PROCESS FOR PRODUCING 2-CYANO-5-HALOPYRIDINE
Application 2465/DEL/2004 published 2006-11-17, filed 2004-12-10
The present invention relates to a novel process for producing 2-cyano-5-halopyridine of formula (1)by nucleophilic dehalo-cyanation. The process includes diazotization and bromination reaction of 2-amino-5-halopyridine, followed by cyanation of 2-bromo-5-halopyridine with alkali cyanide along with copper cyanide in the presence of solvent to obtain 2-cyano-5-halopyridine of formula (1). Recovery and reuse of the solvents is also disclosed in the present invention.
Applicant
1)JUBILANT ORGANOSYS LIMITED
:Plot 1A, Sector 16 A, Noida-201 301, UP, INDIA Uttar Pradesh India
Inventor
1)PRAKASH ANAND 2)TYAGI ANIL KUMAR 3)AGARWAL ASHUTOSH
International Info
Classification: A61K31/277