Synthesis of novel trifluoromethyl-containing heterocycle-fused troponoid compounds
✍ Scribed by Gao, Wentao; Liu, Rui; Li, Yang
- Book ID
- 119944847
- Publisher
- Walter de Gruyter GmbH & Co. KG
- Year
- 2012
- Tongue
- English
- Weight
- 359 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0793-0283
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## Abstract magnified image 2‐(1‐Aryl‐ethylidene)‐malononitriles **1a**, **1b**, **1c**, **1d** undergo self dimerization in ethanol catalyzed by sodium ethoxide to afford 2‐[4,6‐diaryl‐3‐cyano‐6‐methyl‐5,6‐dihydropyridin‐2(1__H__)‐ylidene]‐malononitrile derivatives **3a**, **3b**, **3c**, **3d** r
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## Abstract A facile synthesis of a series of novel bromo‐, arylazo‐, and heterocyclic fused troponoid compounds containing 1,3‐benzodioxole system is described. The 7‐bromo‐, 5,7‐dibromo‐, and 5‐arylazo‐substituted 3‐[(2__E__)‐3‐(1,3‐benzodioxol‐5‐yl)prop‐2‐enoyl]tropolones (**2**, **3**, and **5*