A green synthesis of isatoic anhydrides from isatins with urea-hydrogen peroxide complex and ultrasound

Authors
Deligeorgiev, Todor; Vasilev, Aleksey; Vaquero López, Juan J.; Álvarez-Builla Gómez, JulioUniversity of Alcalá Author
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/2791
DOI: 10.1016/j.ultsonch.2006.12.003
ISSN: 1350-4177
Publisher
Elsevier
Date
2007
Affiliation
Universidad de Alcalá. Departamento de Química Orgánica
Funders
The authors acknowledge support for this work from the Ministerio de Ciencia y Tecnología through project CTQ2005-01060 and a Grant (SAB2004-0060) for T.D. as a Visiting Professor.
Bibliographic citation
Ultrasonics Sonochemistry, 2007, v. 14, n. 5, p. 497-501
Keywords
Chemistry
Analog
RNA
Acoustics
Chemistry, Multidisciplinary
Project
CTQ2005-01060 (Ministerio de Ciencia y Tecnología)
SAB2004-0060 (Ministerio de Ciencia y Tecnología)
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
http://www.dx.doi.org/10.1016/j.ultsonch.2006.12.003
Rights
(c) Elsevier, 2006
Access rights
info:eu-repo/semantics/openAccess
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Abstract
The oxidation of isatins at room temperature, using the cheap and environmentally friendly urea-hydrogen peroxide complex and ultrasonic irradiation, has been investigated. The ultrasonic irradiation dramatically reduces the reaction time. With easy and reproducible reaction procedures, different isatoic anhydrides were obtained in excellent yield and with high purity.
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