α-Copaene
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChIKey: VLXDPFLIRFYIME-UHFFFAOYSA-N
- CAS Registry Number: 3856-25-5
- 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: Copaene; Tricyclo[4.4.0.02,7]dec-3-ene, 1,3-dimethyl-8-(1-methylethyl)-, stereoisomer; Tricyclo[4.4.0.02,7]dec-3-ene, 8-isopropyl-1,3-dimethyl-, (1R,2S,6S,7S,8S)-(-)-; (-)-α-Copaene; Copaen; Tricyclo[4.4.0.0(2,7)]dec-3-ene, 1,3-dimethyl-8-(1-methylethyl)-, st; Aglaiene; Tricyclo[4.4.0.0(2,7)]dec-3-ene, 8-isopropyl-1,3-dimethyl-; Tricyclo[4.4.0.0(2,7)]dec-3-ene, 8-isopropyl-1,3-dimethyl-, (1R,2S,6S,7S,8S)-; 8-isopropyl-1,3-dimethyltricyclo[4.4.0.02,7]dec-3-ene
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Van Den Dool and Kratz RI, polar column, custom temperature program
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 | Supelcowax-10 | Supelcowax-10 | HP-Innowax | DB-Wax | DB-Wax |
Column length (m) | 30. | 30. | 30. | 30. | 30. |
Carrier gas | He | He | He | Helium | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.50 | |
Program | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 220C(1min) | 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) | 40C(8min) => 3C/min => 180C => 20C/min => 230C (20min) | 40 (5min) => 4C/min => 140C => 4C/min => 200C (20min) | not specified |
I | 1470. | 1470. | 1493. | 1472. | 1472. |
Reference | Bianchi, Cantoni, et al., 2007 | Bianchi, Careri, et al., 2007 | Carrer, Vanderlinde, et al., 2007 | Zheng, Kim, et al., 2005 | Bell, 2004 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Stabilwax | Carbowax 20M | RTX-Wax | Carbowax 20M | Carbowax 20M |
Column length (m) | 30. | 60. | 25. | 30. | |
Carrier gas | He | He | H2 | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.32 | 0.25 | |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Program | 50C(8min) => 4C/min => 180C(10min) => 5C/min => 220C | 60C(3min) => 4C/min => 160C => 10C/min => 280C | not specified | 40 0C (8 min) 3 K/min -> 180 0C 20 K/min -> 230 0C | 60C(3min) => 4C/min => 160C => 10C/min => 280C |
I | 1510. | 1488. | 1488. | 1469. | 1488. |
Reference | Hudaib, Speroni, et al., 2002 | Bortolomeazzi, Berno, et al., 2001 | Cavalli, Ranarivelo, et al., 2001 | Lorenzo, Saavedra, et al., 2001 | Bortolomeazzi, Pizzale, et al., 2000 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary |
---|---|---|
Active phase | HP-Innowax | BP-20 |
Column length (m) | 30. | |
Carrier gas | He | He |
Substrate | ||
Column diameter (mm) | 0.25 | |
Phase thickness (μm) | 0.25 | |
Program | 60C(8min) => 3C/min => 180C(5min) => 40C/min => 250C | not specified |
I | 1480. | 1519. |
Reference | Bisio, Ciarallo, et al., 1998 | Chanegriha, Baaliouamer, et al., 1998 |
Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Bianchi, Cantoni, et al., 2007
Bianchi, F.; Cantoni, C.; Careri, M.; Chiesa, L.; Musci, M.; Pinna, A.,
Characterization of the aromatic profile for the authentication and differentiation of typical Italian dry-sausages,
Talanta, 2007, 72, 4, 1552-1563, https://doi.org/10.1016/j.talanta.2007.02.019
. [all data]
Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M.,
Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness,
J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393
. [all data]
Carrer, Vanderlinde, et al., 2007
Carrer, R.P.; Vanderlinde, R.; Dutra, S.; Marcon, A.; Echeverrigaray, S.,
Essential oil variation among Brazilian accessions of Salvia guaranitica L.,
Flavour Fragr. J., 2007, 22, 5, 430-434, https://doi.org/10.1002/ffj.1817
. [all data]
Zheng, Kim, et al., 2005
Zheng, C.H.; Kim, K.H.; Kim, T.H.; Lee, H.J.,
Analysis and characterization of aroma-active compounds of Schizandra chinensis (omija) leaves,
J. Sci. Food Agric., 2005, 85, 1, 161-166, https://doi.org/10.1002/jsfa.1975
. [all data]
Bell, 2004
Bell, W.A.-M.,
Examination of Aroma Volatiles Formed from Thermal Processing of Florida Reconstituted Grapefruit Juice. A Thesis presented to the graduate school of the university of Florida in partial fulfillment of the requirements for the degree of master of science, 2004. [all data]
Hudaib, Speroni, et al., 2002
Hudaib, M.; Speroni, E.; di Pietra, A.M.; Cavrini, V.,
GC/MS evaluation of thyme (Thymus vulgaris L.) oil composition and variations during the vegetative cycle,
J. Pharm. Biomed. Anal., 2002, 29, 4, 691-700, https://doi.org/10.1016/S0731-7085(02)00119-X
. [all data]
Bortolomeazzi, Berno, et al., 2001
Bortolomeazzi, R.; Berno, P.; Pizzale, L.; Conte, L.S.,
Sesquiterpene, alkene, and alkane hydrocarbons in virgin olive oils of different varieties and geographical origins,
J. Agric. Food Chem., 2001, 49, 7, 3278-3283, https://doi.org/10.1021/jf001271w
. [all data]
Cavalli, Ranarivelo, et al., 2001
Cavalli, J.-F.; Ranarivelo, L.; Ratsimbason, M.; Bernardini, A.-F.; Casanova, J.,
Constituents of the essential oil of six Helichrysum species from Madagascar,
Flavour Fragr. J., 2001, 16, 4, 253-256, https://doi.org/10.1002/ffj.994
. [all data]
Lorenzo, Saavedra, et al., 2001
Lorenzo, D.; Saavedra, G.; Loayza, I.; Dellacassa, E.,
Composition of the essential oil of Erechtites hieracifolia from Bolivia,
Flavour Fragr. J., 2001, 16, 5, 353-355, https://doi.org/10.1002/ffj.1010
. [all data]
Bortolomeazzi, Pizzale, et al., 2000
Bortolomeazzi, R.; Pizzale, L.; Vichi, S.; Piasenzotto, L.; Conte, L.S.,
GC-MS Characterization of sesquiterpenic hydrocarbons in virgin olive oils, Proceedings 23rd ISCC; CD-ROM, 2000, retrieved from http://www.richrom.com/assets/CD23PDF. [all data]
Bisio, Ciarallo, et al., 1998
Bisio, A.; Ciarallo, G.; Romussi, G.; Fontana, N.; Mascolo, N.; Capasso, R.; Biscardi, D.,
Chemical Composition of Essential Oils from some Salvia species,
Phytother. Res., 1998, 12, S1, s117-s120, https://doi.org/10.1002/(SICI)1099-1573(1998)12:1+3.0.CO;2-2
. [all data]
Chanegriha, Baaliouamer, et al., 1998
Chanegriha, N.; Baaliouamer, A.; Rolando, C.,
Polarity changes during capillary gas chromatographic and gas chromatographic-mass spectrometric analysis using serially coupled columns of different natures and temperature programming. Application to the identification of constituents of essential oils,
J. Chromatogr. A, 1998, 819, 1-2, 61-65, https://doi.org/10.1016/S0021-9673(98)00449-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, polar column, custom temperature program, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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