A general solution for unstable boronic acids: slow-release cross-coupling from air-stable MIDA boronates.
A general solution for unstable boronic acids: slow-release cross-coupling from air-stable MIDA boronates.
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DOI:
10.1021/ja901416p
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发表时间:
2009-05-27
影响因子:
15
通讯作者:
Burke MD
中科院分区:
文献类型:
--
作者:
Knapp DM;Gillis EP;Burke MD
Many boronic acids, including 2-heterocyclic, vinyl, and cyclopropyl derivatives, are inherently unstable, which can limit their benchtop storage and/or efficient cross-coupling. We herein report the first general solution to this problem: in situslow releaseof unstable boronic acids from the corresponding air-stable MIDA boronates. This remarkably general approach has transformed all three classes of these unstable boronic acids into shelf-stable and highly effective building blocks for cross-coupling with a wide range of aryl and heteroaryl chlorides.
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