反应详情

In a manner similar to that of Reference Example 3, 10.5 parts of 2-amino-5,6-dimethoxy-3,4-dihydro-1(2H)-naphthalenone hydrochloride is reacted with 10 volume parts of cyclobutanone. The procedure yields 8.2 parts of 2-cyclobutylamino-5,6-dimethoxy-3,4-dihydro-1(2H)-naphthalenone hydrochloride. Melting point: 146°-164° C (decomposition).