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Title: | New modification of the Perkow reaction: Halocarboxylate anions as leaving groups in 3-acyloxyquinoline-2,4(1H,3H)-dione compounds | ||||||||||
Author: | Paleta, O.; Pomeisl, K.; Kafka, Stanislav; Klásek, Antonín; Kubelka, V. | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Beilstein Journal of Organic Chemistry. 2005, vol. 1, issue 17, p. 1-4 | ||||||||||
ISSN: | 1860-5397 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1186/1860-5397-1-17 | ||||||||||
Abstract: | Substituted 3-(fluoroacyloxy)quinoline-2,4(1H,3H)-diones including 3-(fluoroiodoacetoxy) derivatives react with triethyl phosphite to afford either the product of the Perkow reaction or the corresponding 4-ethoxyquinolin-2(1H)-one. In both reactions, the fluorocarboxylate anion acts as the first observed leaving group. This observation restricts the application of the intramolecular Horner-Wadsworth-Emmons synthesis to modify quinoline-2,4(1H,3H)-diones by the annulation of fluorinated but-2-enolide rings. | ||||||||||
Full text: | http://www.beilstein-journals.org/bjoc/single/articleFullText.htm?publicId=1860-5397-1-17 | ||||||||||
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