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Communication | Regular issue | Vol 20, No. 11, 1983, pp.2169-2172
Published online, 1st January, 1970
DOI: 10.3987/R-1983-11-2169
Reactions of 6-Methoxy-3-azabicyclo[4.2.0]octan-2-one and Its 7-Substituted Derivatives

Chikara Kaneko, Yu Momose, Tsuyoshi Maeda, Toshihiko Naito, and Masanori Somei

*Faculty of Pharmaceutical Scicences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan

Abstract

The mechanisms of two synthetically useful reactions using photoadducts obtained from 4-methoxy-2-pyridone and a variety of olefins as key intermediates, namely the cyclobutane-annelation and isoprenylation to 2-pyridone, have been clarified using the dihydro derivatives of these adducts (6-methoxy-3-azabicyclo[4.2.0]octan-2-ones) as the starting materials. A possible extension of these two methods to aliphatic enone series is suggested.