反应详情

According to the process described in Example 2.2, starting with 0.5 g of 2-chloro-4-methoxypyridine and 0.75 g of benzophenone hydrazone, 0.76 g of 2-[2-(diphenylmethylidene)hydrazino]-4-methoxypyridine is obtained in the form of a yellow solid, which is used without further purification in the following step.