Optically active 2,3-dihydro-1,5-benzothiazepin-4(5 H)-ones (14-17) have been synthesized via resolution and chemical transformation of nitrocarboxylic acids 6-9. Starting from the latter various optically active substances have been synthesized as well. Optical purity was checked by NMR spectroscopy.
- Optical purity
- Optically active benzothiazepines
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