Studies on diazepines. XXV. Syntheses of fully unsaturated 1, 4-oxazepines and 1H-1, 4-diazepines using photochemical valence isomerization of tricycloheptene …

J KURITA, K IWATA, T TSUCHIYA

文献索引：Chemical & Pharmaceutical Bulletin, , vol. 35, # 8 p. 3166 - 3174

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被引用次数: 23

摘要

... Vol. 35 (1987) ... This difference in chemical shifts may arise from the shielding effect of the phenyl group on the azetidine ring, and thus the tricyclic compounds are considered to be anti-endo stereostructures 18 shown in Chart 2. Consequently 15 and 16 also seem to have anti ...