Class information for:
Level 1: O QUINODIMETHANE//ORTHO QUINODIMETHANES//ANGULAR TRIFLUOROMETHYL GROUP

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
14075 794 29.0 46%


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

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 O QUINODIMETHANE authKW 266951 2% 37% 19
2 ORTHO QUINODIMETHANES authKW 240758 2% 52% 12
3 ANGULAR TRIFLUOROMETHYL GROUP authKW 115369 0% 100% 3
4 1 2 BISBROMOMETHYLBENZENE authKW 76912 0% 100% 2
5 1 2 DIPHENYLNAPHTHOB CYCLOBUTENE authKW 76912 0% 100% 2
6 19 19 19 TRIFLUOROSTEROID authKW 76912 0% 100% 2
7 2 3 NAPHTHOQUINODIMETHANE authKW 76912 0% 100% 2
8 NAPHTHOBCYCLOBUTENES authKW 76912 0% 100% 2
9 NAPHTHOSULTINE authKW 76912 0% 100% 2
10 PHARMACOL S TAKATSU KU address 76912 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 16583 64% 0% 511
2 Chemistry, Multidisciplinary 1658 31% 0% 245
3 Chemistry, Medicinal 35 3% 0% 22
4 Crystallography 4 1% 0% 10
5 Chemistry, Inorganic & Nuclear 0 1% 0% 11
6 Education, Scientific Disciplines 0 0% 0% 2
7 Pharmacology & Pharmacy -1 3% 0% 20
8 Chemistry, Applied -1 1% 0% 4
9 Engineering, General -1 0% 0% 2
10 Endocrinology & Metabolism -1 1% 0% 7

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 76912 0% 100% 2
2 ROUSSEL 76912 0% 100% 2
3 UCLAF 76912 0% 100% 2
4 UNITE MIXTEUMR 26 76912 0% 100% 2
5 CHIM PHYS ANALYT 2 51274 0% 67% 2
6 ALBRECHT VON HALLER PFLANZENWISSENCHAFTEN 38456 0% 100% 1
7 CHEISTRY 38456 0% 100% 1
8 CNRSUNITE CHIM ORGAN ASSOCIEE 38456 0% 100% 1
9 DEV 121 YAKO 38456 0% 100% 1
10 IFR53 BIOMOL ISOLEMENT STRUCT TRANSFORMAT S 38456 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 13323 20% 0% 159
2 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 8812 6% 0% 51
3 JOURNAL OF ORGANIC CHEMISTRY 5766 11% 0% 88
4 TETRAHEDRON 4202 8% 0% 64
5 RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY 3127 1% 1% 11
6 LIEBIGS ANNALEN DER CHEMIE 2003 2% 0% 13
7 SYNTHETIC COMMUNICATIONS 1284 3% 0% 22
8 JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS 1269 3% 0% 24
9 HETEROCYCLES 1024 2% 0% 19
10 CONTEMPORARY ORGANIC SYNTHESIS 799 0% 2% 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 O QUINODIMETHANE 266951 2% 37% 19 Search O+QUINODIMETHANE Search O+QUINODIMETHANE
2 ORTHO QUINODIMETHANES 240758 2% 52% 12 Search ORTHO+QUINODIMETHANES Search ORTHO+QUINODIMETHANES
3 ANGULAR TRIFLUOROMETHYL GROUP 115369 0% 100% 3 Search ANGULAR+TRIFLUOROMETHYL+GROUP Search ANGULAR+TRIFLUOROMETHYL+GROUP
4 1 2 BISBROMOMETHYLBENZENE 76912 0% 100% 2 Search 1+2+BISBROMOMETHYLBENZENE Search 1+2+BISBROMOMETHYLBENZENE
5 1 2 DIPHENYLNAPHTHOB CYCLOBUTENE 76912 0% 100% 2 Search 1+2+DIPHENYLNAPHTHOB+CYCLOBUTENE Search 1+2+DIPHENYLNAPHTHOB+CYCLOBUTENE
6 19 19 19 TRIFLUOROSTEROID 76912 0% 100% 2 Search 19+19+19+TRIFLUOROSTEROID Search 19+19+19+TRIFLUOROSTEROID
7 2 3 NAPHTHOQUINODIMETHANE 76912 0% 100% 2 Search 2+3+NAPHTHOQUINODIMETHANE Search 2+3+NAPHTHOQUINODIMETHANE
8 NAPHTHOBCYCLOBUTENES 76912 0% 100% 2 Search NAPHTHOBCYCLOBUTENES Search NAPHTHOBCYCLOBUTENES
9 NAPHTHOSULTINE 76912 0% 100% 2 Search NAPHTHOSULTINE Search NAPHTHOSULTINE
10 TORGOV REAGENT 76912 0% 100% 2 Search TORGOV+REAGENT Search TORGOV+REAGENT

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 120 37% 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-& 77 54% 26
3 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
4 SADANA, AK , SAINI, RK , BILLUPS, WE , (2003) CYCLOBUTARENES AND RELATED COMPOUNDS.CHEMICAL REVIEWS. VOL. 103. ISSUE 4. P. 1539-1602 98 26% 90
5 NEMOTO, H , FUKUMOTO, K , (1998) SECOND GENERATION OF STEROID SYNTHESIS VIA O-QUINODIMETHANE.TETRAHEDRON. VOL. 54. ISSUE 21. P. 5425 -5464 64 46% 50
6 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
7 ZHENG, RS , ZHU, SF , (2014) APPLICATION OF O-QUINODIMETHANES IN ORGANIC SYNTHESIS.CHINESE JOURNAL OF ORGANIC CHEMISTRY. VOL. 34. ISSUE 7. P. 1322 -1339 34 49% 2
8 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
9 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
10 SHIRAKAWA, H , SANO, H , (2014) 2-[(TRIMETHYLSILYL)METHYL]BENZYL METHANESULFONATES: USEFUL PRECURSORS FOR THE GENERATION OF O-QUINODIMETHANES.SYNTHESIS-STUTTGART. VOL. 46. ISSUE 13. P. 1788 -1792 15 88% 1

Classes with closest relation at Level 1


Rank Class id link
1 27623 BENZOCYCLOBUTENE//INTERCONNECTION TECHNIQUE//WATER ABSORPTIONS
2 24051 PENTACYCLIC STEROIDS//IMIDE REDUCTION//13 16 DIAZASTEROIDS
3 21745 3 SULFOLENES//PUMMERER TYPE REACTION INTERMEDIATE//SULFUR SUBSTITUTED DIENES
4 25388 RONGALITE//DIVERSITY ORIENTED APPROACH//BENZOCTAMINE
5 20093 MOL ARCHITECTURE//LACTONAMYCIN//ISOBENZOFURAN
6 25736 4 AMINOBICYCLO222OCTANE DERIVATIVES//3 AZABICYCLO322NONANES//INTRAMOLECULAR DOUBLE MICHAEL REACTION
7 35461 ELECTROCHEMICALLY DEPOSITED//BIPHENYLENEVINYLENE DERIVATIVES//GRP DISPOSIT OPTOELECT ORGAN
8 21873 UNSATURATED ORGANOSILANE//SQUARIC ACID//CYCLOBUTENEDIONES
9 32161 PYRAZINONE//ISOPROPYLHYDRAZINE//21H PYRAZINONES
10 30293 FLOW VACUUM PYROLYSIS//CD NENITZESCU ORGAN CHEM//DIBENZOCYCLOALKANOLS

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