2(5H)-Furanone, 5,5-dimethyl-

Formula: C₆H₈O₂
Molecular weight: 112.1265
IUPAC Standard InChI: InChI=1S/C6H8O2/c1-6(2)4-3-5(7)8-6/h3-4H,1-2H3
IUPAC Standard InChIKey: YNKQMZRTPPVLLL-UHFFFAOYSA-N
CAS Registry Number: 20019-64-1
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.
Other names: 4,4-Dimethyl-2-buten-4-olide; 4,4-Dimethyl-2-butenolide; 4,4-Dimethylbut-2-enolide; 5,5-Dimethyl-2(5H)-furanone; 5,5-Dimethylbut-3-enolide; 5,5-Dimethylfuran-2(5H)-one; 4,4-Dimethylcrotonolactone; 4-Methyl-2-pentenolide
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Other data available:
- Mass spectrum (electron ionization)
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Gas Chromatography

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, polar column, temperature ramp

Column type	Active phase	I	Reference	Comment
Capillary	Carbowax 20M	1583.	Tressl, Friese, et al., 1978	He, 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; T_start: 70. C; T_end: 190. C
Capillary	Carbowax 20M	1583.	Tressl, Friese, et al., 1978, 2	He, 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; T_start: 70. C; T_end: 190. C

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	DB-Petro	907.5	Pang T., Zhu S., et al., 2007	50. m/0.2 mm/0.5 μm, 2. K/min; T_start: 50. C; T_end: 270. C
Capillary	DB-Petro	907.5	Pang T., Zhu S., et al., 2007	50. m/0.2 mm/0.5 μm, 2. K/min; T_start: 50. C; T_end: 270. C
Capillary	HP-5MS	952.	Salido, Valenzuela, et al., 2004	30. m/0.25 mm/0.25 μm, He, 3. K/min; T_start: 50. C; T_end: 250. C
Capillary	HP-5MS	952.	Salido, Altarejos, et al., 2001	30. m/0.25 mm/0.25 μm, He, 3. K/min; T_start: 50. C; T_end: 250. C

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	HP-5MS	951.7	Andriamaharavo, 2014	30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)

Normal alkane RI, non-polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	HP-5 MS	945.	Radulovic, Dordevic, et al., 2010	30. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; T_start: 70. C
Capillary	HP-5MS	960.	Zouari, Zouari, et al., 2010	30. m/0.25 mm/0.25 μm, Helium, 50. C @ 1. min, 7. K/min, 250. C @ 5. min
Capillary	HP-5	958.	Coronel, Cerda-Garcia-Rojas, et al., 2006	30. m/0.32 mm/0.25 μm, He, 3. K/min; T_start: 60. C; T_end: 246. C
Capillary	HP-5	962.1	Leffingwell and Alford, 2005	60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min
Capillary	DB-1	946.	Habu, Flath, et al., 1985	3. K/min; Column length: 50. m; Column diameter: 0.32 mm; T_start: 0. C; T_end: 250. C
Capillary	DB-1	946.	Habu, Flath, et al., 1985	3. K/min; Column length: 50. m; Column diameter: 0.32 mm; T_start: 50. C; T_end: 250. C

Normal alkane RI, non-polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	HP-5 MS	956.	Nance and Setzer, 2011	30. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (10 min) 3 0C/min -> 200 0C 2 0C/min -> 220 0C
Capillary	SLB-5 MS	945.	Costa, De Fina, et al., 2008	30. m/0.25 mm/0.25 μm, Helium; Program: 50 0C 3 0C/min -> 250 0C (1 min) 10 0C/min -> 300 0C (5 min)
Capillary	HP-1	910.	Teai, Claude-Lafontaine, et al., 2001	50. m/0.32 mm/0.52 μm, N2; Program: 40C => 2C/min => 130C => 4C/min => 250C
Capillary	DB-1	904.	Ciccioli, Cecinato, et al., 1994	60. m/0.32 mm/0.25 μm; Program: not specified
Capillary	DB-1	904.	Ciccioli, Brancaleoni, et al., 1993	60. m/0.32 mm/0.25 μm; Program: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min

Normal alkane RI, polar column, temperature ramp

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Column type	Active phase	I	Reference	Comment
Capillary	DB-Wax	1590.	Wei, Mura, et al., 2001	60. m/0.25 mm/0.25 μm, He, 2. K/min; T_start: 40. C; T_end: 200. C

Normal alkane RI, polar column, custom temperature program

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Column type	Active phase	I	Reference	Comment
Capillary	Carbowax 20M	1587.	Teai, Claude-Lafontaine, et al., 2001	50. m/0.2 mm/0.2 μm, N2; Program: 60C => 2C/min => 150C => 4C/min => 220C

References

Go To: Top, Gas Chromatography, Notes

Tressl, Friese, et al., 1978
Tressl, R.; Friese, L.; Fendesack, F.; Köppler, H., Gas chromatographic--mass spectrometric investigation of hop aroma constituents in beer, J. Agric. Food Chem., 1978, 26, 6, 1422-1426, https://doi.org/10.1021/jf60220a037 . [all data]

Tressl, Friese, et al., 1978, 2
Tressl, R.; Friese, L.; Fendesack, F.; Köppler, H., Studies of the volatile composition of hops during storage, J. Agric. Food Chem., 1978, 26, 6, 1426-1430, https://doi.org/10.1021/jf60220a036 . [all data]

Pang T., Zhu S., et al., 2007
Pang T.; Zhu S.; Lu X.; Xu G., Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography, J. Sep. Sci., 2007, 30, 6, 868-874, https://doi.org/10.1002/jssc.200600471 . [all data]

Salido, Valenzuela, et al., 2004
Salido, S.; Valenzuela, L.R.; Altarejos, J.; Nogueras, M.; Sánchez, A.; Cano, E., Composition and infraspecific variability of Artemisia herba-alba from southern Spain, Biochem. Syst. Ecol., 2004, 32, 3, 265-277, https://doi.org/10.1016/j.bse.2003.09.002 . [all data]

Salido, Altarejos, et al., 2001
Salido, S.; Altarejos, J.; Nogueras, M.; Sánchez, A., Chemical composition of the essential oil of Artemisia herba-alba Asso ssp. valentina (Lam.) Marcl., J. Essent. Oil Res., 2001, 13, 4, 221-224, https://doi.org/10.1080/10412905.2001.9699675 . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R., Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae), Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962 . [all data]

Zouari, Zouari, et al., 2010
Zouari, S.; Zouari, N.; Fakhfakh, N.; Bougatel, A.; Ayadi, M.A.; Neffati, M., Chemical composition and biological activities of a new essential oil chemotype of Tunisian Artemisia herba alba Asso, J. Medicinal Plants Res., 2010, 4, 10, 871-880. [all data]

Coronel, Cerda-Garcia-Rojas, et al., 2006
Coronel, A. del.C.; Cerda-Garcia-Rojas, C.M.; Joseph-Nathan, P.; Catalán, C.A.N., Chemical composition, seasonal variation and a new sesquiterpene alcohol from the essential oil of Lippia integrifolia, Flavour Fragr. J., 2006, 21, 5, 839-847, https://doi.org/10.1002/ffj.1736 . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

Habu, Flath, et al., 1985
Habu, T.; Flath, R.A.; Mon, T.R.; Morton, J.F., Volatile components of Rooibos tea (Aspalathus linearis), J. Agric. Food Chem., 1985, 33, 2, 249-254, https://doi.org/10.1021/jf00062a024 . [all data]

Nance and Setzer, 2011
Nance, M.R.; Setzer, W.N., Volatile components of aroma hops (Humulus lupulus L.) commonly used in beer brewing, J. of Brewing and Distilling, 2011, 2, 2, 16-22. [all data]

Costa, De Fina, et al., 2008
Costa, R.; De Fina, M.R.; Valentino, M.R.; Rustaiyan, A.; Dugo, P.; Dugo, G.; Mondello, L., An investigation on the volatile composition of some Artemisia species from Iran, Flavour Fragr. J., 2008, 24, 2, 75-82, https://doi.org/10.1002/ffj.1919 . [all data]

Teai, Claude-Lafontaine, et al., 2001
Teai, T.; Claude-Lafontaine, A.; Schippa, C.; Cozzolino, F., Volatile compounds in fresh pulp of pineapple (Ananas comosus [L.] Merr.) from French Polynesia, J. Essent. Oil Res., 2001, 13, 5, 314-318, https://doi.org/10.1080/10412905.2001.9712222 . [all data]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]

Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F . [all data]

Wei, Mura, et al., 2001
Wei, A.; Mura, K.; Shibamoto, T., Antioxidative activity of volatile chemicals extracted from beer, J. Agric. Food Chem., 2001, 49, 8, 4097-4101, https://doi.org/10.1021/jf010325e . [all data]

Notes

Go To: Top, Gas Chromatography, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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