反应详情

The title compound, white solid, m.p. 123-125° C. and MS: m/e=308.2 (M+H+) was prepared in accordance with the general method of example 48a from l-(3,5-dimethyl-pyrazol-1-yl)-2,2-diphenyl-ethanone and 5-ethyl-[1,3,4]oxadiazol-2-ylamine. The 1-(3,5-dimethyl-pyrazol-1-yl)-2,2-diphenyl-ethanone, white solid, m.p. 91-92° C. and MS: m/e=291.2 (M+H+) used in the above reaction was prepared in accordance with the general method of example 48c from 2,2-diphenylacetic acid hydrazide [Chem. Zentralblatt. 100, 2414(1929)] and acetylacetone.