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Communication | Special issue | Vol 15, No. 2, 1981, pp.843-846
Published online, 1st January, 1970
DOI: 10.3987/S-1981-02-0843
3-Hydroxypyrroles. IV. Ring-Enlargement of 3-Hydroxypyrrole-2-carboxylates

Takefumi Momose,* Tetsuaki Tanaka, Takashi Yokota, Norio Nagamoto, Hideko Kobayashi, and Sonoko Takano

*Faculty of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Toyonaka, Osaka 560-0043, Japan

Abstract

3-Hydroxypyrrole-2-carboxylates (1) yielded ring-expanded compounds, 4-pyrimidinone derivatives (2 and 10), on nitrosation and on the reaction with p-nitrobenzenediazonium chloride, respectively.