Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2008, Issue 27, Pages 4684-4689Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200800493
Keywords
phosphoric acid; Michael addition; chalcones; cyclization; heterocycles
Categories
Funding
- Fundacion para la Promocion de la Investigacion y la Tecnologia (Banco de la Republica)
- Universidad del Valle
- COLCIENCIAS
- Spanish Consejeria de Innovacion
- Ciencia y Empresa
- Junta de Andalucia and Servicios Tecnicos de la Universidad de Jaen
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Herein is provided an efficient and two-step short procedure for the synthesis of novel 6H-[1,3]dioxolobenzo[4,5-h]pyrrolo[1,2-a][1]benezazepin-6-one derivatives promoted by commercial phosphoric acid. In a parallel approach some pyrrolyl chalcones were isolated that proved to behave as intermediates for the title compounds. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008).
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