Synthese d'arylacetyl-3 carbethoxy ou acetyl-4 methyl-5 pyrazoles et de pyrazolo(3,4d)pyridazines
作者:B. Chantegrel、D. Hartmann、S. Gelin
DOI:10.1016/0040-4020(77)80430-4
日期:1977.1
acetyl 5-methyl(2H)furanones 2-substituted by arylmethine, alkenylmethine, arylaminomethine produces new 4,5-dihydro 3-methyl 4-oxo pyrazolo(3,4d)pyridazines or 3,4-dimethyl pyrazolo(3,4d)pyridazines. The preparation of 3-arylacetyl 4-carbethoxy or acetyl 5-methyl pyrazoles is described.
与4-甲乙氧基或乙酰基5-甲基(2 H)呋喃酮肼取代并与肼反应,生成新的4,5-二氢3-甲基4-氧代吡唑并(3,4 d)哒嗪或3 ,4-二甲基吡唑并(3,4 d)哒嗪。描述了3-芳基乙酰基4-乙氧基或乙酰基5-甲基吡唑的制备。