Two efficient and green methods for synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ols) without use of any catalyst or solvent

被引：11
|
作者：
Das Gupta, Arpita [1 ]
Pal, Rammohan [1 ]
Mallik, Asok K. [1 ]
机构：
[1] Jadavpur Univ, Dept Chem, Kolkata, India
来源：
GREEN CHEMISTRY LETTERS AND REVIEWS | 2014年 / 7卷 / 04期
关键词：
4,4 '-(arylmethylene)bis(1H-pyrazol-5-ols); 3-methyl-l-phenyl-5-pyrazolone; aromatic aldehydes; catalyst-free synthesis; solvent-free synthesis; SULFURIC-ACID; PYRAZOLONES; INHIBITORS; CONVENIENT; WATER;
D O I：
10.1080/17518253.2014.970236
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two efficient and green methods for synthesis of 4,4'-(arylmethylene)bis(1H-pyrazol-5-ols) without use of any catalyst or solvent have been developed simply by heating (at 120 degrees C) or microwave irradiation (300 W) of intimate mixtures of 3-methyl-l-phenyl-5-pyrazolone and aldehyde in 2:1 mole ratio.
引用
收藏
页码：404 / 411
页数：8
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