Journal of heterocyclic chemistry

The reaction of N??carboalkoxy reissert analogs with carboxylic acids

FD Popp, FF Duarte, BC Uff

Index: Popp, Frank D.; Duarte, Frederick F.; Uff, Barrie C. Journal of Heterocyclic Chemistry, 1987 , vol. 24, p. 1353 - 1355

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Citation Number: 7

Abstract

Abstract The reaction of N-carboalkoxy Reissert analogs in the presence of carboxylic acids yields the corresponding ester and heterocyclic base. Use of methoxy substituted benzoic acids yields, instead of the ester, the respective anhydride. Amides can also be prepared in a similar fashion.

Phase managed organic synthesis 2. A new polymer assisted synthesis of acid anhydrides.

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Dehydration induced by intramolecular redox character of a stable allylidenetributylphosphorane

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Facile conversion of amides to the acids and/or anhydrides using dinitrogen tetroxide

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