Non-Steroidal Antiinflammatory Agents Synthesis of Novel 2-Pyrazolyl-4(3H)-Quinazolinones
作者:A. M. Farghaly、I. Chaaban、M. A. Khalil、A. A. Bekhit
DOI:10.1002/ardp.19903231004
日期:——
[4‐(4,5‐dimethyl‐3‐oxo‐2‐phenyl‐2,3‐dihydro‐1H‐pyrazol‐4‐yl)hydrazono‐3‐methyl‐5‐oxo‐4,5‐dihydro‐1H‐pyrazol‐1‐yl]‐4(3H) ‐quinazolinones; 3‐aryl‐2‐[4‐(1,5‐dimethyl‐3‐oxo‐2‐phenyl‐2,3‐dihydro‐1H‐pyrazol‐4‐yl)azo‐3,5‐dimethyl‐1H‐pyrazol‐1‐yl]‐4(3H)‐quinazolinones and 3‐aryl‐2‐[4‐(1,5‐dimethyl‐3‐oxo‐2‐phenyl‐2,3‐dihydro‐1H‐pyrazol‐4‐yl)hydrazono‐3,5‐dioxo‐pyrazolidin‐2‐yl]‐4(3H)‐quinazolinones. The antiinflammatory
通过3-芳基-2-肼基-4(3H)-喹唑啉酮与乙酰乙酸乙酯、乙酰丙酮或丙二酸二乙酯的反吡唑啉酮衍生物反应,制备了四个新型吡唑基-4(3H)-喹唑啉酮系列。这些系列的化合物是 3-aryl-2- [1-ethoxycarbonyl-1- (1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl) hydrazono-2 -亚丙基]肼基-4(3H)-喹唑啉酮;3-芳基-2-[4-(4,5-二甲基-3-氧代-2-苯基-2,3-二氢-1H-吡唑-4-基) hydrazono-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl] -4 (3H) -quinazolinones; 3-芳基-2-[4-(1,5-二甲基-3-氧代-2-苯基-2,3-二氢-1H-吡唑-4-基)偶氮-3,5-二甲基-1H-吡唑- 1-基]