Tetrahedron Letters p. 5259 - 5262 (1981)
Update date:2022-08-04
Topics:
Brunke, E.-J.
Hammerschmidt, F.-J.
Struwe, H.
The cationic cyclization of the carbinol 3a(Z) occurred stereoselectively and resulted in a mixture of the hydrindane 4a and the octalin 5a, both with trans-configuration of side chain and angular methyl group.Cyclization of 3b(E) yielded in 4b and 5b, both with cis-configuration.The structure of 4a,5a was proved by transformation to the diketones 8,9.
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