Aluminium Triflate [Al(OTf)3] as a Recyclable Catalyst for the Conversion of α-Hydroxyphosphonates, Alcohols and Phenols to Their Corresponding O-Silylated Products with Hexamethyldisilazane (HMDS)
摘要：
Al(OTf)3 as a recyclable catalyst conducts the efficient conversion of various types of α-hydroxyphosphonates to their corresponding α-trimethysilyloxyphosphonates with HMDS in the absence of solvent at room temperature. The general applicability of the catalyst under solvent-free conditions is demonstrated by applying it for the successful silylation of alcohols and phenols with HMDS in high yields.
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关键词：
alpha-hydroxyphosphonates solvent-free aluminium triflate alpha-acetyloxyphosphonates alcohols phenols DIETHYL TRIMETHYLSILYL PHOSPHITE HIGH-YIELDING PREPARATION SOLVENT-FREE CONDITIONS CARBONYL-COMPOUNDS ROOM-TEMPERATURE HIGHLY EFFICIENT KETONE SYNTHESIS TRIFLUOROMETHANESULFONATE TRIMETHYLSILYLOXYPHOSPHONATES MAGNESIUM
DOI：
10.1055/s-2005-861789
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