1) Pyrazole derivatives
吡唑衍生物
1.
We also describe synthetic reactions of imidazole and pyrazole derivatives using D-fructose and pyrazole as precursors to prepare multidentate ligands containing {NS} d.
我们也讨论了以D-果糖为原料合成咪唑衍生物及以吡唑为原料合成硫酰吡唑衍生物的反应。
2) pyrazole derivative
吡唑衍生物
1.
We have synthesized a series of novel pyrazole derivatives ligands.
设计合成了一系列新型的吡唑衍生物配体,通过元素分析、红外光谱及核磁氢谱等手段进行了结构表征。
2.
From pyrazole link\'s four different substitution position spotst,he including fluorine pyrazole derivative re-search development was discussed.
从吡唑环的四个不同的取代位点探讨了含氟吡唑衍生物的研究进展,指出含氟吡唑衍生物是新型、高效、对环境友好的农药品种,并对含氟吡唑农药的发展进行了展望。
3.
Twenty new 3-arylmethylidenehydrazinocarbonyl-5-(p-substituted phenyl)-pyrazole derivatives were designed and synthesized in good to excellent yields using 4-substituted acetophenone and diethyl ox-alate as the starting materials.
以4-取代苯乙酮及草酸二乙酯为起始原料,设计合成了20个新的3-芳亚甲基联氨羰基-5-(对位取代苯基)-吡唑衍生物,产率较高。
4) 1H-pyrazole derivative
1H吡唑衍生物
1.
Eleven novel N-acylpyrazole derivatives were synthesized via acylation reaction of intermediate 1H-pyrazole derivatives with acyl chloride.
通过1H吡唑衍生物和菊酰氯进行酰化反应合成了11种新的N 酰基吡唑类化合物,其结构均经过1HNMR、IR、MS、元素分析的确证。
5) Pyrazoline derivatives
吡唑啉衍生物
1.
Two compounds of pyrazoline derivatives (PD1, PD2) with different substituents were synthesized.
在合成两种具有不同取代基的吡唑啉衍生物PD1和PD2的基础上 ,研究了不同取代基效应对其光致发光和电致发光性质的影响 。
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