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Diphenylammonium triflate (DPAT): efficient catalyst for esterification of carboxylic acids and for transesterification of carboxylic esters with nearly equimolar amounts of alcohols

✍ Scribed by Kazunori Wakasugi; Tomonori Misaki; Kayo Yamada; Yoo Tanabe

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 171 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)00821-2

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✦ Synopsis

Diphenylammonium tri¯ate (DPAT) eciently catalyzed esteri®cation between equimolar amounts of carboxylic acids and alcohols in good to excellent yields under mild reaction conditions. Transesteri®cation of carboxylic esters with a slight excess of alcohols also proceeded using DPAT as catalyst with TMSCl as a co-catalyst.

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