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http://nopr.niscpr.res.in/handle/123456789/9207| Title: | Novel clay-catalysed expeditious cyclization to bis-benzothiazepine |
| Authors: | Singh, Pravin K Srivastava, Vishal Singh, J Siddiqui, I R |
| Keywords: | Benzothiazepine;clay-catalyzed;Claisen-Schmidt condensation;microwave irradiation;fungicide |
| Issue Date: | Oct-2005 |
| Publisher: | CSIR |
| IPC Code: | Int.Cl.7 C 07 D // A 61 P 31/10 |
| Abstract: | A microwave-expediated, high yielding synthesis of 4,4'-bis(2''-aryl-2'',3''-dihydro-1'',5''-benzothiazepin-4"-yl)bibenzyls 3a-j involving Claisen-Schmidt condensation of 4,4'-diacetylbibenzyl with aromatic aldehyde at room temperature followed by cyclocondensation with 2-aminothiophenol on montmorillonite K 10 clay in solvent-free condition under microwave is reported.All compounds show promising antifungal activity against Fusarium oxysporum and Penicillium citrinum. Structure-activity relationships for the screened compounds are discussed. |
| Page(s): | 2178-2182 |
| ISSN: | 0975-0983(Online); 0376-4699(Print) |
| Appears in Collections: | IJC-B Vol.44B(10) [October 2005] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCB 44B(10) 2178-2182.pdf | 216.21 kB | Adobe PDF | View/Open |
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