Table 1. 1H-NMR data of compounds 1 and 2.
Table 2. 13C-NMR data of compounds 1 and 2.
Figure 1. Preparation of (R)- and (S)-MTPA esters 1a and 1b from compound 1.
Table 3. 1H-NMR spectral data of compound 1 and derivatives 1a and 1b.
Table 4. 13C-NMR data of compounds 3-7.
Figure 2. Structures of compounds 1-7.
Figure 3. CD curves of compounds 1 and 2.
Figure 4. Results of modified Mosher’s method of 2a and 2b.
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