Technical Note:
1. Chiral ligand used in the preparation of hydrogenation catalysts with exceptionally high activity and selectivity.
Reference:
1. US Patent Application No.61/381 ,493.
Strem Chemicals INC.
(4S,5S)-(+)-4,5-双(二苯基膦基甲基)-2,2-二甲基- 1,3 -二氧
正十八烷基磷酸
苯基膦
?-7,7'-双[二(4-甲基苯)磷酰]-2,2',3,3'-四羟基-1,1'-螺二氢茚
溴化四甲基磷
三苄基膦
三正丁基膦