Table 1:
Chemical shift values of the hydroxyl proton in the PMR spectra of Anils.
C
7
-group
Photochromic behaviour
Chemical shift values of hydroxyl proton in PMR spectra (δ)
-CH
3
-ve
14.1
-CH
2
-Ph
-ve
13.90
-Ph
-ve
13.85
-H
+-ve
12.73