2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-
- Formula: C10H18O
- Molecular weight: 154.2493
- IUPAC Standard InChI: InChI=1S/C10H18O/c1-8(2)6-10-7-9(3)4-5-11-10/h6,9-10H,4-5,7H2,1-3H3/t9-,10-/m1/s1
- IUPAC Standard InChIKey: CZCBTSFUTPZVKJ-NXEZZACHSA-N
- CAS Registry Number: 16409-43-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: Rose oxide; 2H-Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)-; Rosoxide; Rose oxide L; Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-; Pyran, 2-(2-methyl-1-propenyl)-4-methyltetrahydro-; 4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran; Rosenoxide; Tetrahydro-4-methyl-2-[2-methyl-1-propenyl]-2H-pyran; 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-; Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)-; cis Rose oxide; Rose oxide , I; tetrahydro-4-methyl-2-(2-methylprop-1-enyl)pyran
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Van Den Dool and Kratz RI, polar column, temperature ramp
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
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | DB-Wax | DB-Wax | ZB-Wax | DB-Wax | DB-Wax |
| Column length (m) | 30. | 60. | 30. | 30. | 60. |
| Carrier gas | He | He | He | He | He |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.32 | 0.25 | 0.25 | 0.32 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.15 | 0.25 | 0.5 |
| Tstart (C) | 40. | 32. | 35. | 40. | 67. |
| Tend (C) | 240. | 220. | 220. | 240. | 235. |
| Heat rate (K/min) | 6. | 3. | 1.8 | 6. | 2.7 |
| Initial hold (min) | 10. | 10. | 10. | ||
| Final hold (min) | 25. | 10. | 25. | 30. | |
| I | 1337. | 1363. | 1338. | 1339. | 1390. |
| Reference | Varming, Andersen, et al., 2006 | Brophy, Goldsack, et al., 2004 | Ledauphin, Saint-Clair, et al., 2004 | Varming, Andersen, et al., 2004 | Claudela, Dirningera, et al., 2002 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Varming, Andersen, et al., 2006
Varming, C.; Andersen, M.L.; Poll, L.,
Volatile Monoterpenes in Black Currant (Ribes nigrum L.) Juice: Effects of Heating and Enzymatic Treatment by β-Glucosidase,
J. Agric. Food Chem., 2006, 54, 6, 2298-2302, https://doi.org/10.1021/jf051938k
. [all data]
Brophy, Goldsack, et al., 2004
Brophy, J.J.; Goldsack, R.J.; O'Sullivan, W.,
Chemistry of the Australian gymnosperms. Part VII. The leaf oils of the genus Actinostrobus,
Biochem. Syst. Ecol., 2004, 32, 10, 867-873, https://doi.org/10.1016/j.bse.2004.05.001
. [all data]
Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D.,
Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y
. [all data]
Varming, Andersen, et al., 2004
Varming, C.; Andersen, M.L.; Poll, L.,
Influence of thermal treatment on black currant (Ribes nigrum L.) juice aroma,
J. Agric. Food Chem., 2004, 52, 25, 7628-7636, https://doi.org/10.1021/jf049435m
. [all data]
Claudela, Dirningera, et al., 2002
Claudela, P.; Dirningera, N.; Etievant, P.,
Effects of water on gas chromatographic column efficiency measurements applied to on-column injections of volatile aroma compounds,
J. Sep. Sci., 2002, 25, 5-6, 365-370, https://doi.org/10.1002/1615-9314(20020401)25:5/6<365::AID-JSSC365>3.0.CO;2-Y
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, 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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