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Communication | Special issue | Vol 37, No. 2, 1994, pp.709-713
Published online, 1st January, 1970
DOI: 10.3987/COM-93-S92
The Reaction of Diazines with Allyltributyltin via N-Alkoxycarbonyldiazinium Salts

Takashi Itoh, Hiroshi Hasegawa, Kazuhiro Nagata, Yuji Matsuya, and Akio Ohsawa*

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


Pyridazines were allowed to react with allyltributyltin in the presence of chloroformate to give 1-alkoxycarbonyl-6-allyl- and 1-alkoxycarbonyl-4-allyldihydro-pyridazines as major and minor products, respectively. The reaction was applied to other diazines, and tetrahydro-adducts were obtained in the case of pyrimidine and pyrazine. Benzo-fused diazines also reacted in the same manner to afford the allyl-adducts in good yields.