Benzofuran, 2,3-dihydro-
- Formula: C8H8O
- Molecular weight: 120.1485
- IUPAC Standard InChI: InChI=1S/C8H8O/c1-2-4-8-7(3-1)5-6-9-8/h1-4H,5-6H2
- IUPAC Standard InChIKey: HBEDSQVIWPRPAY-UHFFFAOYSA-N
- CAS Registry Number: 496-16-2
- 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: Coumaran; Dihydrobenzofuran; Dihydrocoumarone; Kumaran; 2,3-Dihydrobenzofuran; 2,3-Dihydrobenzofurane; Coumaran (2,3-dihydrobenzofuran)
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -46.5 ± 0.8 | kJ/mol | Ccb | Steele and Chirico, 1990 |
Gas phase ion energetics data
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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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C8H8O+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.65 | PE | Baker, Armen, et al., 1981 | LLK |
| 8.02 | PE | Behan, Dean, et al., 1976 | LLK |
| 8.4 | PE | Baker, Armen, et al., 1981 | Vertical value; LLK |
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, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-1 | 1187. | Wong and Tie, 1993 | He, 35. C @ 5. min, 3. K/min, 200. C @ 20. min; Column length: 50. m; Column diameter: 0.20 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SPB-5 | 1223. | Pino, Marbot, et al., 2004 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
| Capillary | SPB-5 | 1224. | Pino, Marbot, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
| Capillary | DB-1 | 1188. | Coen, Engel, et al., 1995 | 30. m/0.32 mm/0.25 μm, N2, 3. K/min; Tstart: 150. C; Tend: 280. C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1219. | Miyazawa, Marumoto, et al., 2011 | 30. m/0.25 mm/0.25 μm, Helium, 4. K/min, 260. C @ 5. min; Tstart: 40. C |
| Capillary | ZB-5 | 1211. | Harrison and Priest, 2009 | 30. m/0.25 mm/0.25 μm, Helium, 40. C @ 1. min, 6. K/min, 280. C @ 9. min |
| Capillary | Ultra 2 | 1221. | Byun and Shin, 2008 | 50. m/0.20 mm/0.11 μm, Helium, 60. C @ 5. min, 2. K/min, 230. C @ 30. min |
| Capillary | Elite-5MS | 1216. | Tava, Pecetti, et al., 2007 | 30. m/0.32 mm/0.5 μm, He, 40. C @ 5. min, 4. K/min, 280. C @ 10. min |
| Capillary | Polymethylsiloxane, (PMS-20000) | 1207. | Dohou, Yamni, et al., 2005 | He, 50. C @ 3. min, 3. K/min; Column length: 25. m; Column diameter: 0.20 mm; Tend: 250. C |
| Capillary | DB-5 | 1226. | El-Sayed, Heppelthwaite, et al., 2005 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 4. K/min; Tend: 240. C |
| Capillary | SPB-5 | 1224. | Pino, Marbot, et al., 2005 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
| Capillary | SPB-5 | 1226. | Pino, Marbot, et al., 2002, 2 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 2. min, 4. K/min, 250. C @ 20. min |
| Capillary | DB-1 | 1191. | Habu, Flath, et al., 1985 | 3. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1237. | Alissandrakis, Kibaris, et al., 2005 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(3min) => 2C/min => 180C => 10C/min => 250C(5min) |
Lee's RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 175.3 | Shao, Wang, et al., 2006 | 30. m/0.3 mm/0.25 μm, He, 50. C @ 5. min, 5. K/min, 200. C @ 15. min |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele and Chirico, 1990
Steele, W.V.; Chirico, R.D.,
Thermodynamics and the hydrodeoxygenation of 2,3-Benzofuran,
Cooperative Agreement No. FC22-83FE60149 (NIPEP-457), IIT Research Institute, NIPEP, Bartlesville, OK 74005, 1990, 1-75. [all data]
Baker, Armen, et al., 1981
Baker, A.D.; Armen, G.H.; Guang-di, Y.,
Photoelectron spectra of alkyl aryl selenides. Electronic and steric factors in the observation of rotamers,
J. Org. Chem., 1981, 46, 4127. [all data]
Behan, Dean, et al., 1976
Behan, J.M.; Dean, F.M.; Johnstone, R.A.W.,
Photoelectron spectra of cyclic aromatic ethers. The question of the Mills-Nixon effect,
Tetrahedron, 1976, 32, 167. [all data]
Wong and Tie, 1993
Wong, K.C.; Tie, D.Y.,
The Essential Oil of the Leaves of Murraya koenigii Spreng.,
J. Essent. Oil Res., 1993, 5, 4, 371-374, https://doi.org/10.1080/10412905.1993.9698245
. [all data]
Pino, Marbot, et al., 2004
Pino, J.A.; Marbot, R.; Vazquez, C.,
Volatile components of tamarind (Tamarindus indica L.) grown in Cuba,
J. Essent. Oil Res., 2004, 16, 4, 318-320, https://doi.org/10.1080/10412905.2004.9698731
. [all data]
Pino, Marbot, et al., 2002
Pino, J.; Marbot, R.; Rosado, A.,
Volatile constituents of star apple (Chrysophyllum cainito L.) from Cuba,
Flavour Fragr. J., 2002, 17, 5, 401-403, https://doi.org/10.1002/ffj.1116
. [all data]
Coen, Engel, et al., 1995
Coen, M.; Engel, R.; Nahrstedt, A.,
Chavicol β-D-glucoside, a phenylpropanoid heteroside, benzyl-β-D-glucoside and glycosidically bound volatiles from subspecies of Cedronella canariensis,
Phytochemistry, 1995, 40, 1, 149-155, https://doi.org/10.1016/0031-9422(95)00241-X
. [all data]
Miyazawa, Marumoto, et al., 2011
Miyazawa, M.; Marumoto, S.; Kobayashi, T.; Yoshida, S.; Utsumi, Y.,
Determination of characteristic components in essential oils from Wisteria braphybotrys using gas chromatography - olfactometry incremental dilution technique,
Rec. Nat. Prod., 2011, 5, 3, 221-227. [all data]
Harrison and Priest, 2009
Harrison, B.M.; Priest, F.G.,
Composition of peaks used in the preparation of malt for Scotch Whisky production - influence of geographical source and extraction depth,
J. Agric. Food Chem., 2009, 57, 6, 2385-2391, https://doi.org/10.1021/jf803556y
. [all data]
Byun and Shin, 2008
Byun, Y.; Shin, S.,
Analysis of compounds and activity of essential oil from Chrysanthemum zawadskii var. latilobum and C. indicum agaunst antibiotic-resistant pathogenic bacteria,
Nat. Prod. Sci., 2008, 14, 2, 138-142. [all data]
Tava, Pecetti, et al., 2007
Tava, A.; Pecetti, L.; Ricci, M.; Pagnotta, M.A.; Russi, L.,
Volatile compounds from leaves and flowers of Bituminaria bituminosa (L.) Stirt. (Fabaceae) from Italy,
Flavour Fragr. J., 2007, 22, 5, 363-370, https://doi.org/10.1002/ffj.1806
. [all data]
Dohou, Yamni, et al., 2005
Dohou, N.; Yamni, K.; Badoc, A.; Tahrouch, S.; Idrissi Hassani, L.M.; Bessière, J.-M.,
Composés volatils de Thymelaea lythroides, endémique, ibéro-marocaine,
Bull. Soc. Pharm. Bordeaux, 2005, 144, 63-70. [all data]
El-Sayed, Heppelthwaite, et al., 2005
El-Sayed, A.M.; Heppelthwaite, V.J.; Manning, L.M.; Gibb, A.R.; Suckling, D.M.,
Volatile constituents of fermented sugar baits and their attraction to lepidopteran species,
J. Agric. Food Chem., 2005, 53, 4, 953-958, https://doi.org/10.1021/jf048521j
. [all data]
Pino, Marbot, et al., 2005
Pino, J.A.; Marbot, R.; Rosado, A.; Vázquez, C.,
Volatile constituents of genipap (Genipa americana L.) fruit from Cuba,
Flavour Fragr. J., 2005, 20, 6, 583-586, https://doi.org/10.1002/ffj.1491
. [all data]
Pino, Marbot, et al., 2002, 2
Pino, J.A.; Marbot, R.; Vazquez, C.,
Characterization of volatiles in Loquat fruit (Eriobotrya japonica Lindl.),
Revista CENIC Ciencias Quimicas, 2002, 33, 3, 115-119. [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]
Alissandrakis, Kibaris, et al., 2005
Alissandrakis, E.; Kibaris, A.C.; Tarantilis, P.A.; Harizanis, P.C.; Polissiou, M.,
Flavour compounds of Greek cotton honey,
J. Sci. Food Agric., 2005, 85, 9, 1444-1452, https://doi.org/10.1002/jsfa.2124
. [all data]
Shao, Wang, et al., 2006
Shao, X.; Wang, G.; Sun, Y.; Zhang, R.; Xie, K.; Liu, H.,
Determination and Characterization of the Pyrolysis Products of Isoprocarb by GC-MS,
J. Chromatogr. Sci., 2006, 44, 3, 141-147, https://doi.org/10.1093/chromsci/44.3.141
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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