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|Title:||Zinc chloride-catalyzed one-pot synthesis of 3-[2-(3-methyl-4,5-dihydro-furo[2,3-c]pyrazol-1-yl)thiazol-4-yl]-chromen-2-ones via a three component reaction|
|Authors:||Kumar, P Vijaya|
Reddy, K Manoher
Rao, V Rajeswar
|Abstract:||A simple and convenient procedure for the synthesis of 3-[2-(3-methyl-4,5-dihydro-furo[2,3-c]pyrazol-1-yl)-thiazol-4-yl]-chromen-2-ones 4a-f is described through anhydrous zinc chloride-catalyzed one pot condensation of 3-(2-bromoacetyl)coumarin, thiosemicarbazide and 2-acetylbutyrolactone in good yields. The title compounds 4a-f are also synthesized via an alternative procedure.|
|Appears in Collections:||IJC-B Vol.49B(06) [June 2010]|
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