反应详情

In the same manner as in the step 1 of Example 9, except that 2-chloro-5,6-diphenylpyrazine was used in place of 2-chloro-5,6-di-p-tolylpyrazine and 1-[3-(benzyloxy)phenyl]-2-(methylamino)ethane was used in place of 4-(methylamino)-1-butanol, the desired compound was prepared as a pale yellow crystal having a melting point of 78 to 78.5° C.