2-Carbomethoxy-3-aryl-8-oxabicyclo[3.2.1]octanes: Potent Non-Nitrogen Inhibitors of Monoamine Transporters
摘要:
Cocaine is a potent stimulant of the mammalian central nervous system. Its reinforcing and stimulant properties have been associated with its propensity to bind to monoamine transporter systems. It has generally been assumed t;hat the amino function on monoamines is a requirement for binding to monoamine transporters. In particular, the 8-amino function on the tropane skeleton of cocaine and cocaine analogs has been assumed to provide an ionic bond to the aspartic acid residue on the dopamine transporter(DAT). We have prepared the first 8-oxa analogs of the 3-aryltropanes (WIN compounds) and have found that the 3 beta-(3,4-dichlorophenyl) (6g) and 3 alpha-(3,4-dichlorophenyl) (7g) analogs are particularly potent (IC50 = 3.27 and 2.34 nM, respectively) inhibitors of the dopamine transporter. We now describe the synthesis and biology of the family of 2-carbomethoxy-3-aryl-8-oxabicyclo[3.2.1]octanes and demonstrate that an amino nitrogen is not required for binding to the DAT.
3-Aryl-2-carbomethoxybicyclo[3.2.1]oct-2-enes inhibit WIN 35,428 binding potently and selectively at the dopamine transporter
作者:Peter C. Meltzer、Paul Blundell、Hong Huang、Shanghao Liu、Yaw F. Yong、Bertha K. Madras
DOI:10.1016/s0968-0896(99)00322-3
日期:2000.3
design of potential cocaine antagonists or cocaine substitutes which interact at the dopamine transporter of mammalian systems. This manuscript describes the synthesis and biological evaluation of 8-substituted 2-carbomethoxy-3-arylbicyclo[3.2.1]oct-2-enes. These compounds prove potent and selective inhibitors of the dopamine transporter. Their selectivity results primarily from a reduced inhibitory potency
Bridge-substituted tropanes for methods of imaging and therapy
申请人:Organix, Inc.
公开号:US05770180A1
公开(公告)日:1998-06-23
Disclosed are bridge-substituted analogs of tropanes and benztropines as well as methods for: imaging of cocaine receptors; treatment of cocaine abuse; and imaging and treatment of Parkinson's disease.
Tropane analogs and methods for inhibition of monoamine
申请人:——
公开号:US20030069269A1
公开(公告)日:2003-04-10
New tropane analogs that bind to monoamine transporters are described, particularly, 8-aza, 8carbo and 8-oxo tropanes having 6- or 7- substituents. The compounds of the present invention can be racemic, pure R-enantiomers, or pure S-enantiomers Certain preferred compounds of the present invention have a high selectivity for the DAT versus the SERT. Also described are pharmaceutical therapeutic compositions comprising the compounds formulated in a pharmaceutically acceptable carrier and a method for inhibiting 5-hydroxy-tryptamine reuptake of a monoamine transporter by contacting the monoamine transporter with a 5-hydroxytryptamine reuptake inhibiting amount of a compound of the present invention. Preferred monoamine transporters for the practice of the present invention include the dopamine transporter, the serotonin transporter and the norepinephrine transporter.