METHOD FOR PRODUCTION OF 5-AMINO-1,2,4-TRIASOL-3-YLCARBOXYLIC ACID OR 5-AMINO-1,2,4-TRIASOL-3-YLACETIC ACID ESTERS Russian patent published in 2006 - IPC C07D249/14 

Abstract RU 2269521 C1

FIELD: organic chemistry, in particular production of biologically active compounds, pigments, and photographic materials.

SUBSTANCE: claimed method includes mixing of correspondent acid with aliphatic alcohol, addition of thionyl chloride and boiling of reaction mixture.

EFFECT: decreased alcohol consumption, its reusing without pre-drying; accelerated synthesis method without byproduct formation.

9 ex

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RU 2 269 521 C1

Authors

Chernyshev Viktor Mikhajlovich

Chernysheva Anna Vladimirovna

Rakitov Viktor Aleksandrovich

Dates

2006-02-10Published

2004-07-13Filed