A catalytic enantiotopic-group-selective Suzuki reaction for the construction of chiral organoboronates.
A catalytic enantiotopic-group-selective Suzuki reaction for the construction of chiral organoboronates.
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DOI:
10.1021/ja500029w
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发表时间:
2014-05-07
影响因子:
15
通讯作者:
Morken JP
中科院分区:
文献类型:
--
作者:
Sun C;Potter B;Morken JP
Catalytic enantiotopic-group-selective cross-couplings of achiral geminal bis(pinacolboronates) provide a route for the construction of nonracemic chiral organoboronates. In the presence of a chiral monodentate taddol-derived phosphoramidite ligand, these reactions occur with high levels of asymmetric induction. Mechanistic experiments with chiral 10B-enriched geminal bis(boronates) suggest that the reaction occurs by a stereochemistry-determining transmetalation that occurs with inversion of configuration at carbon.
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