5-α-Pregnan-3-β,20-β-diol, TMS
- Formula: C27H52O2Si2
- Molecular weight: 464.8716
- IUPAC Standard InChI: InChI=1S/C27H52O2Si2/c1-19(28-30(4,5)6)23-12-13-24-22-11-10-20-18-21(29-31(7,8)9)14-16-26(20,2)25(22)15-17-27(23,24)3/h19-25H,10-18H2,1-9H3/t19-,20-,21-,22?,23+,24?,25?,26-,27+/m1/s1
- IUPAC Standard InChIKey: PSZRAFDARWUCMW-LWSJOAPHSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Pregnane-3,20-diol, (3α,5β,20S)-, 2TMS derivative
- 5-β-Pregnan-3-α,20-α-diol, TMS
- Allo-pregnanediol, MO TMS
- 5-α-Pregnan-3-α,20-α-diol, TMS
- 5-α-Pregnan-3-β,20-α-diol, TMS
- 5-β-Pregnan-3-β,20-α-diol, TMS
- 5-α-Pregnan-3-α,20-β-diol, TMS
- 5-β-Pregnan-3-α,20-β-diol, TMS
- 5-β-Pregnan-3-β,20-β-diol, TMS
- 5-β-Pregnan-3-β,20-α-diol, MeTMS
- Information on this page:
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Gas Chromatography
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | OV-101 | 207. | 2820. | Berthou, Picart, et al., 1976 | Column length: 2.1 m |
| Capillary | OV-101 | 252. | 2839. | Berthou, Picart, et al., 1976 | Column length: 55. m; Column diameter: 0.37 mm |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 2815. | Harvey, 1980 | N2, Gas Chrom Q, 4. K/min; Column length: 2. m; Tstart: 150. C; Tend: 300. C |
| Packed | SE-30 | 2815. | Harvey, 1977 | N2, Gas Chrom Q, 2. K/min; Column length: 2.0 m; Tstart: 150. C; Tend: 290. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Polydimethyl siloxane | 2862. | Vandenheuvel, 1975 | Program: not specified |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Berthou, Picart, et al., 1976
Berthou, F.; Picart, D.; Bardou, L.; Floch, H.H.,
Separation of C19 and C21 dihydroxysteroids by open-hole tubular glass columns and lipophilic gel chromatography,
J. Chromatogr., 1976, 118, 2, 135-155, https://doi.org/10.1016/S0021-9673(00)81203-0
. [all data]
Harvey, 1980
Harvey, D.J.,
Vinyldimethylsilyl ethers as derivative for the characterization of steroids and cannabinoids by gas chromatography mass spectrometry,
Biomed. Mass Spectrom., 1980, 7, 5, 211-216, https://doi.org/10.1002/bms.1200070507
. [all data]
Harvey, 1977
Harvey, D.J.,
Allyldimethylsilyl ethers as derivatives for the characterization of steroids and cannabinoids by combined gas chromatography and mass spectrometry,
Biomed. Mass Spectrom., 1977, 4, 4, 265-274, https://doi.org/10.1002/bms.1200040414
. [all data]
Vandenheuvel, 1975
Vandenheuvel, F.A.,
Gas-liquid chromatographic studies of reactions and structural relationships of steroids,
J. Chromatogr., 1975, 103, 1, 113-134, https://doi.org/10.1016/S0021-9673(00)83806-6
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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