The absolute configuration of beta-hydroxy-alpha-amino acids was studied by CD exciton chirality method using 7-diethylaminocoumarin-3-carboxylate as a red-shifted chromophore. The CD spectra of bischromophoric derivatives of (S)-serine and (2S,3R)-threonine methyl esters (2 and 7) were compared wit
✦ LIBER ✦
Absolute configuration of caryoptin and 3-epicaryoptin — an exception in the exciton chirality method
✍ Scribed by Shigeki Hosozawa; Natsuki Kato; Katsura Munakata
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- French
- Weight
- 226 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0040-4039
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## Abstract magnified image The enantiomerically pure title compounds were prepared and the absolute configurations assigned by the high‐field ^1^H‐NMR application of the __Mosher__ method on the bis‐MTPA derivatives (MTPA=__α__‐methoxy‐__α__‐(trifluoromethyl)benzeneacetic acid). The final evidenc