Class information for:
Level 1: HELICENES//HETEROHELICENE//AZAHELICENES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
12345 913 43.7 65%


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
12345 1                   HELICENES//HETEROHELICENE//AZAHELICENES 913

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 HELICENES authKW 2987709 15% 67% 133
2 HETEROHELICENE authKW 468210 2% 100% 14
3 AZAHELICENES authKW 385580 2% 82% 14
4 THIAHELICENES authKW 234105 1% 100% 7
5 SYNTH ORGAN ASYMETR CATALYSE HOMOGENE O1UR1 address 214036 1% 80% 8
6 IUMSC address 159245 1% 48% 10
7 HELICAL STRUCTURES authKW 148391 8% 6% 74
8 PHOTODEHYDROCYCLISATION authKW 133774 0% 100% 4
9 THIAHETEROHELICENE authKW 133774 0% 100% 4
10 PHOTOCYCLIZATION authKW 118321 3% 14% 26

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 6769 39% 0% 357
2 Chemistry, Multidisciplinary 3945 43% 0% 391
3 Chemistry, Physical 219 13% 0% 121
4 Physics, Atomic, Molecular & Chemical 91 5% 0% 48
5 Crystallography 80 3% 0% 29
6 Chemistry, Inorganic & Nuclear 50 4% 0% 34
7 Chemistry, Medicinal 9 2% 0% 16
8 Materials Science, Textiles 9 0% 0% 4
9 Chemistry, Analytical 6 3% 0% 25
10 Polymer Science 1 2% 0% 16

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 SYNTH ORGAN ASYMETR CATALYSE HOMOGENE O1UR1 214036 1% 80% 8
2 IUMSC 159245 1% 48% 10
3 UMR 6226UMR 6251 100331 0% 100% 3
4 CHIROSCI UMR 6263 76439 0% 57% 4
5 ASYMMETR ORGAN SYNTH HOMOGENOUS CATALYSIS 66887 0% 100% 2
6 CNRSUMR 6226UMR 6251 66887 0% 100% 2
7 SCI CHIM RENNESUMR 6226UMR 6251 66887 0% 100% 2
8 UMR 6226UMR 6251CNRS 66887 0% 100% 2
9 UR11ES56 66887 0% 100% 2
10 ASYMMETR ORGAN SYNTH HOMOGENOUS CATALYSIS U 33444 0% 100% 1

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 CHEMISTRY-A EUROPEAN JOURNAL 4599 6% 0% 57
2 JOURNAL OF ORGANIC CHEMISTRY 4324 9% 0% 82
3 BULLETIN DES SOCIETES CHIMIQUES BELGES 2519 1% 1% 13
4 RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY 2243 1% 1% 10
5 ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 2182 6% 0% 51
6 METHODS AND APPLICATIONS IN FLUORESCENCE 2160 0% 2% 3
7 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY 2084 3% 0% 28
8 TETRAHEDRON LETTERS 1626 7% 0% 61
9 ORGANIC LETTERS 1474 4% 0% 34
10 ADVANCES IN HETEROCYCLIC CHEMISTRY 1458 0% 1% 4

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 HELICENES 2987709 15% 67% 133 Search HELICENES Search HELICENES
2 HETEROHELICENE 468210 2% 100% 14 Search HETEROHELICENE Search HETEROHELICENE
3 AZAHELICENES 385580 2% 82% 14 Search AZAHELICENES Search AZAHELICENES
4 THIAHELICENES 234105 1% 100% 7 Search THIAHELICENES Search THIAHELICENES
5 HELICAL STRUCTURES 148391 8% 6% 74 Search HELICAL+STRUCTURES Search HELICAL+STRUCTURES
6 PHOTODEHYDROCYCLISATION 133774 0% 100% 4 Search PHOTODEHYDROCYCLISATION Search PHOTODEHYDROCYCLISATION
7 THIAHETEROHELICENE 133774 0% 100% 4 Search THIAHETEROHELICENE Search THIAHETEROHELICENE
8 PHOTOCYCLIZATION 118321 3% 14% 26 Search PHOTOCYCLIZATION Search PHOTOCYCLIZATION
9 6HELICENE 107018 0% 80% 4 Search 6HELICENE Search 6HELICENE
10 HELICENE VIOLOGEN HYBRID 100331 0% 100% 3 Search HELICENE+VIOLOGEN+HYBRID Search HELICENE+VIOLOGEN+HYBRID

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 SHEN, Y , CHEN, CF , (2012) HELICENES: SYNTHESIS AND APPLICATIONS.CHEMICAL REVIEWS. VOL. 112. ISSUE 3. P. 1463 -1535 284 66% 278
2 GINGRAS, M , (2013) ONE HUNDRED YEARS OF HELICENE CHEMISTRY. PART 1: NON-STEREOSELECTIVE SYNTHESES OF CARBOHELICENES.CHEMICAL SOCIETY REVIEWS. VOL. 42. ISSUE 3. P. 968-1006 108 59% 146
3 GINGRAS, M , FELIX, G , PERESUTTI, R , (2013) ONE HUNDRED YEARS OF HELICENE CHEMISTRY. PART 2: STEREOSELECTIVE SYNTHESES AND CHIRAL SEPARATIONS OF CARBOHELICENES.CHEMICAL SOCIETY REVIEWS. VOL. 42. ISSUE 3. P. 1007-1050 81 73% 125
4 GINGRAS, M , (2013) ONE HUNDRED YEARS OF HELICENE CHEMISTRY. PART 3: APPLICATIONS AND PROPERTIES OF CARBOHELICENES.CHEMICAL SOCIETY REVIEWS. VOL. 42. ISSUE 3. P. 1051-1095 106 51% 154
5 PRATAP, R , KUMAR, A , PICK, R , HUCH, V , RAM, VJ , (2012) METAL-FREE SYNTHESIS OF NITRILE BASED PARTIALLY REDUCED THIA-AND OXA-THIA[5] HELICENES: CONFORMATION AND DYNAMICS.RSC ADVANCES. VOL. 2. ISSUE 4. P. 1557 -1564 84 89% 1
6 ADRIAENSSENS, L , SEVERA, L , KOVAL, D , CISAROVA, I , BELMONTE, MM , ESCUDERO-ADAN, EC , NOVOTNA, P , SAZELOVA, P , VAVRA, J , POHL, R , ET AL (2011) [6]SADDLEQUAT: A [6]HELQUAT CAPTURED ON ITS RACEMIZATION PATHWAY.CHEMICAL SCIENCE. VOL. 2. ISSUE 12. P. 2314 -2320 94 78% 5
7 HOFFMANN, N , (2014) PHOTOCHEMICAL REACTIONS APPLIED TO THE SYNTHESIS OF HELICENES AND HELICENE-LIKE COMPOUNDS.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS. VOL. 19. ISSUE . P. 1 -19 90 63% 18
8 LIN, W , DOU, GL , HU, MH , CAO, CP , HUANG, ZB , SHI, DQ , (2013) FACILE, EFFICIENT, AND DIASTEREOSELECTIVE SYNTHESIS OF HETEROHELICENE-LIKE MOLECULES.ORGANIC LETTERS. VOL. 15. ISSUE 6. P. 1238 -1241 71 87% 5
9 LICANDRO, E , CAUTERUCCIO, S , DOVA, D , (2016) THIAHELICENES: FROM BASIC KNOWLEDGE TO APPLICATIONS.ADVANCES IN HETEROCYCLIC CHEMISTRY, VOL 118. VOL. 118. ISSUE . P. 1 -46 65 84% 1
10 WALLABREGUE, A , SHERIN, P , GUIN, J , BESNARD, C , VAUTHEY, E , LACOUR, J , (2014) MODULAR SYNTHESIS OF PH-SENSITIVE FLUORESCENT DIAZA[4]HELICENES.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 29. P. 6431 -6438 71 81% 4

Classes with closest relation at Level 1


Rank Class id link
1 27316 TETRAPHENYLENE//CYCLOOCTATETRATHIOPHENE//SHENZHEN NOVEL FUNCT MOL
2 18964 HELICAL POLYACETYLENE//CIRCULARLY POLARIZED LUMINESCENCE CPL//CHIRAL INDUCER
3 37290 BENZODIFURANS//2 2 THIENYL 1H ACENAPHTHO1 2 D IMIDAZOLE//2 2 THIENYL PHENANTHRO9 10 DIMIDAZOLE
4 18620 THREE COUPLED OSCILLATOR MODEL//CHIRAL MOLECULAR MEDIUM//TDHF PM3
5 14024 CORANNULENE//BUCKYBOWLS//SUMANENE
6 26413 UPR CINAM 3118//1 2 4 5 TETRAKISPHENYLSELENOBENZENE//1 2 DISUBSTITUTED 3 4 5 6 TETRAETHYLBENZENES
7 12893 FOLDAMERS//AROMATIC AMIDE//EUROPEEN CHIM BIOL
8 28100 NPHENYLENES//NON ALTERNANT HYDROCARBON POLARITY//NORGRAPHS
9 10079 BINAPHTHOL//ENGN BIOCHEM ENGN AOBA KU//ASYMMETRIC OXIDATIVE COUPLING
10 29226 1 2 3 4 DIEPOXY 1 4 DIMETHYL 1 2 3 4 TETRAHYDROANTHRACENES//1 2 3 4 TETRAMETHYLANTHRACENES//1 2 3 4 TETRAMETHYLNAPHTHALENE

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