Selective Esterification of Aliphatic Carboxylic Acids in the Presence of Aromatic Carboxylic Acids Over Monoammonium Salt of 12‐Tungstophosphoric Acid.

Autor:	Giri, B.Y., Prabhavathi Devi, B.L. A., Gangadhar, K.N., Narasimha Rao, K., Lingaiah, N., Sai Prasad, P.S., Prasad, R.B. N.
Předmět:	SALTS PHOSPHORIC acid CATALYSTS ALIPHATIC compounds CARBOXYLIC acids AROMATIC compounds ALCOHOLS (Chemical class)
Zdroj:	Synthetic Communications; 2006, Vol. 36 Issue 1, p7-11, 5p, 2 Charts
Abstrakt:	Monoammonium salt of 12-tungstophosphoric acid [(NH 4 )H 2 PW 12 O 40 ] was found to be a practical and useful heterogeneous catalyst for an efficient and selective esterification of aliphatic carboxylic acids with alcohols in the presence of aromatic carboxylic acids. The heteropoly acid–based heterogeneous catalyst has the advantages of a simple workup procedure, water insolubility, and good activity. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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