Bis(het)aryl-1,2,3-triazole quinuclidines as α7 nicotinic acetylcholine receptor ligands: Synthesis, structure affinity relationships, agonism activity, [18F]-radiolabeling and PET study in rats
and nine of them exhibited Ki values below nanomolar concentrations. The best scores were always obtained when the 5-phenyl-2-thiophenyl core was attached to the triazole. The selectivity of these compounds towards the nicotinic α4β2 and serotoninergic 5HT3 receptors was assessed and their brain penetration was quantified by the preparation and in vivo evaluation of two [18F] radiolabelled derivatives
Compounds of formula IA and IB are new
1
where the variables R
1
through R
10
have the values set forth herein. Such compounds have use in treating diseases such as obesity and type II diabetes, and may be provided as pharmaceutical formulations in conjunction with a pharmaceutically acceptable carrier.
Asymmetric synthesis of benzilic acid analogues using 8-phenylmenthol as a chiral auxiliary
作者:Dale O. Kiesewetter
DOI:10.1016/s0957-4166(00)80069-5
日期:1993.10
ligands required the preparation of chiral fluoroalkyl benzilicacids. An enantioselective synthesis of substitutedbenzilicacids was achieved using 8-phenylmenthol as the chiral auxiliary. Grignard addition to the si face of 8-phenylmenthyl benzoylformate 7 proceeded with high selectivity. The results of the chiral induction support assignments of the chirality of benzilicacids previously resolved