(1R,3aS,5aS,8aR)-1,3a,4,5a-Tetramethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChI: InChI=1S/C15H24/c1-11-6-9-14(4)12(2)10-13(3)7-5-8-15(11,13)14/h10-11H,5-9H2,1-4H3
- IUPAC Standard InChIKey: SAOJPWFHRMUCFN-UHFFFAOYSA-N
- CAS Registry Number: 65372-78-3
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Cyclopenta[c]pentalene, 1,2,3,3a,5a,6,7,8-octahydro-1,3a,4,5a-tetramethyl-, (1R,3aS,5aS,8aR)-; Cyclopenta[c]pentalene, 1,2,3,3a,5a,6,7,8-octahydro-1,3a,4,5a-tetramethyl-, [1R-(1α,3aα,5aβ,8aR*)]-; (-)-Isocomene; (-)-α-Isocomene; Berkheyaradulene; Isocomene; α-Isocomene
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Normal alkane 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 | HP-5 | Optima-5MS | CP-Sil 8CB-MS | CP-Sil | CP-Sil |
| Column length (m) | 30. | 30. | 30. | 30. | 30. |
| Carrier gas | Helium | Helium | Helium | Helium | Helium |
| Substrate | |||||
| Column diameter (mm) | 0.32 | 0.32 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Program | not specified | 40 0C (5 min) 5 0C/min -> 230 0C 30 0C/min -> 280 0C (5 min) | 50 0C(3 min) 3 0C/min -> 100 0C 2.7 0C/min -> 140 0C 2.4 0C/min -> 180 0C 6 0C/min -> 260 0C | 50 0C (3 min) 3 0C/min -> 100 0C 2.7 0C/min -> 140 0C 2.4 0C/min -> 180 0C 6 0C/min -> 250 0C | 50 0C (3 min) 3 0C/min -> 100 0C 2.7 0C/min -> 140 0C 2.4 0C/min -> 180 0C 6 0C/min -> 250 0C |
| I | 1388. | 1376. | 1392. | 1372. | 1392. |
| Reference | Kahriman, Tosun, et al., 2011 | HEuskin, Godin, et al., 2009 | Profitt, Schatz, et al., 2008 | Proffit, 2007 | Proffit, 2007 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | CP-Sil | HP-5 | HP-5 | DB-1 | CP Sil 5 CB |
| Column length (m) | 30. | 30. | 30. | 30. | 25. |
| Carrier gas | Helium | Helium | He | He | N2 |
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
| Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.1 | 0.39 |
| Program | 50 0C (3 min) 3 0C/min -> 100 0C 2.7 0C/min -> 140 0C 2.4 0C/min -> 180 0C 6 0C/min -> 250 0C | not specified | 60C(5min) => 3C/min => 120C (2min) => 2C/min => 200C (2min) => 3C/min => 320C | 35C => 4C/min => 180C => 10C/min => 250C | not specified |
| I | 1392. | 1388. | 1347. | 1382. | 1390. |
| Reference | Proffit, 2007 | Ristic, Krivokuca-Dokic, et al., 2007 | Yasar, Üçüncü, et al., 2005 | Bezerra, Andrade-Neto, et al., 2002 | Weyerstahl, Marschall, et al., 1998 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Kahriman, Tosun, et al., 2011
Kahriman, N.; Tosun, G.; Terzioglu, S.; Karaoglu, S.A.; Yayh, N.,
Chemical composition and antimicrobial activity of the essential oils from the flower, leaf, and stem of Senecio pandurifolis,
Rec. Nat. Prod., 2011, 5, 2, 82-91. [all data]
HEuskin, Godin, et al., 2009
HEuskin, S.; Godin, B.; Leroy, P.; Quentin C.; Wathelet, J.-P.; Verheggen, F.; Haubruge, E.; Lognay, G.,
Fast gas chromatography characterization of purified semiochemicals from essential oils of Matricaria chamomilla L. (Asteraceae) and Nepeta cataria L. (Lamiaceae),
J. Chromatorg. A., 2009, 1216, 14, 2768-2775, https://doi.org/10.1016/j.chroma.2008.09.109
. [all data]
Profitt, Schatz, et al., 2008
Profitt, M.; Schatz, B.; Bessiere, J.-M.; Chen, C.; Soler, C.; Hossaert-McKey, M.,
Signalling receptivity: comparison of the emission of volatile compounds by figs of Ficus hispida before, during and after the phase of receptivity to pollinators,
Symbiosis, 2008, 45, 1-10. [all data]
Proffit, 2007
Proffit, M.,
Mediation chimique et structuration des communautes d'hymenopteres parasites du mutualisme figuier / pollinisateur (These pour obtenir le grade de Docteur de l'Universite Montpellier II) (Dissertation), 2007. [all data]
Ristic, Krivokuca-Dokic, et al., 2007
Ristic, M.; Krivokuca-Dokic, D.; Radanovic, D.; Nastovski, T.,
Etarsko ulje Arnica montata i Arnica chamissonis,
Hem. Ind., 2007, 61, 5, 272-277, https://doi.org/10.2298/HEMIND0704272R
. [all data]
Yasar, Üçüncü, et al., 2005
Yasar, A.; Üçüncü, O.; Güleç, C.; Inceer, H.; Ayaz, S.; Yayh, N.,
GC-MS analysis of chloroform extracts in flowers, stems, and roots of Tripleurospermum callosum,
Pharm. Biol., 2005, 43, 2, 108-112, https://doi.org/10.1080/13880200590919384
. [all data]
Bezerra, Andrade-Neto, et al., 2002
Bezerra, M.Z.B.; Andrade-Neto, M.; de Freitas, R.M.,
The essential oil of Porophyllum ruderale Cass (Asteraceae),
J. Essent. Oil Res., 2002, 14, 1, 14-15, https://doi.org/10.1080/10412905.2002.9699746
. [all data]
Weyerstahl, Marschall, et al., 1998
Weyerstahl, P.; Marschall, H.; Seelmann, I.; Jakupovic, J.,
Cameroonane, Prenopsane and Nopsane, Three New Tricyclic Sesquiterpene Skeletons,
Eur.J.Org.Chem., 1998, 1998, 6, 1205-1212, https://doi.org/10.1002/(SICI)1099-0690(199806)1998:6<1205::AID-EJOC1205>3.0.CO;2-K
. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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