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Communication | Regular issue | Vol 14, No. 10, 1980, pp.1449-1454
Published online, 1st January, 1970
DOI: 10.3987/R-1980-10-1449
Formation of 3,5-Dicyano-4-(N,N-dimethylformamidino)-2,6-diphenyl-4H-pyran from ω-Cyanoacetophenone

Syoji Morimura*

*Central Research Laboratories, Sankyo Co.,Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140 Japan


A 4H-pyran derivative, 3,5-dicyano-4-(N,N-dimethylformamidino)-2,6-diphenyl-4H-pyran (9) was obtained by the reaction of [N-(dimethylaminomethylene)aminomethylene] dimethylammonium chloride (5) with ω-cyanoacetophenone (8).