Tetrahedron Letters p. 3067 - 3070 (1980)
Update date:2022-08-11
Topics:
Hirai, Yoshiro
Yamazaki, Takao
Hirokami, Shun-ichi
Nagata, Masanori
Upon irradiation, 4(3H)-pyrimidin-4-one(1) afforded a di-imine derivate(2), which, when hydrolyzed in an acidic methanol solution, gave N-methyl acetoacetamide(3).On the other hand, the fused 4(3H)-pyrimidin-4-ones, (4) and (5), gave medium ring lactams (6) and (7), which were hydrolyzed in an acidic methanol solution to give (8) and (9), respectively.
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