Piperazinyl benzamidines: Synthesis and affinity for the delta opioid receptor

Piperazinyl benzamidines: Synthesis and affinity for the delta opioid receptor (±)-4-[(N-allyl-cis-3-methyl-4-piperidinyl)phenylamino]-N,N-diethylbenzamide displays selective binding for the delta opioid receptor Optically pure (−)-4-[(N-allyl-3-methyl-4-piperidinyl)phenyl-amino]-N,N-diethylbenzamide displays selective binding and full agonist activity for the δ opioid receptor N,N-Diethyl-4-[(3-hydroxyphenyl)(piperidin-4-yl)amino] benzamide derivatives: The development of diaryl amino piperidines as potent δ opioid receptor agonists with in vivo anti-nociceptive activity in rodent models 3-(αR)-α-((2S,5R)-4-Allyl-2,5-dimethyl-1-piperazinyl)-3-hydroxybenzyl)- N-alkyl-N-arylbenzamides:  Potent, Non-Peptidic Agonists of Both the μ and δ Opioid Receptors Synthesis and binding affinities of 4-diarylaminotropanes, a new class of delta opioid agonists Factors Influencing Agonist Potency and Selectivity for the Opioid δ Receptor Are Revealed in Structure−Activity Relationship Studies of the 4-[(N-Substituted-4-piperidinyl)arylamino]-N,N-diethylbenzamides Probes for Narcotic Receptor Mediated Phenomena. 23. Synthesis, Opioid Receptor Binding, and Bioassay of the Highly Selective δ Agonist (+)-4-[(αR)-α-((2S,5R)-4-Allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl]- N,N-diethylbenzamide (SNC 80) and Related Novel Nonpeptide δ Opioid Receptor Ligands Cyclic Enkephalin Analogues with Exceptional Potency and Selectivity for δ-Opioid Receptors Synthesis and Opioid Activity of EnantiomericN-Substituted 2,3,4,4a,5,6,7,7a-Octahydro-1H-benzofuro[3,2-e]isoquinolines