Azabicyclic indole esters as potent 5-HT4 receptor antagonists
作者:Paul A. Wyman、Laramie M. Gaster、Frank D. King、Jonathon M. Sutton、Elizabeth S. Ellis、Kay A. Wardle、Timothy J. Young
DOI:10.1016/0968-0896(96)00037-5
日期:1996.2
The synthesis of a series of azabicyclic indole esters is described and their potency reported as 5-HT4 receptorantagonists. Optimization of the most potent compound (19) by preparing the corresponding oxazino[3,2-a]indole ester afforded 34, which had a pIC50 of 9.5 in the guinea pig distal colon longitudinal muscle myenteric plexus preparation.
A ruthenium-catalyzed ring opening-ring closing metathesis reaction serves as the key step in the stereoselective synthesis of a new enantiopure 2-substituted-4.5-dehydropiperidine skeleton, a valuable intermediate for the synthesis of piperidine alkaloids (such as halosaline) and of hydroxylated quinolizidines (such as (2R,9aR)-(+)-2-hydroxy-quinolizidine). (C) 2004 Elsevier Ltd. All rights reserved.
Bohlmann et al., Chemische Berichte, 1961, vol. 94, p. 1767,1771
作者:Bohlmann et al.
DOI:——
日期:——
Counsell; Soine, Journal of the American Pharmaceutical Association (1912-1977), <hi>1960</hi>, vol. 49, p. 289,295