(-)-α-helmiscapene
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChI: InChI=1S/C15H24/c1-11(2)13-7-9-15(4)8-5-6-12(3)14(15)10-13/h6,13-14H,1,5,7-10H2,2-4H3/t13-,14?,15+/m1/s1
- IUPAC Standard InChIKey: OZQAPQSEYFAMCY-LOWNFYCTSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- (2S,4aR,8aR)-4a,8-Dimethyl-2-(prop-1-en-2-yl)-1,2,3,4,4a,5,6,8a-octahydronaphthalene
- Naphthalene, 3,4,4a,5,6,7,8,8a-octahydro-7-isopropylene-1,4a-dimethyl-
- Naphthalene, 1,2,3,4,4a,5,6,8a-octahydro-4a,8-dimethyl-2-(1-methylethenyl)-, [2R-(2α,4aα,8aβ)]-
- ent-α-selinene
- 10-epi-α-selinene
- 7-diepi-α-Selinene
- 7-epi--Selinene
- 5,10-di-epi-α-Selinene
- Selina-4,11-diene
- 7-epi-α-Selinene
- Other names: α-helmiscapene
- Information on this page:
- Options:
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | SF-96 | 170. | 1467. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
| Packed | Apiezon L | 190. | 1502. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
| Packed | Apiezon L | 190. | 1502. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Carbowax 20M | 150. | 1683. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
| Packed | Carbowax 20M | 150. | 1683. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
| Packed | Carbowax 20M | 150. | 1683. | Andersen, Bissonette, et al., 1977 | Column length: 7.3 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 1451. | Tesso, König, et al., 2005 | 3. K/min; Column length: 25. m; Column diameter: 0.25 mm; Tstart: 50. C; Tend: 230. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 1451. | Adio, Paul, et al., 2004 | H2; Column length: 25. m; Program: not specified |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Andersen, Bissonette, et al., 1977
Andersen, N.H.; Bissonette, P.; Liu, C.-B.; Shunk, B.; Ohta, Y.; Tseng, C.-L.W.; Moore, A.; Huneck, S.,
Sesquiterpenes of nine European liverworts from the genera, Anastrepta, Bazzania, Jungermannia, Lepidozia, and Scapania,
Phytochemistry, 1977, 16, 11, 1731-1751, https://doi.org/10.1016/0031-9422(71)85081-1
. [all data]
Tesso, König, et al., 2005
Tesso, H.; König, W.A.; Asakawa, Y.,
Composition of the essential oil of the liverwort Radula perrottetii of Japanese origin,
Phytochemistry, 2005, 66, 8, 941-949, https://doi.org/10.1016/j.phytochem.2005.03.003
. [all data]
Adio, Paul, et al., 2004
Adio, A.M.; Paul, C.; Tesso, H.; Kloth, P.; König, W.A.,
Absolute configuration of helminthogermacrene,
Tetrahedron: Asymmetry, 2004, 15, 10, 1631-1635, https://doi.org/10.1016/j.tetasy.2004.03.030
. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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