ABSTRACT

Solvent dH (ppm) dC (ppm) (CD3)2CO 2.04 29.8 C6D6 7.15 128.0 CDCl3 7.26 77.0 D2O 4.80 -1.90* CD2Cl2 5.32 53.8 (CD3)2SO 2.49 39.5 CD3OD 3.30 49.0

*external standard with 4,4-dimethyl-4-silapentane-1-sulfonic acid (DSS).