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

页码：404 / 411

页数：8

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