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Report | Regular issue | Vol 23, No. 5, 1985, pp.1215-1217
Published online, 1st January, 1970
DOI: 10.3987/R-1985-05-1215
On the Crystal Structure of the Diels-Alder Adduct of the Hydrogenated Lactams Obtained by Reductive Photocyclization of N-Cyclohex-1-enylbenzamide

Takeaki Naito, Ichiya Ninomiya,* Mitsunobu Doi, and Masatoshi Inoue

*Kobe Women’s College of Pharmacy, Motoyamakita, Higashinad, Kobe, Hyogo 658, Japan


The stereostructure of the Diels-Alder adduct (5) of the hydrogenated lactam (3) with maleic anhydride was unequivocally established by X-ray analysis, thus confirmed the stereochemical course of reductive photocyclization of the enamide (1).