Journal of Organic Chemistry p. 3196 - 3199 (1987)
Update date:2022-08-10
Topics:
Tashiro, Masashi
Yamato, Takehiko
Kobayashi, Kazumasa
Arimura, Takashi
When 8-methoxy<2.2>metacyclophanes are treated with iodine in boiling benzene, the corresponding tetrahydropyrenes (8) are obtained in good yield.The AlCl3-catalyzed trans-tert-butylation of 8 effected loss of the tert-butyl group to give 10a-c, which were easily dehydrogenated with DDQ to afford the corresponding pyrene derivatives.
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