Table III.
Assignment | Valueain solution | DP-MAS Spectrum | Highly Mobile Component |
---|---|---|---|
ppm | |||
C-1 (terminal) | 109.9 | 108.2 | |
C-1 (5-linked) | 108.8 | 107.9 | 108 |
C-1 (3,5-linked) | 107.6 | ||
C-4 (terminal) | 84.1 | 84.7 | 84.5 |
C-4 (5- and 3,5-linked) | 82.8 | 83.1 | 83.5 (shoulder) |
C-2 (terminal) | 81.4 | 81.8 | |
C-2 (5- and 3,5-linked) | 81.8 | 82.2 | 82 |
C-3 (terminal) | 77.7 | ||
C-3 (5-linked) | 77.4 | 77.5 | 77 |
C-3 (3,5-linked) | 79.8 | 80.1 | |
C-5 (terminal) | 61.8 | 62.1 | 62 |
C-5 (5- and 3,5-linked) | 67.5 | 68.0/67.3 |
Vertical lines indicate that the resonances merged in a single peak.
Previous data are from Saulnier et al. (1988).