Tetrahedron p. 3063 - 3069 (1985)
Update date:2022-08-11
Topics:
Bernassau, J. M.
Bertranne, M.
Collongues, C.
Fetizon, M.
The carbon-13 chemical shifts and relaxation times of various linear alkynes have been measured.Complexation of these compounds with dicobalt octacarbonyl induces changes in δ's and T1's.Unambiguous assignments were obtained from deuterium labelled octynes.The T1 variations result from the displacement of the center of mass of the aliphatic chain.They are systematic and can thus be used for assignment purposes.
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