Marcantoni
DOI:10.1016/0040-4039(96)01601-2
日期:1996.10
The reduction of an α-alkyl-β-ketophosphine oxide with LiBH4 in presence of a strong chelating agent, such as TiCl4, gives the corresponding β-hydroxyphosphine oxide in high yields and with high anti-diastereoselectivity independently from the size of both the α- and β-alkyl chains.
在强螯合剂(例如TiCl 4)存在下,用LiBH 4还原α-烷基-β-酮膦氧化物,可以独立于两者的大小,以高收率和高抗-非对映选择性生成相应的β-羟基膦氧化物。α-和β-烷基链。