![](/CAS/GIF/170081-46-6.gif)
(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers) synthesis
- Product Name:(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers)
- CAS Number:170081-46-6
- Molecular formula:C40H72O4SSi2
- Molecular Weight:705.23
![Vitamin D2](/CAS/GIF/50-14-6.gif)
50-14-6
644 suppliers
$25.00/1g
![(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers)](/CAS/GIF/170081-46-6.gif)
170081-46-6
6 suppliers
$165.00/5mg
Yield:-
Steps:
Multi-step reaction with 6 steps
1: SO2 / CH2Cl2 / 1.25 h / -10 °C
2: imidazole / Ambient temperature
3: 94 percent / NaHCO3 / aq. ethanol / 1.25 h / Heating
4: 54.9 g / SeO2, 4-methylmorpholine N-oxide / methanol / 5.5 h / Heating
5: imidazole / CH2Cl2 / 6 h / Ambient temperature
6: 63.8 g / SO2 / CH2Cl2 / 0.75 h / -10 °C
References:
Choudhry, Satish C.;Belica, Peter S.;Coffen, David L.;Focella, Antonino;Maehr, Hubert;et al. [Journal of Organic Chemistry,1993,vol. 58,# 6,p. 1496 - 1500]
![Vitamin D2 SO2 Adduct](/CAS/GIF/87680-65-7.gif)
87680-65-7
16 suppliers
$460.00/50mg
![(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers)](/CAS/GIF/170081-46-6.gif)
170081-46-6
6 suppliers
$165.00/5mg
![tert-Butyl-dimethyl-{3-[7a-methyl-1-(1,4,5-trimethyl-hex-2-enyl)-octahydro-inden-4-ylidenemethyl]-2,2-dioxo-2,3,4,5,6,7-hexahydro-1H-2l6-benzo[c]thiophen-5-yloxy}-silane](/CAS/GIF/170081-43-3.gif)
170081-43-3
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![(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers)](/CAS/GIF/170081-46-6.gif)
170081-46-6
6 suppliers
$165.00/5mg
![tert-Butyldimethylsilyl chloride](/CAS/GIF/18162-48-6.gif)
18162-48-6
664 suppliers
$9.00/5g
![(3S)-1,3-Bis-O-tert-ButyldiMethylsilyl 3-Hydroxy VitaMin D2 SO2 Adduct (Mixture of DiastereoMers)](/CAS/GIF/170081-46-6.gif)
170081-46-6
6 suppliers
$165.00/5mg