PHOTOCHEMISTRY OF 4(3H)-PYRIMIDIN-4-ONES. FORMATION OF MEDIUM-RING LACTAMS

DOI: 10.1016/S0040-4039(00)77409-0

Source and publish data:

Tetrahedron Letters p. 3067 - 3070 (1980)

Update date:2022-08-11

Topics:

Authors:

Hirai, Yoshiro

Yamazaki, Takao

Hirokami, Shun-ichi

Nagata, Masanori

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Article abstract of DOI:10.1016/S0040-4039(00)77409-0

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.

Full text of DOI:10.1016/S0040-4039(00)77409-0

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