Yx. Zhu et al., PREPARATION OF SOME POTENTIAL IMPURITIES OF AMPICILLIN AND AMOXICILLIN, Bulletin des Societes chimiques belges, 106(1), 1997, pp. 67-71
The preparation and characterization is described of some potential im
purities of the penicillins ampicillin and amoxicillin, which have not
been reported previously. These impurities may be formed during the s
emi-synthetic preparation of these antibiotics or upon their degradati
on.