Bulletin of the Chemical Society of Japan p. 2366 - 2369 (1985)
Update date:2022-08-04
Topics: Purification and characterization Ring Expansion Yield Optimization and Scale-Up
Sato, Takeo
Nishiyama, Kozaburo
Morita, Akira
Iitaka, Yoichi
The treatment of <2.2>metacyclophanes with aluminum chloride gave a variety of hydropyrenes as the results of dehydrogenation, cycloisomerization, and disproportionation reactions.With ethylaluminum dichloride, however, a highly selective reaction occured to give trans-trans-1,2,3,3a,4,5,9,10,10a,10b-decahydropyrene.Revised structures were presented for cis-cis- and trans-trans-decahydropyrenes based on 13C NMR and X-ray crystallographic analyses.
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