反应详情

light yellow crystalline solid. MS (ESI): 305.2 (MH+). Prepared from 4,4-dimethyl-cyclopentane-1,2-dione (synthesis described in: J. Chem. Soc., 121, 1922, p523), [2-(5-Methyl-1-phenyl-1H-pyrazol-4-yl)-2-oxo-ethyl]-phosphonic acid dimethyl ester, hydrazine monohydrate.