Longifolene
- Formula: C15H24
- Molecular weight: 204.3511
- IUPAC Standard InChIKey: PDSNLYSELAIEBU-UHFFFAOYSA-N
- CAS Registry Number: 475-20-7
- 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. - Other names: 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, [1S-(1α,3aβ,4α,8aβ)]-; 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S,3aR,4S,8aS)-(+)-; (+)-Longifolene; D-longifolene; Junipen; Junipene; Kuromatsuen; Kuromatsuene; Longifolen; 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-; (+)-Longifolen; α-Longifolene; 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, (1S,3aR,4S,8aS)-; (1S,3aR,4S,8aS)-4,8,8-Trimethyl-9-methylenedecahydro-1,4-methanoazulene; 1,4-Methanoazulene, decahydro-4,8,8-trimethyl-9-methylene-, [1S-(1a`,3aa',4a`,8aa')]-; Longifolene (=Junipene); [1S-(1α,3aβ,4α,8aβ)]-decahydro-4,8,8-trimethyl-9-methylene-1,4-methanoazulene
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Normal alkane 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-FFAP | RTX-Wax | HP-Innowax | CP-Wax 52CB | TC-FFAP |
Column length (m) | 30. | 60. | 30. | 30. | |
Carrier gas | Helium | Helium | N2 | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.22 | 0.25 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Tstart (C) | 50. | 60. | 50. | 40. | 60. |
Tend (C) | 250. | 230. | 240. | 220. | 220. |
Heat rate (K/min) | 4. | 2. | 5. | 3. | 3. |
Initial hold (min) | 4. | 1. | 1. | ||
Final hold (min) | 5. | 30. | 4. | 2. | 30. |
I | 1608. | 1575. | 1574. | 1576. | 1568. |
Reference | Osorio, Carriazo, et al., 2011 | Dib, Djabou, et al., 2010 | Cheraif, Ben Jannet, et al., 2007 | Hymete, Rohloff, et al., 2007 | Kurose, Okamura, et al., 2007 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | TC-FFAP | DB-Wax | PEG-20M | DB-Wax | DB-Wax |
Column length (m) | 30. | 30. | 60. | 60. | |
Carrier gas | He | He | N2 | N2 | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 60. | 50. | 60. | 70. | 70. |
Tend (C) | 220. | 250. | 180. | 230. | 230. |
Heat rate (K/min) | 3. | 3. | 3. | 2. | 2. |
Initial hold (min) | 10. | 2. | 2. | ||
Final hold (min) | 30. | 10. | 30. | 20. | 20. |
I | 1565. | 1577. | 1566. | 1577. | 1577. |
Reference | Kurose, Okamura, et al., 2007 | Havlik, Kokoska, et al., 2006 | Yao, Guo, et al., 2005 | Choi, 2004 | Choi, 2004, 2 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | HP-Innowax | HP-Innowax | DB-Wax | Supelcowax-10 |
Column length (m) | 60. | 60. | 60. | 60. | 30. |
Carrier gas | N2 | He | He | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.32 | |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | ||
Tstart (C) | 70. | 60. | 50. | 50. | 50. |
Tend (C) | 230. | 220. | 220. | 250. | 240. |
Heat rate (K/min) | 2. | 5. | 4. | 4. | |
Initial hold (min) | 2. | 10. | 5. | 0.1 | 2. |
Final hold (min) | 20. | 5. | 10. | ||
I | 1576. | 1583. | 1574. | 1570. | 1574. |
Reference | Tu, Onishi, et al., 2002 | Kaya, Baser, et al., 1999 | Stashenko, Cervantes, et al., 1998 | Binder and Flath, 1989 | Ramaswami, Briscese, et al., 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary |
---|---|
Active phase | Supelcowax-10 |
Column length (m) | 30. |
Carrier gas | He |
Substrate | |
Column diameter (mm) | |
Phase thickness (μm) | |
Tstart (C) | 50. |
Tend (C) | 240. |
Heat rate (K/min) | 4. |
Initial hold (min) | 2. |
Final hold (min) | 10. |
I | 1574. |
Reference | Ramaswami, Briscese, et al., 1986 |
Comment | MSDC-RI |
References
Go To: Top, Normal alkane 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.
Osorio, Carriazo, et al., 2011
Osorio, C.; Carriazo, J.G.; Barbosa, H.,
Thermal and structural study of Guava (Psidium guajava L.) powders obtained by two dehydration methods,
Quim. Nova, 2011, 34, 4, 636-640, https://doi.org/10.1590/S0100-40422011000400016
. [all data]
Dib, Djabou, et al., 2010
Dib, M.ElA.; Djabou, N.; Desjobert, L.-M.; Allali, H.; Tabti, B.; Muselli, A.; Costa, J.,
Characterization of volatile compounds of Daucus crinitus Desf. headspace solid phase microextraction as alternative technique to hydrodistillation,
Chem, Centr. J., 2010, 4, 16, 1-15. [all data]
Cheraif, Ben Jannet, et al., 2007
Cheraif, I.; Ben Jannet, H.; Hammami, M.; Khouja, M.L.; Mighri, Z.,
Chemical composition and antimicrobial activity of essential oils of Cupressus arizonica Greene,
Biochem. Syst. Ecol., 2007, 35, 12, 813-820, https://doi.org/10.1016/j.bse.2007.05.009
. [all data]
Hymete, Rohloff, et al., 2007
Hymete, A.; Rohloff, J.; Iversen, T.-H.; Kjosen, H.,
Volatile constituents of the roots of Echinops kebericho Mesfin,
Flavour Fragr. J., 2007, 22, 1, 35-38, https://doi.org/10.1002/ffj.1746
. [all data]
Kurose, Okamura, et al., 2007
Kurose, K.; Okamura, D.; Yatagai, M.,
Composition of the essential oils from the leaves of nine Pinus species and the cones of three of Pinus species,
Flavour Fragr. J., 2007, 22, 1, 10-20, https://doi.org/10.1002/ffj.1609
. [all data]
Havlik, Kokoska, et al., 2006
Havlik, J.; Kokoska, L.; Vasickova, S.; Valterova, I.,
Chemical composition of essential oil from the seeds of Nigella arvensis L. and assessment of its actimicrobial activity,
Flavour Fragr. J., 2006, 21, 4, 713-717, https://doi.org/10.1002/ffj.1713
. [all data]
Yao, Guo, et al., 2005
Yao, S.-S.; Guo, W.-F.; Lu, Y.; Jiang, Y.-X.,
Flavor Characteristics of Lapsang Souchong and Smoked Lapsang Souchong, a Special Chinese Black Tea with Pine Smoking Process,
J. Agric. Food Chem., 2005, 53, 22, 8688-8693, https://doi.org/10.1021/jf058059i
. [all data]
Choi, 2004
Choi, H.-S.,
Volatile constituents of satsuma mandarins growing in Korea,
Flavour Fragr. J., 2004, 19, 5, 406-412, https://doi.org/10.1002/ffj.1283
. [all data]
Choi, 2004, 2
Choi, H.-S.,
Aroma evaluation of an aquatic herb, changpo (Acorus calamus Var. angustatus Bess), by AEDA and SPME,
J. Agric. Food Chem., 2004, 52, 26, 8099-8104, https://doi.org/10.1021/jf040239p
. [all data]
Tu, Onishi, et al., 2002
Tu, N.T.M.; Onishi, Y.; Choi, H.-S.; Kondo, Y.; Bassore, S.M.; Ukeda, H.; Sawamura, M.,
Characteristic odor components of Citrus sphaerocarpa Tanaka (Kabosu) cold-pressed peel oil,
J. Agric. Food Chem., 2002, 50, 10, 2908-2913, https://doi.org/10.1021/jf011578a
. [all data]
Kaya, Baser, et al., 1999
Kaya, A.; Baser, K.H.C.; Tümen, G.; Koca, F.,
The essential oil of Acinos suaveolens (Sm.) G. Don fil. Acinos arvensis (Lam.) Dandy and Acinos rotundifolius Pers. growing wild in Turkey,
Flavour Fragr. J., 1999, 14, 1, 60-64, https://doi.org/10.1002/(SICI)1099-1026(199901/02)14:1<60::AID-FFJ785>3.0.CO;2-0
. [all data]
Stashenko, Cervantes, et al., 1998
Stashenko, E.E.; Cervantes, M.; Combariza, Y.; Martínez, J.R.,
HRGC-FID-MSD Analysis of the Secondary Metabolites Obtained by Different Extraction Methods from Lepechinia schiedeana, and Evaluation of its Antioxidant Activity in vitro
in 20th International Symposium on Capillary Chromatography, 1998, 1-11. [all data]
Binder and Flath, 1989
Binder, R.G.; Flath, R.A.,
Volatile components of pineapple guava,
J. Agric. Food Chem., 1989, 37, 3, 734-736, https://doi.org/10.1021/jf00087a034
. [all data]
Ramaswami, Briscese, et al., 1988
Ramaswami, S.K.; Briscese, P.; Gargiullo, R.J.; von Geldern, T.,
Sesquiterpene hydrocarbons: from mass confusion to orderly line-up
in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 951-980. [all data]
Ramaswami, Briscese, et al., 1986
Ramaswami, S.K.; Briscese, P.; Gargiullo, R.J.; von Geldern, T.,
Sesquiterpene hydrocarbons: from mass confusion to orderly line-up
in Flavors and Fragrances: A World Perspective, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Proceedings of the 10th International Congress of Essential Oils, Fragrances, and Flavors, Washington, DC, 1986, 951-959. [all data]
Notes
Go To: Top, Normal alkane 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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