NMR spectroscopic data of some 1-alkoxy-2,2-di(carbonyl, carboxyl, cyano)-substituted ethylenes

Christian Hametner; Petra Cernuchová; Viktor Milata; Giang Vo-Thanh; André Loupy

doi:10.1002/mrc.1522

NMR spectroscopic data of some 1-alkoxy-2,2-di(carbonyl, carboxyl, cyano)-substituted ethylenes

Magn Reson Chem. 2005 Feb;43(2):171-3. doi: 10.1002/mrc.1522.

Authors

Christian Hametner¹, Petra Cernuchová, Viktor Milata, Giang Vo-Thanh, André Loupy

Affiliation

¹ Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria. christian.hametner@tuwien.ac.at

PMID: 15593248
DOI: 10.1002/mrc.1522

Abstract

The 1H-13C NMR shifts as well as 1H and 13C coupling constants of 14 alkoxymethylene malonic acid and acetoacetic acid derivatives and two alkoxymethylene acetylacetones are reported. The 17O NMR spectra have been recorded for six of them. The long-range coupling 3J(H-C=C-C(R)) has been used for determining the stereochemistry of the double bond.