✍ Scribed by M Z̆aucer; A Ăzman
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📜 SIMILAR VOLUMES
The temperature dependence of the deuterium isotope effect on the t3c NMR signals for various positions in the phenyl ring of 2-(N,N-diethylaminomethyl) tetrachlorophenol was studied in the moderately polar solvent CH2C12. The critical temperature, T~ = 245 K, corresponds to the compensation of oppo
Proton N M R spectra of ]-substituted 2,4-dimethylbcnzenes (2). I-substituted 2.6dimethylbenzenes (3) and 1-substituted 2,4,6-trimethylbenzenes (4) were determined and the SCS values compared with those of monosubstituted benzenes (1). SCS of 1 are assumed to be primarily due to the effects of x-ele
## Abstract Chemical shifts and coupling constants are reported for a series of the title compounds and the effects of substituents on these values correlated with the corresponding effects in benzenes. Partial bond fixation in these and other benzo‐heterocycles is discussed together with the gener