反应详情

A 4.00 gram (0.01 mole) portion of 1-(4-bromo-2-methylphenylaminocarbonyl)cyclopropanecarboxylic acid prepared in Example VIII (Compound 111) was recited in sequence with 80 milliliters of methanol (excess as solvent) and 2.77 grams (0.01 mole) of 1,3-dicyclohexylcarbodiimide, employing a 16-hour reaction period, in a manner similar to that described in Example XL to give 1.54 grams (0.005 mole) of methyl 1-(4-bromo-2-methylphenylaminocarbonyl)cyclopropanecarboxylate as a white powder having a melting point of 106° C.-108° C.

1. waitemploying a 16-hour
2. customreaction period