Sm. Bromidge et al., 1,2,5,6-TETRAHYDROPYRIDINE OXIME ETHERS INCORPORATING ELECTRON-WITHDRAWING GROUPS ARE POTENT AND SELECTIVE MUSCARINIC AGONISTS, Bioorganic & medicinal chemistry letters, 4(4), 1994, pp. 557-562
The combination of N-methoxy imidoyl halide and nitrile moieties with
the 1,2,5,6-tetrahydropyridine ring system afforded a novel series of
potent muscarinic agonists. Members of this class, exemplified by the
imidoyl nitriles 2c and 3c, show favourable central selectivity. The i
ncorporation of fluoroacetyl oxime ethers gave compounds with weak aff
inity for muscarinic receptors.