Tetrahedron p. 239 - 258 (1989)
Update date:2022-08-04
Topics:
Clinch, K.
Marquez, C. J.
Parrott, M. J.
Ramage, R.
A series of substituted 1,2,3,6- (5) and 1,2,5,6-tetrahydropyridines (6) have been synthesised via intramolecular 1,6-Michael addition of methoxycarbonyl-2,4-dienylamines (10).The kinetics of these reactions have been investigated and an explanation of substituent effects is advanced.Also a new route to m-hydroxybenzoic acids has been established by cyclisation of substituted hexa-3,4:5,6-dienoic acids.
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