Citation: Nader Ghaffari Khaligh, Sharifah Bee Abd Hamid, Salam J. J. Titinchi. N-Methylimidazolium perchlorate as a new ionic liquid for the synthesis of bis(pyrazol-5-ol)s under solvent-free conditions[J]. Chinese Chemical Letters, ;2016, 27(01): 104-108. doi: 10.1016/j.cclet.2015.07.027 shu

N-Methylimidazolium perchlorate as a new ionic liquid for the synthesis of bis(pyrazol-5-ol)s under solvent-free conditions

1.
a Nanotechnology & Catalysis Research Centre, NANOCAT, University Malaya, Kuala Lumpur, Malaysia;
2.
b Department of Chemistry, University of the Western Cape, Cape Town, South Africa

Corresponding author: Nader Ghaffari Khaligh,
Received Date: 12 June 2015
Available Online: 15 July 2015
Fund Project:

N-Methylimidazolium perchlorate([MIm]ClO₄) was synthesized and some of its physico-chemical properties, such as density, surface tension were investigated. A thermo gravimetric analysis(TGA) and solvent performance were also studied. The results show that this ionic liquid is an excellent catalyst for the synthesis of 4,4'-(arylmethylene)bis(1H-pyrazol-5-ol) derivatives under solvent-free conditions. This method has the advantages of high yield, clean transformation, simple operation and short reaction time. The ionic liquid can be recycled without significant loss of activity.
- Ionic liquid,
- N-Methylimidazolium perchlorate,
- Bis(pyrazol-5-ol)s,
- Recycle
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