A specific method for determination of total ascorbic acids in urine by the α,α-dipyridyl method
✍ Scribed by Masato Okamura
- Book ID
- 115823529
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 609 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0009-8981
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## Abstract A method is described for the quantitative determination of the cyanogenic glycoside linamarin. A preseparation procedure for urine samples was necessary to remove interfering substances. This was done by solid‐phase extraction on a silica column containing cyclohexyl functional groups,
## Abstract Enantiopure α‐amino acids were converted to 4‐substituted 2‐aryl‐ and 2‐alkyl‐5(4__H__)‐oxazolones under partial racemization. These nonracemic mixtures were dissolved in CDCl~3~, an equimolar amount of the chiral dirhodium complex $Rh^{\rm (II)}\_{2}$[(__R__)− (+)− MTPA]~4~ (MTPA‐H = M