KCS Publications

HOME > Search > Browsing(JKCS) > Archives

Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 3
JKCSEZ 56(3)
June 20, 2012

Title	Ultrasound Mediated, Sodium Bisulfite Catalyzed, Solvent Free Synthesis of 6-Amino-3-methyl-4-substitued-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
Author	Sunil N Darandale, Jaiprakash N Sangshetti, Devanand B Shinde*
Keywords	Pyrano[2,3-c]pyrazole, Substituted aldehydes, Sodium bisulfite catalyst
Abstract	A simple, convenient and practical green synthetic protocol for sodium bisulfite catalyzed multicomponent reaction of ethyl acetoacetate, hydrazine hydrate, malononitrile, and various aldehydes for the synthesis of 6-amino-4-phenyl- 3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitriles using ultrasound irradiations in solvent free condition. This method provides the advantage of operational simplicity, shorter reaction time and excellent yields making the protocol environment friendly and economically lucrative.
Page	328 - 333
Full Text	PDF

How to access to the WOL for The Bulletin of the Korean Chemical Society ?

The Bulletin of the Korean Chemical Society will be co-published with Wiley-VCH from 2015 towards. The online version of the Journal will thus be available on Wiley Online Library, Wiley(-VCH)'s global online platform.

KCS members can get a free online access to the Bulletin of the Korean Chemical Society in WOL.

Free Access to WOL