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Synthesis and NMR spectra of stereoisomeric 1,3,5-trichlorocyclohexanes

✍ Scribed by B. Obereigner; D. Doskočilová; J. Štokr

Book ID
104249657
Publisher
Elsevier Science
Year
1968
Tongue
French
Weight
221 KB
Volume
9
Category
Article
ISSN
0040-4039

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✦ Synopsis

In studies of ccnformational equilibria by NMR, the knowledge of the values of the vicinal coupling constants (JT, JG) in the individual conformers is usually required. The general procedure (1) of simultaneous adjustment of energy and coupling parameters has recently been criticized

(2) and, where possible, the use of coupling parameters derived from conformationally rigid model compounds is to be preferred. As part of a systemmatic study of the conformational structure of polyvinyl chloride model compounds (3,4), the cis-(I) and trans-1,3,5-trichlorocyclohexanes (II),

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NMR spectra and stereochemistry of 5,5-d
NMR spectra and stereochemistry of 5,5-disubstituted-1,3-dioxans
✍ Trevor A. Crabb; Manuchehr Porssa; Norman F. Elmore 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 412 KB

## Abstract The positions of conformational equilibria in a variety of 5,5‐disubstituted 1,3‐dioxans have been established by low‐temperature ^1^H and ^13^C NMR spectroscopy and by reference to the NMR spectra of anancomeric 2,5,5‐trisubstituted derivatives.