The method of high raw material cost, the reaction is difficult to control, and requires a large amount of methanol. Hydroxy lower thiobenzamide purity and yield rate, subject to several subsequent reaction after purification can be conducted.
The process of the above literature has a problem difficult to industrialization, the present invention provides a method of mild reaction, safe operation, inexpensive and readily available raw material prices, and higher purity and yield, low cost process for the sulfo benzamide obtained provides a novel method, the invention may be applied to large-scale industrial production method.
the other name of Febuxostat are Febuxostat Descyano Hydroxy Ethyl Ester CAS 161797-99-5
161797-99-5 CAS NO Febuxostat
Anti-gout CAS 161797-99-5
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