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Direct Dehydrative Esterification of Alcohols and Carboxylic Acids with a Macroporous Polymeric Acid Catalyst

Maki Minakawa, Heeyoel Baek, Yoichi M. A. Yamada*, Jin Wook Han and Yasuhiro Uozumi*

*RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan, Institute for Molecular Science, Okazaki, Aichi 444-8787, Japan, Email: ymayamadariken.jp, uoims.ac.jp

M. Minakawa, H. Baek, Y. M. A. Yamada, J. W. Han, Y. Uozumi, Org. Lett., 2013, 15, 5798-5801.

DOI: 10.1021/ol4028495 (free Supporting Information)



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Abstract

A macroporous polymeric acid catalyst enables a direct esterification of carboxylic acids and alcohols at 50 to 80C without removal of water to give the corresponding esters with high yield. Flow esterification for the synthesis of biodiesel fuel was also achieved by using a column-packed macroporous acid catalyst under mild conditions.

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Key Words

esterification, acetic acid esters


ID: J54-Y2013