Journal
TETRAHEDRON LETTERS
Volume 53, Issue 33, Pages 4405-4408Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.06.040
Keywords
Tandem; Aldol condensation; Michael addition; Aqueous medium
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Funding
- Iranian National Science Foundation [INSF-88002449]
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An efficient synthesis of beta-aryl-beta-mercapto ketones is achieved via a tandem aldol condensation-thia-Michael addition process using an aqueous medium and diethylamine. Addition of different thiols to alpha,beta-unsaturated ketones, formed in situ from the condensation of acetophenone derivatives with aldehydes, led to a rapid and high yielding synthesis of the products under very mild conditions using no expensive additive or catalyst. Products which precipitated spontaneously in the reaction mixtures were separated by simple filtration and purified by recrystallization. (c) 2012 Elsevier Ltd. All rights reserved.
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