Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 301, Issue 1-2, Pages 39-46Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2008.11.005
Keywords
Thioacetalization; Transthioacetalization; P2O5/Al2O3; Microwave irradiation
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Funding
- Islamic Azad University of Fasa
- Isfahan University of Technology (IUT)
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In this work, we have reported a mild, fast and efficient method for the preparation of 1,3-dithiolanes using catalytic amount of P2O5/Al2O3 under solvent-free conditions (MW). A wide variety of aldehydes and ketones can be easily protected to their corresponding 1,3-dithiolanes using 1,2-ethanedithiol in the presence of catalyting amount of P2O5/Al2O3 under microwave irradiation. Using this method, transthioacetalization of acetals and acylals into their corresponding 1,3-dithiolanes was also carried out in good yields and short reaction times. (C) 2008 Elsevier B.V. All rights reserved.
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