Metacyclophanes and related compounds. 19. Reaction of 8-methoxy [2.2] metacyclophanes with iodine in benzene solution. A preparative route to pyrenes

M Tashiro, T Yamato, K Kobayashi…

文献索引：Tashiro, Masashi; Yamato, Takehiko; Kobayashi, Kazumasa; Arimura, Takashi Journal of Organic Chemistry, 1987 , vol. 52, # 15 p. 3196 - 3199

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被引用次数: 33

摘要

When 8-methoxy [2.2] metacyclophanes are treated with iodine in boiling benzene, the corresponding tetrahydropyrenes (8) are obtained in good yield. The AlCl,-catalyzed trans- tert-butylation of 8 effected loss of the tert-butyl group to give loa-c, which were easily dehydrogenated with DDQ to afford the corresponding pyrene derivatives.