2,5-methanobenzo [5] quinoline-3-carboxylate esters

Details 2,5-methanobenzo [5] quinoline-3-carboxylate esters 2,5-methanobenzo [5] quinoline-3-carboxylate esters

C - Chemistry, Metallurgy

07

D

260/277.1, 260/2

C07D 221/22 (2006.01) C07D 491/08 (2006.01)

Patent

CA 1110243

ABSTRACT OF THE DISCLOSURE Lower-alkyl 1-R1-3R5CO-4a.alpha.-R3-5a-R4-6-R2"-7-R2-8- R2'-9-R2'''-1,2,3,4,4a,5,10,10a-octahydro-2,5-methanobenzo[g]- quinoline-3-carboxylates, useful as intermediates for the preparation of 3-R1-6(eq)-R4-7-R2"-8-R2-9-R2"-10-R2'''-11(ax)- R3-11(eq)-CH2CH2COR5-2,6-methano-3-benzazocines. useful as analgesics and narcotic antagonists, are prepared by carbox- ylation of an appropriate 1-R1-3-COR5"-4a.alpha.-R3-5.alpha.-R4-6-R2"-7- R2-8-R2'-9-R2'''-1,2,3,4,4a,5,10,10a-octahydro-2,5-methano- benzo[g]quinoline.

361860

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