## Abstract Details on the iodineβcatalyzed reactions of previtamin D, tachysterol, __cisβ__ and __trans__βvitamin D (influence of solvent, concentration, wavelength of light) are given. The possibility of a previtamin D determination based on the __cis/trans__ isomerisation is indicated. Some resu
Studies on the ultraviolet fluorescence of vitamin D and related compounds in acid-alcohol solutions
β Scribed by Anthony J. Passannante; Louis V. Avioli
- Book ID
- 107710704
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- English
- Weight
- 489 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0003-2697
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π SIMILAR VOLUMES
## Abstract The syntheses are described of previtamin D β and vitamin D analogues to be used for the study of the thermal precalciferol β calciferol isomerization reaction. A previtamin D analogue (4) prepared as indicated by Inhoffen could not be obtained in a pure state. Closer inspection reveal
## Abstract Kinetic experiments on the isomerization of lumisterol~2~ under the influence of ultraviolet light of various wavelengths are reported. The experiments indicate that neither tachysterol~2~ nor ergosterol are primary reaction products of lumisterol~2~. Lumisterol~2~ is exclusively conver