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Catalyst free, one-pot, facile synthesis of novel pyrazolo-1,4-dihydropyridine derivative form pyranopyrazoles
Harvinder Singh Sohal (1,*)
, Arun Goyal (2) , Rajshree Khare (3) , Kishanpal Singh (4) , Rajeev Sharma (5) (1) Department of Chemistry, Maharishi Markandeshwar University, Mullana, 133207, Haryana, India
(2) Department of Chemistry, Maharishi Markandeshwar University, Mullana, 133207, Haryana, India
(3) Department of Chemistry, Maharishi Markandeshwar University, Mullana, 133207, Haryana, India
(4) Department of Chemistry, Punjabi University, Patiala, 147001, Punjab, India
(5) Department of Chemistry, Multani Mal Modi College, Patiala, 147001, Punjab, India
(*) Corresponding Author
Received: 11 Nov 2013, Accepted: 28 Dec 2013, Published: 30 Jun 2014
Abstract
One pot synthesis of pyrazolo-1,4-dihydropyridine derivatives from pyranopyrazoles using acidic solvent system is described. The targeted molecules were obtained in good to excellent yield without the use of expensive catalysts, toxic solvents and chromatographic separation. The generality and functional tolerance of this convergent and environmentally benign method is demonstrated.
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DOI: 10.5155/eurjchem.5.2.227-232.967
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