Abstract
The complete assignment of the 1H and 13C NMR spectra of benzoylecgonine, a cocaine metabolite, was performed, with the aid of some 2D experiments such as gCOSY and gHSQC.
Acknowledgments
The authors are grateful to FAPESP for financial support of this work (grant no. 2005/59649‐0) and for a fellowship (to S.P.) and to CNPq for fellowships (to R.R. and N.F.H.) and for a scholarship (to L.L.).