Journal
TETRAHEDRON LETTERS
Volume 45, Issue 30, Pages 5865-5867Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.05.153
Keywords
PEG; DABCO; Baylis-Hillman reaction; recyclability
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PEG (400) has been used as a rapid and recyclable reaction medium for the Baylis-Hillman reaction with the conventional basic catalyst DABCO (20 mol%) with very good yields of products. Recyclability is achieved with no further addition of DABCO to the reaction medium over four runs without substantial loss in yields. Incidentally, DABCO is recycled for the first time in this transformation. (C) 2004 Elsevier Ltd. All rights reserved.
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