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Abstract
Addition of dialkyl (or diaryl) phosphites to N-alkyl terephthalic Schiff bases led exclusively to a meso-form but addition to N-aryl terephthalic Schiff bases depended on the substituent of the aryl group. Semi-empirical calculations were involved to find the reason of this phenomenon.
ACKNOWLEDGMENTS
The financial support of the Polish State Committee for Scientific Research (KBN) is kindly acknowledged. GAMESS for ChemOffice7.0 was provided free of charge by the Department of Chemistry of the Iowa State University in Ames.