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1)  furo[3',4',5,6]pyrido[2,3-c]pyrazole
呋喃并[3',4',5,6]吡啶并[2,3-c]吡唑
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。
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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)  phenylpyrano[2,3-c]pyrazole-5-carbonitrile
吡喃并[2,3-c]吡唑-5-腈
1.
Synthesis and crystal structure of 6-amino-4-(4-cyanophenyl)-1,4-dihydro-3-methyl-1-phenylpyrano[2,3-c]pyrazole-5-carbonitrile
水溶液中6-氨基-4-(4-氰基苯甲醛)-1,4-二氢-3-甲基-1-苯基吡喃并[2,3-c]吡唑-5-腈的合成与晶体结构
5)  6-amino-5-cyano-4-(2-hydroxy)phenyl-3-methal-1-phenylpyridino[2,3-c]pyrazole
6-氨基-5-氰基-4-(2-羟基)苯基-3-甲基-1-苯基吡啶[2,3-c]并吡唑
1.
The interaction between 6-amino-5-cyano-4-(2-hydroxy)phenyl-3-methal-1-phenylpyridino[2,3-c]pyrazole and bovine serum albumin
6-氨基-5-氰基-4-(2-羟基)苯基-3-甲基-1-苯基吡啶[2,3-c]并吡唑与牛血清白蛋白相互作用的研究
6)  pyrano[2,3-d]pyrimidine
吡喃并[2,3-d]嘧啶
1.
A series of pyrano[2,3-d]pyrimidine derivatives were synthesized from arylidene malononitrile and 1,3-dimethyl barbital at 100癈 catalyzed by triethylbenzylammonium chloride (TEBAC) in water.
以芳亚甲基丙二腈、1,3-二甲基巴比妥酸为原料,以水为溶剂,在100℃以三乙基苄基氯化铵(TEBAC)为催化剂合成了一系列的吡喃并[2,3-d]嘧啶衍生物,该方法具有反应条件温和,产率良好(78%～90%)和环境友好等优点。
2.
One-pot three component condensation reactions of aromatic aldehydes,malononitrile,and barbituric acid were described for the preparation of a series of pyrano[2,3-d]pyrimidine derivatives under ultrasonic irradiation in aqueous media without catalyst.
报道了在超声波辐射下,水相中无催化剂下通过芳香醛与丙二腈、巴比妥酸的一锅反应,合成了一系列吡喃并[2,3-d]嘧啶衍生物。
3.
A series of pyrano[2,3-d]pyrimidine derivatives were synthesized by the reaction of aromatic al-dehyde,malononitrile and 2-amino-4,6-dihydroxylpyrimidine in the presence of benzyltrimethyl ammonium bromide in water at 80 ℃.
以芳醛、丙二腈和2-氨基-4,6-二羟基嘧啶为原料,以水为溶剂,在80℃以苄基三甲基溴化铵为催化剂一步合成了一系列的吡喃并[2,3-d]嘧啶衍生物,产物的结构通过IR,1H NMR和元素分析表征。
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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。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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