化学
烯丙基重排
催化作用
产量(工程)
环己烯
铜
乙腈
对映选择合成
药物化学
选择性
六氟磷酸盐
有机化学
烯烃纤维
离子液体
冶金
材料科学
作者
Merritt B. Andrus,Xi Chen
出处
期刊:Tetrahedron
[Elsevier]
日期:1997-12-01
卷期号:53 (48): 16229-16240
被引量:70
标识
DOI:10.1016/s0040-4020(97)01011-9
摘要
Asymmetric allylic oxidation of cyclic olefins using a catalytic amount of copper(I) bisoxazoline complexes and new peresters was investigated to give allylic benzoate esters in high selectivity (∼80%ee), yield (70–80%), and at reasonable rates (5–7 d) at −20 °C in acetonitrile. Cyclohexene reacted with para-chloro tert-butylperbenzoate and 15 mol% diphenylbisoxazoline-copper(I) hexafluorophosphate to give benzoate product in 83% yield and 75% ee.
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