Stereoelectronic Substituent Effects in
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Henrik HelligsΓΈ Jensen; Laila Lyngbye; Astrid Jensen; Mikael Bols
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Article
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2002
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John Wiley and Sons
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English
β 178 KB
From the pK a values of the conjugate acids of a large series of hydroxylated piperidines and hexahydropyridazines, a consistent difference in basicity was found between stereoisomers having an axial or equatorial hydroxyl (OH) group either b or g to the amine. Compounds with an equatorial OH group