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The reaction between 3-aminocrotonates and oxindole-3-ylidene derivatives: synthesis of highly substituted pyrroles
Södertörn University, School of Life Sciences. Karolinska Institute.
2005 (English)In: Tetrahedron, ISSN 0040-4020, E-ISSN 1464-5416, Vol. 61, no 12, 3115-3123 p.Article in journal (Refereed) Published
Abstract [en]

The reaction between 3-aminocrotonates and 3-acetonylideneoxindole in refluxing toluene resulted in 2-pyrrolo-3 '-yloxindoles in high yields (around 90%). At room temperature the 2-pyrrolo-3 '-yioxindoles exists as keto-enol tautomers. Treatment with POCl3 yielded the 2-chloro-3-pyrrolyl indole, which gave the pyrrolo annulated indolopyran-2-one upon basic hydrolysis of 2-chloro-3-pyrrolyl indole methyl ester.

Place, publisher, year, edition, pages
2005. Vol. 61, no 12, 3115-3123 p.
National Category
Organic Chemistry
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URN: urn:nbn:se:sh:diva-14388DOI: 10.1016/j.tet.2004.12.003ISI: 000227754500017ScopusID: 2-s2.0-14644437741OAI: oai:DiVA.org:sh-14388DiVA: diva2:469156
Available from: 2011-12-22 Created: 2011-12-21 Last updated: 2014-04-17Bibliographically approved

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Bergman, Jan
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