Patent ID: 6340539
Filing Date: 2002-01-22
Classification: C07D,H01M,Y02E

Abstract:
A method for manufacturing dilithium salt dihydrate of 2,5-dimercapto-1,3,4-thiadiazole represented by the formula (1), which method comprises adding 2,5-dimercapto-1,3,4-thiadiazole with a lithiation agent, adjusting a molar ratio of lithium in a lithiation agent to 1.8 to 3 relative to 2,5-dimercapto-1,3,4-thiadiazole in a solvent, and allowing the 2,5-dimercapto-1,3,4-thiadiazole to react with the lithiation agent at 0 to 120Â° C. to obtain the dilithium salt dihydrate of 2,5-dimercapto-1,3,4-thiadiazole represented by the formula (1).