Journal of the Chemical Society. Perkin transactions II p. 1791 - 1796 (1990)
Update date:2022-08-10
Topics:
Anderson, J. Edgar
Casarini, Daniele
Lunazzi, Lodovico
From the temperature dependence of NMR spectra, two separate conformational processes can be distinguished and studied in N,N-diisopropylneopentylamine.A high-barrier inversion/ rotation process involves eclipsing of t-butyl and isopropyl groups, while a rotation process with a lower barrier involves lesser eclipsing interactions.Molecular mechanics calculations help illustrate the ground state conformations involved.Barriers are smaller when the neopentyl group is replaced by less branched primary alkyl groups.
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