An efficient procedure for preparation of 2-monoalkyl or 2-monoaryl-3-ethoxycyclobutanones
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概要
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Optimized reaction conditions for the preparation of various 2-monosubstituted 3-ethoxycyclobutanones are described. 2-Monoalkyl 3-ethoxycyclobutanones were efficiently prepared by the reaction of the corresponding carboxylic acid chlorides and an excess amount of ethyl vinyl ether in the presence of diisopropylethylamine at 90 °C in a sealed tube. 2-Monoaryl 3-ethoxycyclobutanones were prepared by using 2,6-lutidine as a base in the above-mentioned procedure. © 2010 Published by Elsevier Ltd. All rights reserved.
- 2010-07-21
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