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Paper | Regular issue | Vol 32, No. 10, 1991, pp.2015-2022
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5853
Radical Nucleophilic Carbamoylation of 1,2,3-Triazine Derivatives

Kazuhiro Nagata, Takashi Itoh, Mamiko Okada, Hiroyuki Takahashi, and Akio Ohsawa*

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

Abstract

Radical nucleophilic carbamoylation was carried out to various 1,2,3-triazine derivatives. In the case of parent triazines as substrates, Minisci’s system was not effective, and in the absence of acid, a small amount of radical adduct was obtained. Triazinium dicyanomethylides reracted with carbamoyl radical to give 5-carbamoyltriazines in good yields. Other 1,2,3-triazine derivatives were also investigated.