Photolysis of pyridazin-3-one 1-imides: Ring contraction into 3-pyrrolin-2-one derivatives

DOI: 10.1248/cpb.33.3540

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 3540 - 3544 (1985)

Update date:2022-08-03

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Authors:

Kurita Kurita

Takayama

Tsuchiya

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Article abstract of DOI:10.1248/cpb.33.3540

Irradiation of pyridazin-3-one l-ethoxycarbonylimide (9a) resulted in ring contraction to give the azamaleimide (11), whereas the 6-methyl derivative (9b), upon irradiation, afforded the 3-pyrrolin-2-one (12). On the other hand, the photolysis of 2-methyl

Full text of DOI:10.1248/cpb.33.3540

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