申请人:Montchamp Jean-Luc
公开号:US20130331594A1
公开(公告)日:2013-12-12
Shown is the preparation and subsequent elaboration of P-chiral compounds that can be used as a building block for many P-chiral ligands used, for example, in asymmetric catalytic reactions. Specifically, a synthesis is shown for RP(O)(OR*)CH
2
OH, with R=H, Ph, aryl, alkyl, and R*=menthol (and other chiral alcohol-derived moieties), especially HP(O)(OMen)CH
2
OH (Men=L-menthol). This versatile building block is easily synthesized via reaction of inexpensive starting materials, H
3
PO
2
, menthol as the chiral auxiliary, and paraformaldehyde.
所示的是可以用作许多P-手性配体的构建单元的P-手性化合物的制备和随后的阐述,例如,在不对称催化反应中使用。具体来说,展示了RP(O)(OR*)CH2OH的合成,其中R=H,Ph,芳基,烷基,R*=薄荷醇(和其他手性醇衍生的基团),特别是HP(O)(OMen)CH2OH(Men=L-薄荷脑)。这种多功能的构建单元可以通过廉价的起始材料H3PO2,薄荷醇作为手性辅助剂和对甲醛的反应轻松合成。