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Separation of structural isomers of vitamin A acetate via coupling of HPLC and H-NMR
Summary
Type:
HPLC
Application #:
109510
Catalog#:
720090.46 - MN HPLC Column, Nucleosil CN, 100A, 5um, 4.6x250mm
Detection:
UV 325 nm
Conditions:
Eluent: n-heptane (dried over molecular sieve 0.3nm)
flow rate: 20 min 1.0 ml/min (130 bar), then 0.2 ml/min (30 bar)
Authors:
Albert K
Source:
Angew Chem 107 (1995) 1102 - 1104
Details
Legend: Fig. 3: UV chromatogram of an isomer separation of vitamin A acetate (5 mg isomer mixtrue dissolved in 50 µl n-heptane). Peaks: 1. 11,13-di-cis-, 2. 11-cis, 3. 13-cis-, 4. 9-cis-, 5. all-trans-vitam
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