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http://nopr.niscpr.res.in/handle/123456789/9718| 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 |
| Keywords: | 2-Acetylbutyrolactone;thiazole;pyrazole;benzo¬pyran-2-one;4,5-dihydrofuropyrazole;one-pot synthesis |
| Issue Date: | Jun-2010 |
| Publisher: | CSIR |
| 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. |
| Page(s): | 836-839 |
| Appears in Collections: | IJC-B Vol.49B(06) [June 2010] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCB 49B(6) 836-839.pdf | 44.17 kB | Adobe PDF | View/Open |
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