Azulene (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Azulene" in English language version.

Last modified: 15:08:20, 10 September 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

2018doi.org

2^nd place

75nih.gov

5^th place

44adsabs.harvard.edu

14^th place

9^th place

21worldcat.org

4^th place

11umich.edu

429^th place

307^th place

11hdl.handle.net

66^th place

34^th place

11semanticscholar.org

15^th place

8^th place

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Sweet, L. I.; Meier, P. G. (1997). "Lethal and Sublethal Effects of Azulene and Longifolene to Microtox®, Ceriodaphnia dubia, Daphnia magna, and Pimephales promelas" (PDF). Bulletin of Environmental Contamination and Toxicology. 58 (2): 268–274. Bibcode:1997BuECT..58..268S. doi:10.1007/s001289900330. hdl:2027.42/42354. PMID 8975804.
Salter, Carl; Foresman, James B. (1998). "Naphthalene and Azulene I: Semimicro Bomb Calorimetry and Quantum Mechanical Calculations". Journal of Chemical Education. 75 (10): 1341. Bibcode:1998JChEd..75.1341S. doi:10.1021/ed075p1341.
Tétreault, N.; Muthyala, R. S.; Liu, R. S. H.; Steer, R.P. (1999). "Control of the Photophysical Properties of Polyatomic Molecules by Substitution and Solvation: The Second Excited Singlet State of Azulene". Journal of Physical Chemistry A. 103 (15): 2524–31. Bibcode:1999JPCA..103.2524T. doi:10.1021/jp984407q.
Lemal, David M.; Goldman, Glenn D. (1988). "Synthesis of azulene, a blue hydrocarbon". Journal of Chemical Education. 65 (10): 923. Bibcode:1988JChEd..65..923L. doi:10.1021/ed065p923.

doi.org (Global: 2^nd place; English: 2^nd place)

International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 207. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
Sweet, L. I.; Meier, P. G. (1997). "Lethal and Sublethal Effects of Azulene and Longifolene to Microtox®, Ceriodaphnia dubia, Daphnia magna, and Pimephales promelas" (PDF). Bulletin of Environmental Contamination and Toxicology. 58 (2): 268–274. Bibcode:1997BuECT..58..268S. doi:10.1007/s001289900330. hdl:2027.42/42354. PMID 8975804.
Salter, Carl; Foresman, James B. (1998). "Naphthalene and Azulene I: Semimicro Bomb Calorimetry and Quantum Mechanical Calculations". Journal of Chemical Education. 75 (10): 1341. Bibcode:1998JChEd..75.1341S. doi:10.1021/ed075p1341.
Harmon, A. D.; Weisgraber, K. H.; Weiss, U. (1980). "Preformed azulene pigments of Lactarius indigo (Schw.) Fries (Russulaceae, Basidiomycetes)". Experientia. 36: 54–56. doi:10.1007/BF02003967. S2CID 21207966.
Nicholas, Gillian May (1998). Australasian fungi: a natural product study (Thesis). p. 56. doi:10.26021/9162.
Anderson, Arthur G.; Steckler, Bernard M. (1959). "Azulene. VIII. A Study of the Visible Absorption Spectra and Dipole Moments of Some 1- and 1,3-Substituted Azulenes". Journal of the American Chemical Society. 81 (18): 4941–4946. doi:10.1021/ja01527a046.
Michl, Joseph; Thulstrup, E. W. (1976). "Why is azulene blue and anthracene white? A simple mo picture". Tetrahedron. 32 (2): 205. doi:10.1016/0040-4020(76)87002-0.
Tétreault, N.; Muthyala, R. S.; Liu, R. S. H.; Steer, R.P. (1999). "Control of the Photophysical Properties of Polyatomic Molecules by Substitution and Solvation: The Second Excited Singlet State of Azulene". Journal of Physical Chemistry A. 103 (15): 2524–31. Bibcode:1999JPCA..103.2524T. doi:10.1021/jp984407q.
Gordon, Maxwell (1 February 1952). "The Azulenes". Chemical Reviews. 50 (1): 127–200. doi:10.1021/cr60155a004.
St. Pfau, Alexander; Plattner, Pl. A. (1939). "Zur Kenntnis der flüchtigen Pflanzenstoffe VIII. Synthese des Vetivazulens". Helvetica Chimica Acta. 22: 202–208. doi:10.1002/hlca.19390220126.
Hafner, Klaus; Meinhardt, Klaus-Peter (1984). "Azulene". Organic Syntheses. 62: 134. doi:10.15227/orgsyn.062.0134.
Carret, Sébastien; Blanc, Aurélien; Coquerel, Yoann; Berthod, Mikaël; Greene, Andrew E.; Deprés, Jean-Pierre (2005). "Approach to the Blues: A Highly Flexible Route to the Azulenes". Angewandte Chemie International Edition. 44 (32): 5130–5133. doi:10.1002/anie.200501276. PMID 16013070.
Lemal, David M.; Goldman, Glenn D. (1988). "Synthesis of azulene, a blue hydrocarbon". Journal of Chemical Education. 65 (10): 923. Bibcode:1988JChEd..65..923L. doi:10.1021/ed065p923.
Shoji, Taku; Ito, Shunji; Yasunami, Masafumi (1 October 2021). "Synthesis of Azulene Derivatives from 2H-Cyclohepta[b]furan-2-ones as Starting Materials: Their Reactivity and Properties". International Journal of Molecular Sciences. 22 (19) 10686. doi:10.3390/ijms221910686. ISSN 1422-0067. PMC 8509482. PMID 34639027.
Churchill, Melvyn R. (2007). "Transition Metal Complexes of Azulene and Related Ligands". Progress in Inorganic Chemistry. Vol. 11. pp. 53–98. doi:10.1002/9780470166123.ch2. ISBN 978-0-470-16612-3.
Asao, Toyonobu; Shunji Ito; Noboru Morita (1989). "1-Hydroxyazulene and 3-hydroxyguaiazulene: Synthesis and their properties". Tetrahedron Letters. 30 (48): 6693–6696. doi:10.1016/S0040-4039(00)70653-8.
Takase, Kahei; Toyonobu Asao; Yoshikazu Takagi; Tetsuo Nozoe (1968). "Syntheses and some properties of 2- and 6-hydroxyazulenes". Chemical Communications (7): 368b–370. doi:10.1039/C1968000368B.
Yamamura, Kimiaki; Kawabata, Shizuka; Kimura, Takatomo; Eda, Kazuo; Hashimoto, Masao (2005). "Novel Synthesis of Benzalacetone Analogues of Naphth[a]azulenes by Intramolecular Tropylium Ion-Mediated Furan Ring-Opening Reaction and X-ray Investigation of a Naphth[1,2-a]azulene Derivative". The Journal of Organic Chemistry. 70 (22): 8902–6. doi:10.1021/jo051409f. PMID 16238325.

hdl.handle.net (Global: 66^th place; English: 34^th place)

Sweet, L. I.; Meier, P. G. (1997). "Lethal and Sublethal Effects of Azulene and Longifolene to Microtox®, Ceriodaphnia dubia, Daphnia magna, and Pimephales promelas" (PDF). Bulletin of Environmental Contamination and Toxicology. 58 (2): 268–274. Bibcode:1997BuECT..58..268S. doi:10.1007/s001289900330. hdl:2027.42/42354. PMID 8975804.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Sweet, L. I.; Meier, P. G. (1997). "Lethal and Sublethal Effects of Azulene and Longifolene to Microtox®, Ceriodaphnia dubia, Daphnia magna, and Pimephales promelas" (PDF). Bulletin of Environmental Contamination and Toxicology. 58 (2): 268–274. Bibcode:1997BuECT..58..268S. doi:10.1007/s001289900330. hdl:2027.42/42354. PMID 8975804.
Carret, Sébastien; Blanc, Aurélien; Coquerel, Yoann; Berthod, Mikaël; Greene, Andrew E.; Deprés, Jean-Pierre (2005). "Approach to the Blues: A Highly Flexible Route to the Azulenes". Angewandte Chemie International Edition. 44 (32): 5130–5133. doi:10.1002/anie.200501276. PMID 16013070.
Shoji, Taku; Ito, Shunji; Yasunami, Masafumi (1 October 2021). "Synthesis of Azulene Derivatives from 2H-Cyclohepta[b]furan-2-ones as Starting Materials: Their Reactivity and Properties". International Journal of Molecular Sciences. 22 (19) 10686. doi:10.3390/ijms221910686. ISSN 1422-0067. PMC 8509482. PMID 34639027.
Yamamura, Kimiaki; Kawabata, Shizuka; Kimura, Takatomo; Eda, Kazuo; Hashimoto, Masao (2005). "Novel Synthesis of Benzalacetone Analogues of Naphth[a]azulenes by Intramolecular Tropylium Ion-Mediated Furan Ring-Opening Reaction and X-ray Investigation of a Naphth[1,2-a]azulene Derivative". The Journal of Organic Chemistry. 70 (22): 8902–6. doi:10.1021/jo051409f. PMID 16238325.

ncbi.nlm.nih.gov

Shoji, Taku; Ito, Shunji; Yasunami, Masafumi (1 October 2021). "Synthesis of Azulene Derivatives from 2H-Cyclohepta[b]furan-2-ones as Starting Materials: Their Reactivity and Properties". International Journal of Molecular Sciences. 22 (19) 10686. doi:10.3390/ijms221910686. ISSN 1422-0067. PMC 8509482. PMID 34639027.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Harmon, A. D.; Weisgraber, K. H.; Weiss, U. (1980). "Preformed azulene pigments of Lactarius indigo (Schw.) Fries (Russulaceae, Basidiomycetes)". Experientia. 36: 54–56. doi:10.1007/BF02003967. S2CID 21207966.

umich.edu (Global: 429^th place; English: 307^th place)

deepblue.lib.umich.edu

Sweet, L. I.; Meier, P. G. (1997). "Lethal and Sublethal Effects of Azulene and Longifolene to Microtox®, Ceriodaphnia dubia, Daphnia magna, and Pimephales promelas" (PDF). Bulletin of Environmental Contamination and Toxicology. 58 (2): 268–274. Bibcode:1997BuECT..58..268S. doi:10.1007/s001289900330. hdl:2027.42/42354. PMID 8975804.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Shoji, Taku; Ito, Shunji; Yasunami, Masafumi (1 October 2021). "Synthesis of Azulene Derivatives from 2H-Cyclohepta[b]furan-2-ones as Starting Materials: Their Reactivity and Properties". International Journal of Molecular Sciences. 22 (19) 10686. doi:10.3390/ijms221910686. ISSN 1422-0067. PMC 8509482. PMID 34639027.

Azulene (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

doi.org (Global: 2nd place; English: 2nd place)

hdl.handle.net (Global: 66th place; English: 34th place)

nih.gov (Global: 5th place; English: 5th place)