Journal of the Chemical Society. Chemical communications p. 538 - 540 (1992)
Update date:2022-09-26
Topics:
Beddoes, Roy L.
Davies, Michael P. H.
Thomas, Eric J.
The tricyclic lactams 20 and 21 have been synthesized using iminium ion cyclisations and formation of the third ring via halogen metal exchange; oxidation of the lactam 22 using lead(IV) acetate gave the tetracyclic ether 27 regioselectively.
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(1992)
