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Synthesis of tri-, tetra-, and penta-deuterated forms of vitamin a

โœ Scribed by H. Robert Bergen; Harold C. Furr; James A. Olson


Book ID
102375847
Publisher
John Wiley and Sons
Year
1988
Tongue
French
Weight
401 KB
Volume
25
Category
Article
ISSN
0022-2135

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โœฆ Synopsis


analogs of retinoic acid ethyl ester and retinyl acetate, by a modified Wittig-Horner synthesis, is described. Deuterium was introduced by base-catalyzed e change into appropriate intermediates. topic integrity (>gas 2H4), is the preferred analog for biological studies of vitamin A metabolism.


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Synthesis of deuterated vitamin B6 compo
โœ S. P. Coburn; C. C. Lin; W. E. Schaltenbrand; J. D. Mahuren ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› John Wiley and Sons ๐ŸŒ French โš– 525 KB

## Abstract 3โ€Hydroxyโ€4โ€(hydroxymethyl)โ€5โ€(hydroxymethylโ€d~2~)โ€2โ€methylpyridine(pyridoxineโ€d~2~) was prepared by reduction of ฮฑ^4^โ€3โ€0โ€isopropylideneโ€5โ€pyridoxic acid with lithium aluminum deuteride. Deuterium was inserted in the 2โ€methyl group using base catalyzed exchange between deuterium oxide