发明授权
US3642811A Process for the preparation of 3-amino-4-bromo-1 2 5-thiadiazole 失效
制备3-氨基-4-溴-1,2,5-噻唑的方法

Process for the preparation of 3-amino-4-bromo-1 2 5-thiadiazole
摘要:
3-AMINO-4-BROMO-1,2,5-THIADIAZOLE IS PREPARED BY REACTING AN ALKALIMETAL SALT OF 3-AMINO-1,2,5-THIADIAZOLE-(4)CARBOXYLIC ACID IN AQUEOUS SUSPENSION WITH BROMINE AT A TEMPERATURE BELOW 65*C.
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