Conformational analysis of MαNP esters, powerful chiral resolution and 1H NMR anisotropy tools - aromatic geometry and solvent effects on Δδ values
The MαNP acid method is very powerful for the preparation of enantiopure alcohols by resolution and the simultaneous determination of their absolute configurations by the 1H NMR anisotropy effect, where the syn-syn conformation is taken as the
Regioselective synthesis of optically active (pyrazolyl)pyridines with adjacent quaternary carbon stereocenter: Chiral N,N-donating ligands
Novel optically active 2-(pyrazol-1-yl)pyridines have been prepared using resolved the O-methyl ether of atrolactic acid as a source of the adjacent quaternary carbon stereocenter. Different regioisomers were formed selectively in the reaction of 2-hydraz
Kowalczyk, Rafa?,Skarzewski, Jacek
p. 623 - 628
(2007/10/03)
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