Stereoselective synthesis of conformationally constrained tropane analogues: 6-Chloro-2,5-diazatetracyclo[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one and 6-chloro-2,7-diazatetracyclo-[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one
作者:Jie Cheng、Liang Xu、Edwin D. Stevens、Mark L. Trudell、Sari Izenwasser、Dean Wade
DOI:10.1002/jhet.5570410414
日期:2004.7
Two conformationally constrained tropane derivatives were prepared as rigid nicotinic acetylcholine receptor ligands. A palladium catalyzed intramolecular α-arylation reaction was employed to generate the tricyclic compounds in good yields from N-(bromo-chloropyridylmethyl)-8-azabicyclo[3.2.1]octan-3-ones.