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J Med Chem. 1992 Jul 24;35(15):2855-63.

2-Substituted 1-azabicycloalkanes, a new class of non-opiate antinociceptive agents.

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Drug Discovery Research, R.W. Johnson Pharmaceutical Research Institute, Spring House, Pennsylvania 19477-0776.


2-Substituted 1-azabicycloalkanes (3- and 5-aryloctahydroindolizines 2 and 11, 3-cyclohexyloctahydroindolizine 12, 4-aryloctahydroquinolizines 13, and 3-arylhexahydropyrrolizines 14) constitute a new class of non-opiate antinociceptive agents. These compounds demonstrated activity in the mouse abdominal constriction test and many were active in the mouse tail-flick test. trans-3-(2-Bromophenyl)octahydroindolizine (2a) did not bind to the opiate receptor nor did it affect arachidonate metabolism. 3-Aryloctahydroindolizines were prepared by catalytic hydrogenation of 1-aryl-3-(2-pyridinyl)-2-propen-1-ones. The X-ray crystal structure of (-)-2a was determined and absolute stereochemistry assigned as 3-R,8a-R.

[Indexed for MEDLINE]

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