Allylic alkylation of racemic 1-arylprop-2-enyl acetates
[ArCH(OAc)CHCH
2
] with the sodium enolate of dimethyl
methylmalonate in the presence of a palladium catalyst coordinated with
(R)-2-diphenylphosphino-2â²-methoxy-1,1â²-binaphthyl
[(R)-MeO-MOP] proceeds with high branch selectivity (90%) to give
chiral products [ArC*H(Nu)CHCH
2
] of up to 87% ee.
外消旋 1-芳基丙-2-烯基
乙酸酯的烯丙基烷基化
[ArCH(OAc)CH2CH2
2
] 与二甲基烯醇
钠
丙二酸甲酯在
钯催化剂存在下配位
(R)-2-
二苯基膦-2-甲氧基-1,1-联
萘
[(R)-MeO-MOP] 以高支链选择性 (90%) 进行,得到
手性产物 [ArC*H(Nu)CHCH
2
] 高达 87% ee。