
Journal of Medicinal Chemistry p. 1271 - 1275 (1984)
Update date:2022-08-04
Topics:
Borne, Ronald F.
Fifer, E. Kim
Waters, I.W.
Conformational flexibility of the N-acyl portion of fentanyl-type analgetics was restricted through the synthesis of novel perhydro-1,6-naphthyridin-2-one derivatives.Neither the cis-fused derivative (5a), the trans-fused derivative (5b), nor the enamide
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