文献索引:Ko, Soo Y.; Lerpiniere, Joanne; Linney, Ian D.; Wrigglesworth, Roger Journal of the Chemical Society, Chemical Communications, 1994 , # 15 p. 1775 - 1776
The structurally novel alkaloid epibatidine 1 was isolated from the Ecuadoran frog Epipedubates tricoZur.1 Its biological evaluation has shown potent analgesic efficacy by a non- opioid mode of action192 and its total synthesis is consequently of wide interest. The presence of the 7-azabicyclo[2.2. llhept- ane ring system with the 2-chloro-5-pyridyl group in an exo-orientation presents a challenge to the synthetic chemist. Several different approaches have been ...