4aα,4bβ-Gibbane-1α,10β-dicarboxylic acid, 1,4a-dimethyl-8-methylene-, dimethyl ester
- Formula: C22H32O4
- Molecular weight: 360.4871
- IUPAC Standard InChI: InChI=1S/C22H32O4/c1-13-11-22-12-14(13)7-8-15(22)20(2)9-6-10-21(3,19(24)26-5)17(20)16(22)18(23)25-4/h14-17H,1,6-12H2,2-5H3
- IUPAC Standard InChIKey: PWWAKLGQWQLLIY-UHFFFAOYSA-N
- CAS Registry Number: 22882-62-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Dimethyl 1,4a-dimethyl-8-methylenegibbane-1,10-dicarboxylate, (1α,4aα,4bβ,10β)-; GA12, Me; GA12 methyl ester; GA12, Me-TMS; GA12, Methylated; Trachylo-GA12, methyl ester
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Kovats' RI, non-polar column, custom temperature program
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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 | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | DB-1 | Ultra-2 | Ultra-2 | Ultra-2 | Ultra-2 |
| Column length (m) | 15. | 25. | 25. | 25. | 25. |
| Carrier gas | |||||
| Substrate | |||||
| Column diameter (mm) | 0.258 | 0.32 | 0.32 | 0.32 | 0.32 |
| Phase thickness (μm) | 0.52 | 0.52 | 0.52 | 0.52 | |
| Program | 130C(2m) => 32C/min => 220(4min) => 8C/min270C(2min) | 50C => 40C/min => 220C => 6C/min => 280C | 50C => 40C/min => 220C => 6C/min => 280C | 50C => 40C/min => 220C => 6C/min => 280C | 50C => 40C/min => 220C => 6C/min => 280C |
| I | 2346. | 2329. | 2328. | 2329. | 2331. |
| Reference | Tanno, Yokota, et al., 1992 | Talon M., Koornneef M., et al., 1990 | Talon, Koornneef, et al., 1990 | Talon, Koornneef, et al., 1990 | Talon, Koornneef, et al., 1990 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary |
|---|---|
| Active phase | Ultra-2 |
| Column length (m) | 25. |
| Carrier gas | He |
| Substrate | |
| Column diameter (mm) | 0.32 |
| Phase thickness (μm) | 0.52 |
| Program | 50C => 40C/min => 220C => 6C/min => 280C |
| I | 2331. |
| Reference | Talon and Zeevaart, 1990 |
| Comment | MSDC-RI |
References
Go To: Top, Kovats' RI, non-polar column, custom temperature program, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Tanno, Yokota, et al., 1992
Tanno, N.; Yokota, T.; Abe, M.; Okagami, N.,
Identification of endogenous gibberellins in dormant bulbils of Chinese yam, Dioscorea opposita,
Plant Physiol., 1992, 100, 4, 1823-1826, https://doi.org/10.1104/pp.100.4.1823
. [all data]
Talon M., Koornneef M., et al., 1990
Talon M.; Koornneef M.; Zeevaart J.A.D.,
Accumulation of C19-gibberelins in the gibbrellin-insensitive dwarf mutant gai if Arabidopsis thaliana (L.) Heynh,
Planta, 1990, 182, 4, 501-505, https://doi.org/10.1007/BF02341024
. [all data]
Talon, Koornneef, et al., 1990
Talon, M.; Koornneef, M.; Zeevaart, J.A.D.,
Endogenous gibberellins in Arabidopsis thaliana and possible steps blocked in the biosynthetic pathways of the semidwarf ga4 and ga5 mutants,
Proc. Nat. Acad. Sci. U.S.A., 1990, 87, 20, 7983-7987, https://doi.org/10.1073/pnas.87.20.7983
. [all data]
Talon and Zeevaart, 1990
Talon, M.; Zeevaart, J.A.D.,
Gibberellins and stem growth as related to photoperiod in Silene armeria L.,
Plant Physiol., 1990, 92, 4, 1094-1100, https://doi.org/10.1104/pp.92.4.1094
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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