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24(S)-hydroxyvitamin D2

Base Information Edit
  • Chemical Name:24(S)-hydroxyvitamin D2
  • CAS No.:120707-37-1
  • Molecular Formula:C28H44O2
  • Molecular Weight:412.656
  • Hs Code.:
  • Mol file:120707-37-1.mol
24(S)-hydroxyvitamin D<sub>2</sub>

Synonyms:24(S)-hydroxyvitamin D2

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Chemical Property of 24(S)-hydroxyvitamin D2 Edit
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Technology Process of 24(S)-hydroxyvitamin D2

There total 20 articles about 24(S)-hydroxyvitamin D2 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:
Guidance literature:
In water-cooled quartz; ethanol; hexane; ethyl acetate; benzene;
Guidance literature:
With 9-acetylanthracene; In methanol; at 7 ℃; for 1h; Inert atmosphere; Irradiation;
DOI:10.1021/op010229e
Guidance literature:
Multi-step reaction with 10 steps
1.1: water; sulfuric acid; sodium nitrite / 5 - 20 °C / Inert atmosphere
2.1: toluene-4-sulfonic acid / hexane / Inert atmosphere; Dean-Stark; Reflux
3.1: potassium hexamethylsilazane / tetrahydrofuran; toluene / 0.75 h / -78 °C / Inert atmosphere
3.2: 4 h / -78 - -30 °C / Inert atmosphere
4.1: potassium hydroxide / methanol; water / 0.5 h / Inert atmosphere; Reflux
5.1: 1,1'-carbonyldiimidazole / dichloromethane / 0 - 20 °C / Inert atmosphere
5.2: Inert atmosphere
6.1: 1H-imidazole / N,N-dimethyl-formamide / Inert atmosphere
7.1: diisobutylaluminium hydride / tetrahydrofuran; toluene / 3.33 h / -60 °C / Inert atmosphere
8.1: n-butyllithium / hexane; tetrahydrofuran / 0.75 h / -75 °C / Inert atmosphere
8.2: 2.83 h / -75 - 0 °C / Inert atmosphere
8.3: Wittig-Horner Reaction / 2.5 h / -12 °C / Inert atmosphere
9.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
10.1: 9-acetylanthracene / methanol / 1 h / 7 °C / Inert atmosphere; Irradiation
With 1H-imidazole; n-butyllithium; 9-acetylanthracene; sulfuric acid; tetrabutyl ammonium fluoride; water; potassium hexamethylsilazane; diisobutylaluminium hydride; toluene-4-sulfonic acid; 1,1'-carbonyldiimidazole; potassium hydroxide; sodium nitrite; In tetrahydrofuran; methanol; hexane; dichloromethane; water; N,N-dimethyl-formamide; toluene; 8.1: |Wittig-Horner Reaction / 8.2: |Wittig-Horner Reaction;
DOI:10.1021/op010229e
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