反应详情

The process of claim 10 wherein (a) methyl 2-amino-5-iodobenzoate is treated to form methyl 5-iodo-2-isothiocyanatobenzoate; (b) the methyl 5-iodo-2-isothiocyanatobenzoate is treated with n-propanol to form methyl 5-iodo-2((propoxy-thioxomethyl)-amino)benzoate, and (c) the methyl 5-iodo-2-((propoxythioxomethyl)-amino)benzoate is treated with propylamine.