1) pyrazolopyridine derivatives
吡唑并吡啶
2) pyridino[2,3-c]pyrazole
吡啶[2,3-c]并吡唑
1.
A series of 6-amino-4-aryl-5-cyano-3-methyl-1-phenylpyridino[2,3-c]pyrazole derivatives were synthesized by the reaction of 5-amino-3-methyl-1-phenylpyrazole with arylidene derivatives of malononi-trile under microwave irradiation.
5-氨基-3-甲基-1-苯基吡唑与芳亚甲基丙二腈在少量乙二醇中,经微波辐射得到6-氨基-4-芳基-5-氰基-3-甲基-1-苯基吡啶[2,3-c]并吡唑衍生物,反应4~8min完成,产率为71%~90%,产物结构通过红外、核磁共振、元素分析及单晶X射线分析表征。
3) pyrido[2,3-c]pyrazole
吡啶并[2,3-c]吡唑
1.
One-step Synthesis of 4-Aryl-3-methyl-6-oxo-1-phenyl-4,5,6,7-tetrahydropyrido[2,3-c]pyrazole under Microwave Irradiation;
微波辐射下一步合成4-芳基-3-甲基-6-氧代-1-苯基-4,5,6,7-四氢吡啶并[2,3-c]吡唑
4) pyrazolo[3,4-b]pyridine derivatives
吡唑并[3,4-b]吡啶
1.
Advances in synthesis study on pyrazolo[3,4-b]pyridine derivatives;
吡唑并[3,4-b]吡啶化合物的合成研究进展
5) Imidazopyridines
咪唑并吡啶
1.
Studies on Three-dimensional Quantitative Structure-activity Relationship of PDE Inhibitory Activity of Imidazopyridines;
咪唑并吡啶类化合物结构及PDE抑制活性的三维构效关系研究
补充资料:4-羟基吡唑-(3,4-D)吡唑
CAS: 315-30-0
分子式: C5H4N4O
相对分子质量: 136.11
熔点: 350℃
中文名称: 别嘌呤;4-羟基吡唑-(3,4-D)吡唑;别嘌醇;1H-吡唑(3,4-D)并嘧啶-4-醇;别嘌呤醇
英文名称:h-pyrazolo(3,4-d)pyrimidin-4-ol
1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidin-4-one
1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidine-4-one
1h-pyrazolo(3,4-d)pyrimidin-4-ol
4'-hydroxypyrazolol(3,4-d)pyrimidine
4-hydroxy-1h-pyrazolo(3,4-d)pyrimidine
4-hydroxy-3,4-pyrazolopyrimidine
性质描述: 白色或类白色结晶状粉末。熔点383-384℃。溶于碱液,极微溶于水及一般有机溶剂,不溶于氯仿;乙醚。
生产方法: 将氰乙酸乙酯;原甲酸三乙酯;乙酐放在反应罐中回流反应4h,缩合得到α-乙氧次甲基氰乙酸乙酯:再将其溶解在乙醇中,加入水合肼,加热回流反应6h,得3-氨基-4-乙氧羰基吡唑;最后与甲酰胺一起加热回流反应8h,环合得到别嘌醇。用蒸馏水溶解,活性炭脱色,得精制的别嘌醇。对氰乙酸乙酯计,总收率41.8%
用途: 抗痛风药。适用于原发性或继发性血清尿酸增多的各种疾病,如痛风;急性或慢性白血病等。
分子式: C5H4N4O
相对分子质量: 136.11
熔点: 350℃
中文名称: 别嘌呤;4-羟基吡唑-(3,4-D)吡唑;别嘌醇;1H-吡唑(3,4-D)并嘧啶-4-醇;别嘌呤醇
英文名称:h-pyrazolo(3,4-d)pyrimidin-4-ol
1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidin-4-one
1,5-dihydro-4h-pyrazolo(3,4-d)pyrimidine-4-one
1h-pyrazolo(3,4-d)pyrimidin-4-ol
4'-hydroxypyrazolol(3,4-d)pyrimidine
4-hydroxy-1h-pyrazolo(3,4-d)pyrimidine
4-hydroxy-3,4-pyrazolopyrimidine
性质描述: 白色或类白色结晶状粉末。熔点383-384℃。溶于碱液,极微溶于水及一般有机溶剂,不溶于氯仿;乙醚。
生产方法: 将氰乙酸乙酯;原甲酸三乙酯;乙酐放在反应罐中回流反应4h,缩合得到α-乙氧次甲基氰乙酸乙酯:再将其溶解在乙醇中,加入水合肼,加热回流反应6h,得3-氨基-4-乙氧羰基吡唑;最后与甲酰胺一起加热回流反应8h,环合得到别嘌醇。用蒸馏水溶解,活性炭脱色,得精制的别嘌醇。对氰乙酸乙酯计,总收率41.8%
用途: 抗痛风药。适用于原发性或继发性血清尿酸增多的各种疾病,如痛风;急性或慢性白血病等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条