Preparation of 2,6-methano-benzazocines

Details Preparation of 2,6-methano-benzazocines Preparation of 2,6-methano-benzazocines

C - Chemistry, Metallurgy

07

D

260/237.85

C07D 405/06 (2006.01) C07D 211/82 (2006.01) C07D 221/22 (2006.01) C07D 221/26 (2006.01) C07D 307/38 (2006.01) C07D 453/06 (2006.01)

Patent

CA 1052785

ABSTRACT OF THE DISCLOSURE 6(eq)-R4-1,2,3,4,5,6-Hexahydro-3-R1-11(ax)-R3-11(eq)- CH2Z-2,6-methano-3-benzazocine, useful as analgesic agents and narcotic antagonists, and 1-R1-2-Q-4?-R3-5.alpha.-R4-1,2,3,4,4a,5,10,- 10a-octahydro-3,5-etheno- (and 3,5-ethano) benzo[g]quinolines, use- ful as analgesic agents, the former being prepared by heating, with formic acid in an organic solvent or with certain ammonium formates in the absence of a solvent, certain 1,2,3,4,4a,5,10,10a-octahydro- 2,5-methanobenzo[g]quinolines, the latter being prepared by acid catalyzed cyclization of a 3-benzyl-2-azabicyclo[2.2.2]oct-5-ene.

227350

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