Journal
TETRAHEDRON LETTERS
Volume 52, Issue 21, Pages 2776-2779Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.03.111
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- Niagara University
- Niagara University Academic Center for Integrated Science
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We evaluated the potential of N,N-dimethylformamide dimethylacetal (DMF-DMA) as a methylating agent for a library of para-substituted phenols under microwave irradiation. The rate of reaction was dictated by the electronic nature of the para-substituent. With an electron-withdrawing group the reaction was completed within 30 min. For electron-donating groups, the reaction times were 60 min. Esterification and enamino-ketone formation was also observed with carboxylic acid and ketone functional groups, respectively. (C) 2011 Elsevier Ltd. All rights reserved.
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