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Synthesis and sigma binding properties of 1'- and 3'-halo- and 1',3'-dihalo-N-normetazocine analogues
Danso-Danquah, R., Bai, X., Zhang, X., Mascarella, S., Williams, W., Sine, B., Bowen, WD., & Carroll, F. (1995). Synthesis and sigma binding properties of 1'- and 3'-halo- and 1',3'-dihalo-N-normetazocine analogues. Journal of Medicinal Chemistry, 38(15), 2986-2989.
The synthesis and sigma 1 and sigma 2 binding properties of several 1'- and 3'-halo- and 1',3'-dihalo-substituted analogues of (+)-N-benzyl- and (+)- and (-)-N-dimethylallyl-N-normetazocine are presented. Structure-activity relationship analyses of the binding data showed that halogen substitution at the 1'-position of these N-substituted N-normetazocine analogues had little effect on sigma 1 binding affinity, whereas 3'-halo substitution as well as 1',3'-dihalo substitution resulted in a reduction of affinity. sigma 2 affinity was increased by the presence of a 3'-bromo substituent in this series of (+)-N-substituted N-normetazocines
