N,N‐bis(2,3‐epoxypropyl) aniline (N,N‐diglycidylaniline, DGA) and an intermediate of its synthesis, N,N‐bis(2‐hydroxy‐3‐chloropropyl) aniline (N,N‐dichlorohydrin of aniline, DCHA), were analyzed by GPC and HPLC. The main impurities were isolated by semipreparative HPLC and their structure was identified by mass, IR, and NMR spectroscopy. Attention was also paid to the mechanism underlying the formation of these impurities.
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Podzimek et al. (1990) studied this question.
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