MISC

1996年11月

Thermal addition reaction of aroylketene with ethyl vinyl ether: Aromatic substituent effect on aroylketene reactivity

HETEROCYCLES
  • J Toda
  • ,
  • T Saitoh
  • ,
  • T Oyama
  • ,
  • Y Horiguchi
  • ,
  • T Sano

43
11
開始ページ
2457
終了ページ
2464
記述言語
英語
掲載種別
出版者・発行元
PERGAMON-ELSEVIER SCIENCE LTD

A series of aroylketenes (2) generated by thermolysis of 5-aryl-2,3-dihydrofuran-2,3-diones (1) reacted with ethyl vinyl ether under a thermal condition to give 2,3-dihydro-4H-pyran-4-ones (3) and/or 4H-pyran-4-ones (4). In this reaction the electron withdrawing substituent (NO2, Cl) introduced into the aryl part enhanced the ketene reactivity (2b-e), while the electron donating one (OMe) did not affect its reactivity (2f-g) in a significant extent. The heteroaroylketenes (2h) and (2i) showed a fairly good reactivity.

リンク情報
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:A1996VU55800018&DestApp=WOS_CPL
ID情報
  • ISSN : 0385-5414
  • Web of Science ID : WOS:A1996VU55800018

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