Menthyloxycarbonyl phosphonium chlorides: new derivatives for determining the enantiomeric excess of chiral tertiary phosphines
โ Scribed by Garner, A. Christopher; Hodgkinson, Roy C.; Wallis, John D.
- Book ID
- 120812804
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- French
- Weight
- 417 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0040-4039
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๐ SIMILAR VOLUMES
Abetmek .-CT amide derivativea of &kid phosph~ 8 and qmt&ed alninoecids are easily prepmd in aqueous solutions, showing well sepmted sigmds in the "P NMR spectra allowing acauate enmtiome.ric excess detamimtion. Moreover, the obtained di -eric sm diqmsion appears to be highly pH dependent, indicetin
The N-(n-butylamide) of (S)-2-(phenylcarbamoyloxy)propionic acid, easily prepared starting from the inexpensive L-ethyl lactate, can be used as convenient chiral solvating agent (CSA) to determine the enantiomeric composition of N-(3,5-dinitrobenzoyl)amino acid methyl esters.