Title of article :
P-Chirogenic phosphonium salts: preparation and use in Rh-catalyzed asymmetric hydrogenation of enamides
Author/Authors :
Danjo، نويسنده , , Hiroshi and Sasaki، نويسنده , , Wataru and Miyazaki، نويسنده , , Takehiro and Imamoto، نويسنده , , Tsuneo، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2003
Pages :
3
From page :
3467
To page :
3469
Abstract :
P-Chirogenic trialkylphosphonium salts were prepared from the corresponding free phosphines by treatment with a strong acid (HBF4 or HOTf). No racemization of the phosphonium salts occurred in methanol or water even at considerably high temperature. The salts were conveniently used in rhodium-catalyzed asymmetric hydrogenation of enamides.
Journal title :
Tetrahedron Letters
Serial Year :
2003
Journal title :
Tetrahedron Letters
Record number :
1661864
Link To Document :
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