Class information for:
Level 2: BENZOCYCLOBUTENE//O QUINODIMETHANE//ORTHO QUINODIMETHANES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
3695 1116 27.1 47%


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
1 3       CHEMISTRY, ORGANIC//TETRAHEDRON LETTERS//JOURNAL OF ORGANIC CHEMISTRY 237069
3695 2             BENZOCYCLOBUTENE//O QUINODIMETHANE//ORTHO QUINODIMETHANES 1116
14075 1                   O QUINODIMETHANE//ORTHO QUINODIMETHANES//ANGULAR TRIFLUOROMETHYL GROUP 794
27623 1                   BENZOCYCLOBUTENE//INTERCONNECTION TECHNIQUE//WATER ABSORPTIONS 225
35461 1                   ELECTROCHEMICALLY DEPOSITED//BIPHENYLENEVINYLENE DERIVATIVES//GRP DISPOSIT OPTOELECT ORGAN 97

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 BENZOCYCLOBUTENE authKW 374510 3% 37% 37
2 O QUINODIMETHANE authKW 328818 2% 48% 25
3 ORTHO QUINODIMETHANES authKW 171285 1% 52% 12
4 ANGULAR TRIFLUOROMETHYL GROUP authKW 82080 0% 100% 3
5 1 2 BISBROMOMETHYLBENZENE authKW 54720 0% 100% 2
6 1 2 DIPHENYLNAPHTHOB CYCLOBUTENE authKW 54720 0% 100% 2
7 19 19 19 TRIFLUOROSTEROID authKW 54720 0% 100% 2
8 2 3 NAPHTHOQUINODIMETHANE authKW 54720 0% 100% 2
9 INTERCONNECTION TECHNIQUE authKW 54720 0% 100% 2
10 NAPHTHOBCYCLOBUTENES authKW 54720 0% 100% 2

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 12718 48% 0% 536
2 Chemistry, Multidisciplinary 1573 26% 0% 290
3 Polymer Science 831 11% 0% 126
4 Chemistry, Medicinal 17 2% 0% 22
5 Nanoscience & Nanotechnology 12 2% 0% 24
6 Crystallography 11 2% 0% 17
7 Engineering, Manufacturing 10 1% 0% 9
8 Materials Science, Coatings & Films 10 1% 0% 13
9 Materials Science, Multidisciplinary 6 6% 0% 63
10 Electrochemistry 4 1% 0% 13

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 PHARMACOL S TAKATSU KU 54720 0% 100% 2
2 ROUSSEL 54720 0% 100% 2
3 UCLAF 54720 0% 100% 2
4 UNITE MIXTEUMR 26 54720 0% 100% 2
5 CHIM PHYS ANALYT 2 36478 0% 67% 2
6 TEXAS POLYMER 36478 0% 67% 2
7 ALBRECHT VON HALLER PFLANZENWISSENCHAFTEN 27360 0% 100% 1
8 CHEISTRY 27360 0% 100% 1
9 CNRSUNITE CHIM ORGAN ASSOCIEE 27360 0% 100% 1
10 DEV 121 YAKO 27360 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 TETRAHEDRON LETTERS 9509 14% 0% 160
2 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 6743 5% 0% 53
3 JOURNAL OF ORGANIC CHEMISTRY 4438 8% 0% 92
4 TETRAHEDRON 3145 6% 0% 66
5 RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY 2218 1% 1% 11
6 ANALYTICAL INSTRUMENTATION 1563 0% 2% 3
7 CONNOISSEUR 1438 0% 5% 1
8 LIEBIGS ANNALEN DER CHEMIE 1418 1% 0% 13
9 SYNTHETIC COMMUNICATIONS 1268 2% 0% 26
10 CONNAISSANCE DES ARTS 1242 0% 5% 1

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 BENZOCYCLOBUTENE 374510 3% 37% 37 Search BENZOCYCLOBUTENE Search BENZOCYCLOBUTENE
2 O QUINODIMETHANE 328818 2% 48% 25 Search O+QUINODIMETHANE Search O+QUINODIMETHANE
3 ORTHO QUINODIMETHANES 171285 1% 52% 12 Search ORTHO+QUINODIMETHANES Search ORTHO+QUINODIMETHANES
4 ANGULAR TRIFLUOROMETHYL GROUP 82080 0% 100% 3 Search ANGULAR+TRIFLUOROMETHYL+GROUP Search ANGULAR+TRIFLUOROMETHYL+GROUP
5 1 2 BISBROMOMETHYLBENZENE 54720 0% 100% 2 Search 1+2+BISBROMOMETHYLBENZENE Search 1+2+BISBROMOMETHYLBENZENE
6 1 2 DIPHENYLNAPHTHOB CYCLOBUTENE 54720 0% 100% 2 Search 1+2+DIPHENYLNAPHTHOB+CYCLOBUTENE Search 1+2+DIPHENYLNAPHTHOB+CYCLOBUTENE
7 19 19 19 TRIFLUOROSTEROID 54720 0% 100% 2 Search 19+19+19+TRIFLUOROSTEROID Search 19+19+19+TRIFLUOROSTEROID
8 2 3 NAPHTHOQUINODIMETHANE 54720 0% 100% 2 Search 2+3+NAPHTHOQUINODIMETHANE Search 2+3+NAPHTHOQUINODIMETHANE
9 INTERCONNECTION TECHNIQUE 54720 0% 100% 2 Search INTERCONNECTION+TECHNIQUE Search INTERCONNECTION+TECHNIQUE
10 NAPHTHOBCYCLOBUTENES 54720 0% 100% 2 Search NAPHTHOBCYCLOBUTENES Search NAPHTHOBCYCLOBUTENES

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 SEGURA, JL , MARTIN, N , (1999) O-QUINODIMETHANES: EFFICIENT INTERMEDIATES IN ORGANIC SYNTHESIS.CHEMICAL REVIEWS. VOL. 99. ISSUE 11. P. 3199 -3246 131 40% 269
2 MICHELLYS, PY , PELLISSIER, H , SANTELLI, M , (1996) CYCLOADDITIONS OF ORTHO-QUINODIMETHANES DERIVED FROM BENZOCYCLOBUTENES IN ORGANIC SYNTHESIS. A REVIEW.ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL. VOL. 28. ISSUE 5. P. 545-& 79 56% 26
3 SADANA, AK , SAINI, RK , BILLUPS, WE , (2003) CYCLOBUTARENES AND RELATED COMPOUNDS.CHEMICAL REVIEWS. VOL. 103. ISSUE 4. P. 1539-1602 107 28% 90
4 BEDFORD, SB , BEGLEY, MJ , CORNWALL, P , FOREMAN, JP , KNIGHT, DW , (1996) AMBIENT TEMPERATURE METHOD FOR THE GENERATION AND DIELS-ALDER TRAPPING OF BENZOFURAN-2,3-QUINODIMETHANE (2,3-DIMETHYLIDENE-2,3-DIHYDROBENZOFURAN).JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1. VOL. . ISSUE 23. P. 2827-2832 54 77% 7
5 NEMOTO, H , FUKUMOTO, K , (1998) SECOND GENERATION OF STEROID SYNTHESIS VIA O-QUINODIMETHANE.TETRAHEDRON. VOL. 54. ISSUE 21. P. 5425 -5464 65 46% 50
6 ZHENG, RS , ZHU, SF , (2014) APPLICATION OF O-QUINODIMETHANES IN ORGANIC SYNTHESIS.CHINESE JOURNAL OF ORGANIC CHEMISTRY. VOL. 34. ISSUE 7. P. 1322 -1339 37 54% 2
7 JOUVE, K , PAUTET, F , DOMARD, M , FILLION, H , (1998) GENERATION AND DIELS-ALDER TRAPPING OF 4,5-BIS(BROMOMETHYLENE)-4,5-DIHYDROTHIAZOLE.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 9. P. 2047-2050 34 81% 2
8 MEHTA, G , KOTHA, S , (2001) RECENT CHEMISTRY OF BENZOCYCLOBUTENES.TETRAHEDRON. VOL. 57. ISSUE 4. P. 625 -659 59 35% 70
9 KO, CW , CHOU, TS , (1998) PREPARATION AND REACTIONS OF BENZOFURANO-, INDOLO-, AND BENZOTHIENO-3-SULFOLENES.JOURNAL OF ORGANIC CHEMISTRY. VOL. 63. ISSUE 14. P. 4645-4653 31 76% 11
10 GROEN, MB , ZEELEN, FJ , (1986) STEROID TOTAL SYNTHESIS.RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY. VOL. 105. ISSUE 11. P. 465-487 65 55% 43

Classes with closest relation at Level 2


Rank Class id link
1 3131 PSEUDOLARIC ACID B//OXYALLYL CATION//PSEUDOLARIX KAEMPFERI
2 1738 BRASSINOSTEROIDS//24 EPIBRASSINOLIDE//BRASSINOLIDE
3 2856 ARYNES//ENEDIYNE//NEOCARZINOSTATIN
4 2537 NAZAROV REACTION//NAZAROV CYCLIZATION//YNOLATES
5 1140 LIVERWORTS//HEPATICAE//CHEMISTRY, ORGANIC
6 1908 CHEMISTRY, ORGANIC//DTBB CATALYSED LITHIATION//SPARTEINE
7 3978 2 2 SULFONYLBIS1 3 DIARYLPROP 2 EN 1 ONES//1H ISOTHIOCHROMEN 43H ONE 2 2 DIOXIDE//2 2 THIOBIS1 3 DIARYLPROP 2 EN 1 ONES
8 3512 CENTCHROMAN//QUINONE METHIDE//O QUINONE METHIDE
9 922 PATERNO BUCHI REACTION//CAGED COMPOUNDS//PHOTOCHEMISTRY
10 2252 ANGUCYCLINE//IDARUBICIN//ANGUCYCLINONE

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