Several one-dimensional experiments for selective proton-carbon correlation are presented. The proposed experiments can be characterized as one-dimensional analogues of corresponding two-dimensional methods. Instead of the incremented t1 period of 2D experiments, a carbon-chemical-shift-selective filter (13C CSSF) is introduced for the frequency selection. This approach provides better selectivity and has no extra hardware demands in comparison with 1D experiments which use soft carbon pulses.
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