SYNTHESIS OF ATROPISOMERIC BIPHENYLBISPHOSPHINE, 6,2'-BIS(DIPHENYLPHOSPHINO)-3-METHOXY-2,4-DIMETHYL-4',6'-BIS(TRIFLUOROMETHYL)-1,1'-BIPHENYL (FUPMOP) AND ITS USE IN RUTHENIUM(II)-CATALYZED ASYMMETRIC HYDROGENATION OF A 3-OXO ESTER

被引:0
作者
MURATA, M [1 ]
MORIMOTO, T [1 ]
ACHIWA, K [1 ]
机构
[1] UNIV SHIZUOKA,SCH PHARMACEUT SCI,395 YADA,SHIZUOKA 422,JAPAN
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
New atropisomeric biphenylbisphosphines, 6,2'-bis(diphenylphosphino)-3-methoxy-2,4-dimethyl-4',6'-bis(tri-fluoromethyl)-1,1'-biphenyl (FUPMOP) and 2,2'-bis(diphenylphoshino)-4,6,4',6'-tetrakis(trifluoromethyl)-1,1'-biphenyl (BIFUP), have been prepared from 2-bromo-3,5-bis-(trifluoromethyl)nitrobenzene. The FUPMOP-ruthenium(II) complex proved to be an excellent catalyst for the asymmetric hydrogenation of methyl 3-oxobutanoate.
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页码:827 / 829
页数:3
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