从3-氨基-2-喹喔啉腈1,4-二氧化物1开始,通过化学修饰2-氰基和3-氨基制备了一系列新的喹喔啉衍生物。硝化3-氨基-2-喹喔啉腈3,得到7-硝基衍生物6。3的重氮化得到3-氯化合物9。从9获得2,3-喹喔啉二甲腈14。吡啶并[4,5- b ]喹喔啉15和16是通过将14与水合肼缩合而制备的。三唑并[4,5- b ]喹喔啉18,鉴定出异噻唑并[4,5- b ]喹喔啉20和两个吡唑并[3,4- b ]喹喔啉21和22。测试了化合物在有氧和低氧细胞中的细胞毒性作用。
Synthesis of new triazoloquinoxalines, pyrroloquinoxalines, and pyrimidopyrroloquinoxalines
作者:A. A. Geies、A. M. K. El-Dean、O. S. Moustafa
DOI:10.1007/bf00807794
日期:1996.12
When 2-hydroxyquinoxaline-3-carboxamide (1) was reacted with POCl3 in DMF, 2-chloro-3-dimethylaminomethylenecarboxamide (2) was obtained. The chloro compound 2 was reacted with thiourea and hydrazine hydrate to give the corresponding mercapto and hydrazino derivatives 3 and 8, respectively. On the other hand, 2-chloroquinoxaline-3-carbonitrile (13) reacted with ethyl glycinate to the glycinate derivative 14 which was cyclized to pyrroloquinoxaline 15 by heating with sodium ethoxide. Pyrimidopyrroloquinoxaline derivatives 16 and 17 were obtained via the reaction of 15 with formamide and phenyl isothiocyanate, respectively.
3-Amino-2-quinoxalinecarbonitrile. New fused quinoxalines with potential cytotoxic activity
作者:A. Monge、J. A. Palop、A. Piñol、F. J. Martínez-Crespo、S. Narro、M. González、Y. Sáinz、A. López De Ceráin、E. Hamilton、A. J. Barker
DOI:10.1002/jhet.5570310506
日期:1994.9
Starting with 3-amino-2-quinoxalinecarbonitrile 1,4-dioxide 1, a new series of quinoxaline derivatives was prepared through chemical modifications of the 2-cyano and 3-amino groups. Nitration of 3-amino-2-quin-oxalinecarbonitrile 3 afforded the 7-nitro derivative 6. Diazotation of 3 gave the 3-chloro compound 9. 2,3-Quinoxalinedicarbonitrile 14 was obtained from 9. Pyridazino[4,5-b]quinoxalines 15 and 16
从3-氨基-2-喹喔啉腈1,4-二氧化物1开始,通过化学修饰2-氰基和3-氨基制备了一系列新的喹喔啉衍生物。硝化3-氨基-2-喹喔啉腈3,得到7-硝基衍生物6。3的重氮化得到3-氯化合物9。从9获得2,3-喹喔啉二甲腈14。吡啶并[4,5- b ]喹喔啉15和16是通过将14与水合肼缩合而制备的。三唑并[4,5- b ]喹喔啉18,鉴定出异噻唑并[4,5- b ]喹喔啉20和两个吡唑并[3,4- b ]喹喔啉21和22。测试了化合物在有氧和低氧细胞中的细胞毒性作用。
Geies; Kamal El-Dean; Moustafa, Pharmazie, 1997, vol. 52, # 6, p. 436 - 441