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NMR Studies of rate processes and conformations—IX: Conformational rate processes in bridged bicyclic tetrahydropyridazine and piperidazine systems

✍ Scribed by J.E. Anderson; J.M. Lehn


Publisher
Elsevier Science
Year
1968
Tongue
French
Weight
809 KB
Volume
24
Category
Article
ISSN
0040-4020

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N.m.r. studies of a rate process in a br
✍ Robert E. Carter; Kjell-Ivar Dahlqvist; Peder Berntsson 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 614 KB

## Abstract Total bandshape analysis of the temperature‐dependent n.m.r. spectrum of the bridge methylene protons in 6,6‐dicarbethoxy‐1,2,3,4‐dibenzcyclohepta‐1,3‐diene has been carried out to yield the following activation parameters: Δ__G__ = 60.96 ± 0.17 kJmol^−1^ (14.57 ± 0.04 kcal mol^−1^), ΔH