5-β-Pregnan-3-α,20-β-diol, TMS
- Formula: C27H52O2Si2
- Molecular weight: 464.8716
- IUPAC Standard InChIKey: PSZRAFDARWUCMW-WPBWPDMKSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - 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-α-Pregnan-3-β,20-β-diol, TMS
- 5-β-Pregnan-3-β,20-β-diol, TMS
- 5-α-Pregnan-3-β,20-α-diol, MeTMS
- 5-β-Pregnan-3-β,20-α-diol, MeTMS
- Other names: 5β-Pregnane-3α,20α-diol, MO-TMS; 5-β-Pregnan-3-α,20-α-diol, MeTMS
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Gas Chromatography
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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. | 2749. | Berthou, Picart, et al., 1976 | Column length: 2.1 m |
Capillary | OV-101 | 252. | 2766. | 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 |
---|---|---|---|---|
Capillary | SE-52 | 2772. | Honour, Tourniaire, et al., 1978 | Helium, 2. K/min; Column length: 19. m; Column diameter: 0.40 mm; Tstart: 160. C; Tend: 260. C |
Packed | SE-30 | 2743. | 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 | Methyl Silicone | 2768. | Meng, Reyes, et al., 1997 | Program: not specified |
Capillary | Polydimethyl siloxane | 2767. | 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]
Honour, Tourniaire, et al., 1978
Honour, J.W.; Tourniaire, J.; Biglieri, E.G.; Shackleton, C.H.L.,
Urinary steroid excretion in 17alpha-hydroxylase deficiency,
J. Steroid Biochem., 1978, 9, 6, 495-505, https://doi.org/10.1016/0022-4731(78)90115-2
. [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]
Meng, Reyes, et al., 1997
Meng, L.-J.; Reyes, H.; Palma, J.; Hernandez, I.; Ribalta, J.; Sjövall, J.,
Profiles of bile acids and progesterone metabolites in the urine and serum of women with intrahepatic cholestasis of pregnancy,
J. Hepatol., 1997, 27, 2, 346-357, https://doi.org/10.1016/S0168-8278(97)80181-X
. [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
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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