Class information for:
Level 1: AZULENE//GUAIAZULENE//DIHYDROAZULENE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7492 1362 26.8 50%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
5 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1745167
490 3       FERROCENE//AROMATICITY//CYCLOPHANES 23017
584 2             AROMATICITY//CYCLOPHANES//HELICENES 14208
7492 1                   AZULENE//GUAIAZULENE//DIHYDROAZULENE 1362

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 AZULENE authKW 1958000 11% 57% 153
2 GUAIAZULENE authKW 360801 2% 62% 26
3 DIHYDROAZULENE authKW 270614 1% 93% 13
4 ORGAN CHEM CD NENITZESCU address 206129 3% 24% 38
5 VINYLHEPTAFULVENE authKW 179343 1% 100% 8
6 AZAAZULENE authKW 159414 1% 89% 8
7 SYNTH PLICAT FUNCT COMPOUND address 156925 1% 100% 7
8 TOKYO S OHTA KU address 156925 1% 100% 7
9 HETEROAZULENE authKW 137308 1% 88% 7
10 2H CYCLOHEPTABFURAN 2 ONE authKW 134507 0% 100% 6

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Chemistry, Organic 13280 45% 0% 607
2 Chemistry, Multidisciplinary 6214 44% 0% 598
3 Materials Science, Textiles 103 1% 0% 14
4 Chemistry, Medicinal 14 2% 0% 24
5 Crystallography 7 1% 0% 18
6 Education, Scientific Disciplines 7 1% 0% 8
7 Engineering, Chemical 5 2% 0% 32
8 Spectroscopy 2 1% 0% 14
9 Chemistry, Applied 2 1% 0% 16
10 Chemistry, Physical 1 4% 0% 58

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ORGAN CHEM CD NENITZESCU 206129 3% 24% 38
2 SYNTH PLICAT FUNCT COMPOUND 156925 1% 100% 7
3 TOKYO S OHTA KU 156925 1% 100% 7
4 LIAONING SYNTH PLICAT FUNCT COMPOUND 117979 1% 53% 10
5 EXPLOITAT SOLAR ENERGY 84492 1% 54% 7
6 LIAONING PLE CHEM 67254 0% 100% 3
7 TOKYO S SUMIDA KU 64608 1% 41% 7
8 JIAMUSI 54915 1% 35% 7
9 TOHWA ORIENT STUDIES 44832 0% 50% 4
10 ADV MAT STUDY 86 KASUGA KOEN 40350 0% 60% 3

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 HETEROCYCLES 46930 12% 1% 166
2 BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 19406 9% 1% 125
3 HELVETICA CHIMICA ACTA 15223 6% 1% 77
4 CHEMISTRY LETTERS 5747 6% 0% 77
5 CHEMISCHE BERICHTE-RECUEIL 5336 3% 1% 37
6 TETRAHEDRON LETTERS 3456 8% 0% 108
7 NIPPON KAGAKU KAISHI 2863 2% 1% 25
8 TETRAHEDRON 2634 5% 0% 67
9 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY 2047 2% 0% 34
10 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 1739 2% 0% 30

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 AZULENE 1958000 11% 57% 153 Search AZULENE Search AZULENE
2 GUAIAZULENE 360801 2% 62% 26 Search GUAIAZULENE Search GUAIAZULENE
3 DIHYDROAZULENE 270614 1% 93% 13 Search DIHYDROAZULENE Search DIHYDROAZULENE
4 VINYLHEPTAFULVENE 179343 1% 100% 8 Search VINYLHEPTAFULVENE Search VINYLHEPTAFULVENE
5 AZAAZULENE 159414 1% 89% 8 Search AZAAZULENE Search AZAAZULENE
6 HETEROAZULENE 137308 1% 88% 7 Search HETEROAZULENE Search HETEROAZULENE
7 2H CYCLOHEPTABFURAN 2 ONE 134507 0% 100% 6 Search 2H+CYCLOHEPTABFURAN+2+ONE Search 2H+CYCLOHEPTABFURAN+2+ONE
8 ETHYNYLAZULENES 134507 0% 100% 6 Search ETHYNYLAZULENES Search ETHYNYLAZULENES
9 POLYAZULENE 130427 1% 73% 8 Search POLYAZULENE Search POLYAZULENE
10 AZULENEQUINONE 122050 1% 78% 7 Search AZULENEQUINONE Search AZULENEQUINONE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 NAIR, V , ABHILASH, KG , (2008) [8+2] CYCLOADDITION REACTIONS IN ORGANIC SYNTHESIS.SYNLETT. VOL. . ISSUE 3. P. 301-312 60 86% 11
2 SHOJI, T , MARUYAMA, A , MARUYAMA, M , ITO, S , OKUJIMA, T , HIGASHI, J , TOYOTA, K , MORITA, N , (2014) SYNTHESIS AND PROPERTIES OF 6-METHOXY- AND 6-DIMETHYLAMINO-1-METHYLTHIO- AND 1,3-BIS(METHYLTHIO)AZULENES AND TRIFLIC ANHYDRIDE-MEDIATED SYNTHESIS OF THEIR BIARYL DERIVATIVES.BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. VOL. 87. ISSUE 1. P. 141 -154 40 91% 2
3 LEWIS, SE , COWPER, P , JIN, Y , TURTON, MD , KOCIOK-KOHN, G , (2016) AZULENESULFONIUM SALTS: ACCESSIBLE, STABLE, AND VERSATILE REAGENTS FOR CROSS-COUPLING.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 55. ISSUE 7. P. 2564 -2568 44 66% 3
4 FISCHER, G , (2009) AZULENES FUSED TO HETEROCYCLES.ADVANCES IN HETEROCYCLIC CHEMISTRY, VOL 97. VOL. 97. ISSUE . P. 131-218 51 70% 8
5 BROMAN, SL , NIELSEN, MB , (2014) DIHYDROAZULENE: FROM CONTROLLING PHOTOCHROMISM TO MOLECULAR ELECTRONICS DEVICES.PHYSICAL CHEMISTRY CHEMICAL PHYSICS. VOL. 16. ISSUE 39. P. 21172 -21182 34 83% 10
6 TAKENAGA, N , FUKAZAWA, K , MARUKO, M , SATO, K , (2015) FACILE SYNTHESIS OF GUAIAZULENE-HETEROCYCLE HYBRIDS VIA UGI MULTICOMPONENT REACTIONS.HETEROCYCLES. VOL. 90. ISSUE 1. P. 113 -120 38 78% 0
7 SHOJI, T , MIYASHITA, K , ARAKI, T , TANAKA, M , MARUYAMA, A , SEKIGUCHI, R , ITO, S , OKUJIMA, T , (2016) SYNTHESIS OF 1,2 '-BIAZULENES BY PALLADIUM-CATALYZED UNUSUAL HOMOCOUPLING REACTION OF 1-HALOAZULENES IN THE PRESENCE OF FERROCENE.SYNTHESIS-STUTTGART. VOL. 48. ISSUE 15. P. 2438 -2448 35 81% 0
8 TAKEKUMA, SI , SONODA, K , MINEMATSU, T , TAKEKUMA, H , (2008) AN EFFICIENT PREPARATION AND SPECTROSCOPIC AND ELECTROCHEMICAL PROPERTIES OF QUINODIMETHANE DERIVATIVES WITH FOUR 3-(METHOXYCARBONYL)AZULEN-1-YL GROUPS.TETRAHEDRON. VOL. 64. ISSUE 17. P. 3802 -3812 34 97% 8
9 ITO, S , SHOJI, T , MORITA, N , (2011) RECENT ADVANCES IN THE DEVELOPMENT OF METHODS FOR THE PREPARATION OF FUNCTIONALIZED AZULENES FOR ELECTROCHROMIC APPLICATIONS.SYNLETT. VOL. . ISSUE 16. P. 2279 -2298 43 63% 14
10 TAKEKUMA, S , SEKI, A , MINEMATSU, T , (2014) A FACILE PREPARATION, CHARACTERISTIC PROPERTIES, AND CRYSTAL STRUCTURE OF {4-[(E)-2-(3-GUAIAZULENYL)DIAZENYL]PHENYL}(3-GUAIAZULENYL)METHYLIUM HEXAFLUOROPHOSPHATE.BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. VOL. 87. ISSUE 4. P. 511 -527 29 91% 1

Classes with closest relation at Level 1


Rank Class id link
1 28367 GLOBAL EDGE//ELE OCHIM CHIM PHYS CORPS SOLIDE//CHIM ELE OCHIM CHIM PHYS CORPS SOLID
2 18248 SCI CHEM GOFU KU//ENGN IND CHEM GOFU KU//CYCLOHEPTATRIENE NORCARADIENE EQUILIBRIUM
3 35231 2 7 DISUBSTITUTED 1 6 METHANO10ANNULENES//2 7 METHANOAZA10ANNULENE DERIVATIVE//2 AMINO 1 6 METHANO10ANNULENE
4 27506 TROPONOID LIQUID CRYSTALS//TOHWA ORIENTAL SCI//ADV MAT STUDY
5 22631 PENTAFULVENES//OXIDOPYRYLIUM BETAINES//FULVENE
6 37118 UNSATURATED BETA KETOESTERS//1 3 CYCLOHEXANEDIONE YLIDE//1 TRIPHENYLPHOSPHORANYLIDENEPENTANE 2 4 DIONE
7 22945 CYCLOPROPARENES//4 METHYLURAZOLE//AROMATICITY DEFECT
8 19812 DIAGNOST THER EUT SCI//DENT PHARMACOL//ORAL TUMOR CELLS
9 22456 PARATUS//PHOSPORESCENCE//1 3 DIAZAAZULENE
10 25079 TRIPTYCENE//ANTI CANC DRUG//HOMOTRIPTYCENE

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