反应详情

Obtained using the procedure described in section c of Example 2, starting with 9.8 g (0.082 mole) of 3-amino-2-pyrazinecarbonitrile and the above solution of 2-(4-methoxyphenoxy)acetamidine in absolute ethanol. Refluxing time: 2 hours. Yld: 5.5 g (24%), m.p. 238°-240° C. (ethanol/N,N-dimethylformamide).

1. customObtained
2. temperatureRefluxing time
3. custom2 hours