Scheme 1. Reaction pathway of D-PA with NBD-Cl

From

Development and Validation of Spectrophotometric Method for Determination of Penicillamine (PA) in Pharmaceutical Formulation Using 4-Choro-Nitrobenzo-2-Oxa-1, 3-Diazol (NBD-CL)

Abdalla Ahmed Elbashir, Amira Anwar Babikir Alfadil

World Journal of Analytical Chemistry. 2013, 1(2), 18-22 doi:10.12691/wjac-1-2-1