作者:Xiaoyong Zhang、Kazushi Mashima、Kinko Koyano、Noboru Sayo、Hidenori Kumobayashi、Susumu Akutagawa、Hidemasa Takaya
DOI:10.1016/0040-4039(91)80499-v
日期:1991.12
diphosphine ligands, (R)-(−)- and (S)-(+)-2,2′-bis(dicyclohexyl-phosphino)-1,1′-binaphthyl [(R)-(−)- and (S)-(+)-Cy-BINAP], (R)-(+)- and (S)-(−)-2,2′-bis(diphenylphosphino)-5,5′,-6,6′,7,7′,8,8′-octahydro-1,1′-binaphthyl [(R)-(+)- and (S)-(−)-H8-BINAP], and (R)-(−)- and (S)-(+)-2,2′-bis(dicyclohexyl-phosphino)-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-binaphthyl [(R)-(−)- and (S)-(+)-Cy-H8-BINAP], have been synthesized
三对新的轴向不对称二膦配体(R)-(-)-和(S)-(+)-2,2'-双(二环己基-膦基)-1,1'-联萘基[[R)-( -)-和(S)-(+)-Cy-BINAP],(R)-(+)-和(S)-(-)-2,2'-双(二苯基膦基)-5,5',- 6,6',7,7',8,8'-八氢-1,1'-联萘基[[R)-(+)-和(S)-(-)-H 8 -BINAP]和(R )-(-)-和(S)-(+)-2,2'-双(二环己基-膦基)-5,5',6,6',7,7',8,8'-八氢-1合成了1,1'-萘基[(R)-(-)-和(S)-(+)-Cy-H 8 -BINAP],并根据X射线分析确定了它们的绝对构型和CD光谱。