Vitamin D3 → Previtamin D3

HRID 1077379

Reaktionsgleichung

Reaktionsgleichung von HRID 1077379
[CH3:1][C@@H:2]([C@@H:9]1[C@@:13]2([CH3:28])[CH2:14][CH2:15][CH2:16]/[C:17](=[CH:18]\[CH:19]=[C:20]3\[CH2:21][C@@H:22]([OH:27])[CH2:23][CH2:24][C:25]\3=[CH2:26])/[C@@H:12]2[CH2:11][CH2:10]1)[CH2:3][CH2:4][CH2:5][CH:6]([CH3:8])[CH3:7].[Na].O.O[Si](O)(O)O.[Al].[Al]>>[CH3:26][C:25]1[CH2:24][CH2:23][C@H:22]([OH:27])[CH2:21][C:20]=1/[CH:19]=[CH:18]\[C:17]1[C@@H:12]2[CH2:11][CH2:10][C@H:9]([C@@H:2]([CH2:3][CH2:4][CH2:5][CH:6]([CH3:8])[CH3:7])[CH3:1])[C@@:13]2([CH3:28])[CH2:14][CH2:15][CH:16]=1

Komponenten

4

Edukt 3

HCID 5280795Vitamin D3HCID 5360545SodiumHCID 6336541Kyanite

Produkt 1

HCID 5281058Previtamin D3

Versuchsvorschrift

A 2% loading of 7-dehydrocholesterol on mordenite with a Si:Al ratio of 5.2-6 in the sodium form (Valfor C500-11 from PQ) was treated in the same was as in Example 6. After 120 min., a significant amount of previtamin D3 was formed, but there was very little tachysterol formed.

Quellen und Nachweise

ORD-Eintrag
ord-1475b6329df04626a7b72d2da51c53fb
Quelldatensatz
uspto-grants-1996_08
Patentnummer
US05543016

Verknüpfte Notizen

Wird geladen…