期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 49, 页码 19965-19968出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja309076g
关键词
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资金
- NIH [R01 GM078240]
Chiral biphenols were found to catalyze the enantioselective asymmetric addition of aryl- or alkenylboronates to o-quinone methides. Substituted 2-styryl phenols were obtained in good yields (up to 95%) with high enantiomeric ratios (up to 98:2) in the presence of 10 mol % 3,3'-Br-2-BINOL. A two-step synthesis of (S)-4-methoxydalbergione in good yield and selectivity was achieved.
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