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Photochemical E → Z isomerization of quaternary salts of E-1,2-bispyrazinylethylene

✍ Scribed by Sang Chul Shim; Maeng Sup Kim

Book ID
108043226
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
736 KB
Volume
45
Category
Article
ISSN
1010-6030

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E/Z -Isomerism of semicyclic amidinium s
E/Z -Isomerism of semicyclic amidinium salts
✍ S. Hartmann; V. Brecht; A. W. Frahm 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 108 KB 👁 1 views

1H and 15N NMR chemical shifts of 12 semicyclic amidinium salts are reported. Their E/Z equilibria in solution were analyzed by 1D and 2D 1H and 15N NMR techniques. In the solid state the Z-conÐguration is observed.