Journal of the Chemical Society. Perkin transactions I p. 367 - 373 (1990)
Update date:2022-07-29
Topics:
Hirota, Kosaku
Kitade, Yukio
Sajiki, Hironao
Maki, Yoshifumi
Yogo, Motoi
The reaction of 1,3-disubstituted uracils possessing an electron-withdrawing group such as nitro, carbamoyl, and cyano at 5-position with primary amines resulted in the exchange of the N1-portion of the uracil ring with the amine moiety.The exchange reactions were influenced by the nature of substituents at the 5- and N1-position.The reaction sequence is explained in terms of addition, ring-opening, and ring-closure.
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