4-epi-Abietal
- Formula: C20H30O
- Molecular weight: 286.4516
- IUPAC Standard InChI: InChI=1S/C20H30O/c1-14(2)15-6-8-17-16(12-15)7-9-18-19(3,13-21)10-5-11-20(17,18)4/h7,12-14,17-18H,5-6,8-11H2,1-4H3/t17?,18?,19-,20?/m0/s1
- IUPAC Standard InChIKey: HOFSYSONRIGEAC-LWCMGDNJSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Neoabietal
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Normal alkane RI, non-polar column, temperature ramp
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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
| Column type | Capillary | Capillary | Capillary |
|---|---|---|---|
| Active phase | HP-5 MS | HP-5 | DB-5 |
| Column length (m) | 30. | 30. | 30. |
| Carrier gas | Helium | N2 | He |
| Substrate | |||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 |
| Tstart (C) | 50. | 50. | 60. |
| Tend (C) | 230. | 240. | 280. |
| Heat rate (K/min) | 3. | 5. | 3. |
| Initial hold (min) | 10. | 1. | |
| Final hold (min) | 10. | 4. | 30. |
| I | 2288. | 2288. | 2268. |
| Reference | Adams, Beauchamp, et al., 2007 | Cheraif, Ben Jannet, et al., 2007 | Marongiu, Porcedda, et al., 2003 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Adams, Beauchamp, et al., 2007
Adams, R.P.; Beauchamp, P.S.; Dev, V.; Dutz, S.M.,
New Natural Products Isolated from One-Seeded Juniperus of the Southwestern United States: Isolation and Occurence of 2-Ethenyl-3-methyl Phanol and Its Derivatives,
J. Essent. Oil Res., 2007, 19, 2, 146-152, https://doi.org/10.1080/10412905.2007.9699247
. [all data]
Cheraif, Ben Jannet, et al., 2007
Cheraif, I.; Ben Jannet, H.; Hammami, M.; Khouja, M.L.; Mighri, Z.,
Chemical composition and antimicrobial activity of essential oils of Cupressus arizonica Greene,
Biochem. Syst. Ecol., 2007, 35, 12, 813-820, https://doi.org/10.1016/j.bse.2007.05.009
. [all data]
Marongiu, Porcedda, et al., 2003
Marongiu, B.; Porcedda, S.; Caredda, A.; de Gioannis, B.; Vargiu, L.; la Colla, P.,
Extraction of Juniperus oxycedrus ssp. Oxycedrus essential oil by supercritical carbon dioxide: influence of some process parameters and biological activity,
Flavour Fragr. J., 2003, 18, 5, 390-397, https://doi.org/10.1002/ffj.1224
. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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