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An NMR Investigation of the Effect of Hydrogen Bonding on the Rates of Rotation about the C−N Bonds in Urea and Thiourea

✍ Scribed by Haushalter, Karl A.; Lau, Janice; Roberts, John D.

Book ID
118118219
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
278 KB
Volume
118
Category
Article
ISSN
0002-7863

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Investigation by dynamic NMR spectroscop
Investigation by dynamic NMR spectroscopy of the mechanism of rotation about the carbondouble bond in nitroenamines
✍ V. I. Bakhmutov; V. A. Burmistrov 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 440 KB 👁 1 views

## Abstract Rapid __Z__,__E__‐isomerization of nitroenamines RNHCHC(NO~2~)COOCH~3~ in solutions was investigated by dynamic NMR spectroscopy. In weakly basic solvents all the studied nitroenamines isomerize by a thermal mechanism. In pyridine the isomerization proceeds by the thermal mechanism i