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À propos de : A Non-cryogenic Method for thePreparation of 2-(Indolyl) Borates, Silanes,and Silanols        

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  • A Non-cryogenic Method for thePreparation of 2-(Indolyl) Borates, Silanes,and Silanols
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  • 2-Indolyl borates are prepared via addition ofLDA to a mixture of N-Boc-indole and triisopropyl borateat 0−5 °C. Following acidic hydrolysis, the boronic acids areisolated by crystallization in good to excellent yield (73−99%). The method is quite general, tolerating a wide rangeof functional groups, and also provides access to 2-silylderivatives (80−91%).
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