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Communication | Special issue | Vol 50, No. 2, 1999, pp.667-671
Published online, 1st January, 1970
DOI: 10.3987/COM-98-S(H)97
One Pot Reaction of Unstable N-Acyl Quaternary Salt of Thiazoles or Imidazoles with Silyl Enol Ethers Formed in situ

Takashi Itoh, Michiko Miyazaki, Kazuhiro Nagata, Yûji Matsuya, and Akio Ohsawa*

*School of Pharmaceutical Sciences, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan

Abstract

Ketone, trimethylsilyl triflate, triethylamine, thiazole or imidazole, and alkyl chloroformate were sequentially added to methylene chloride to form 2-substituted N-alkoxycarbonylated thiazoline or imidazoline derivatives in good yilds.