How is methyl 2-((2-phenylethylidene)amino)benzoate (CAS: 68391-08-2) typically synthesized?

Methyl 2-((2-phenylethylidene)amino)benzoate is synthesized via amidation of 2-phenylethenamine with methyl benzoate. The reaction is typically conducted in the presence of a catalytic amount of a base such as triethylamine. The process yields a mixture of regioisomers, with the desired product being the major component. The yield can be improved by optimizing reaction conditions, such as temperature and solvent choice.