Abstract
The most reliable and widely used diastereomer method in chiral discrimination has a fatal problem in that it is impossible to discriminate the diastereomers having chiral centers separated by more than 4 bonds. The problem has been assumed to be intrinsic to the diastereomer method and therefore very difficult to solve. In order to solve the problem, we have developed highly potent chiral discrimination methods by use of helically chiral derivatization reagents (for example A, Fig. 1)1). A has an anthracene-2,3-dicarboximido group on one side (wing) and OH or COOH group for derivatization on the other side (wing). The anthracene-2,3-dicarboximodo group is for highly sensitive fluorescence and long-distance anisotropy for 1H-NMR study.
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