Class information for:
Level 1: PENTAFULVENES//OXIDOPYRYLIUM BETAINES//FULVENE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
22631 374 26.4 39%


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
803 2             DIAZO COMPOUNDS//CHEMISTRY, ORGANIC//CYCLOPROPANES 12060
22631 1                   PENTAFULVENES//OXIDOPYRYLIUM BETAINES//FULVENE 374

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 PENTAFULVENES authKW 367392 2% 50% 9
2 OXIDOPYRYLIUM BETAINES authKW 326578 1% 100% 4
3 FULVENE authKW 276590 6% 14% 24
4 1 2 DIHYDROPENTALENE authKW 244934 1% 100% 3
5 2 3 6 TRIOXYPENTAFULVENES authKW 244934 1% 100% 3
6 ALKYLIDENE CYCLOPENTENES authKW 163289 1% 100% 2
7 BICYCLO222OCTENE DIONES authKW 163289 1% 100% 2
8 63 CYCLOADDITION authKW 108858 1% 67% 2
9 1 2 CYCLIC DIKETONES authKW 81645 0% 100% 1
10 1 4 YNEDIONE authKW 81645 0% 100% 1

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 3007 41% 0% 152
2 Chemistry, Multidisciplinary 1613 43% 0% 160
3 Crystallography 307 8% 0% 31
4 Chemistry, Inorganic & Nuclear 3 2% 0% 8
5 Polymer Science 2 2% 0% 8
6 Spectroscopy 0 1% 0% 3
7 Chemistry, Physical -0 4% 0% 14
8 Chemistry, Analytical -0 2% 0% 6
9 Electrochemistry -0 1% 0% 2
10 Engineering, Chemical -0 1% 0% 5

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 ADV ENERGY MAT NANOTECHNOL 81645 0% 100% 1
2 ANALYT IND AREA 81645 0% 100% 1
3 CETS QUIM SARRIA QUIMIOMETRIA 81645 0% 100% 1
4 CHIM MET TRANSIT EQUIPE RECH 608 81645 0% 100% 1
5 CHIM MOL REIMS CNRS UMR 7312 81645 0% 100% 1
6 LUNDBERG BIOCHEM BIOPHYS 81645 0% 100% 1
7 QUIMIOMETRIA SECC MATEMAT ESTADIST 81645 0% 100% 1
8 SERV GEN RMN 81645 0% 100% 1
9 UMRUFR SCI 81645 0% 100% 1
10 UNITE CHIM PHYS CRYSTALLOG 81645 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 HELVETICA CHIMICA ACTA 19035 12% 1% 45
2 CHIMIA 11206 5% 1% 20
3 TETRAHEDRON LETTERS 1937 11% 0% 42
4 TETRAHEDRON 1704 7% 0% 28
5 AFINIDAD 1077 1% 0% 5
6 ANALES DE QUIMICA-INTERNATIONAL EDITION 1016 1% 0% 3
7 ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS 945 3% 0% 11
8 CHEMISCHE BERICHTE-RECUEIL 905 2% 0% 8
9 JOURNAL OF ORGANIC CHEMISTRY 891 6% 0% 24
10 SYNTHESIS-STUTTGART 536 3% 0% 10

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 PENTAFULVENES 367392 2% 50% 9 Search PENTAFULVENES Search PENTAFULVENES
2 OXIDOPYRYLIUM BETAINES 326578 1% 100% 4 Search OXIDOPYRYLIUM+BETAINES Search OXIDOPYRYLIUM+BETAINES
3 FULVENE 276590 6% 14% 24 Search FULVENE Search FULVENE
4 1 2 DIHYDROPENTALENE 244934 1% 100% 3 Search 1+2+DIHYDROPENTALENE Search 1+2+DIHYDROPENTALENE
5 2 3 6 TRIOXYPENTAFULVENES 244934 1% 100% 3 Search 2+3+6+TRIOXYPENTAFULVENES Search 2+3+6+TRIOXYPENTAFULVENES
6 ALKYLIDENE CYCLOPENTENES 163289 1% 100% 2 Search ALKYLIDENE+CYCLOPENTENES Search ALKYLIDENE+CYCLOPENTENES
7 BICYCLO222OCTENE DIONES 163289 1% 100% 2 Search BICYCLO222OCTENE+DIONES Search BICYCLO222OCTENE+DIONES
8 63 CYCLOADDITION 108858 1% 67% 2 Search 63+CYCLOADDITION Search 63+CYCLOADDITION
9 1 2 CYCLIC DIKETONES 81645 0% 100% 1 Search 1+2+CYCLIC+DIKETONES Search 1+2+CYCLIC+DIKETONES
10 1 4 YNEDIONE 81645 0% 100% 1 Search 1+4+YNEDIONE Search 1+4+YNEDIONE

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 NEUENSCHWANDER, M , (2015) LOW-TEMPERATURE OLEFIN SYNTHESES IN VIEW OF PARENT FULVENES AND FULVALENES.HELVETICA CHIMICA ACTA. VOL. 98. ISSUE 6. P. 731 -762 24 86% 1
2 NEUENSCHWANDER, M , (2015) SUBSTITUENT EFFECTS ON PI-BOND DELOCALIZATION OF FULVENES AND FULVALENES. ARE FULVENES AROMATIC?.HELVETICA CHIMICA ACTA. VOL. 98. ISSUE 6. P. 763 -784 22 67% 0
3 LI, XM , NEUENSCHWANDER, M , (2000) FULVENES, FULVALENES, PART 72. EXPLORING A NEW GENERAL PATHWAY TO PARENT HYDROCARBONS HEPTAFULVENE, HEPTAPENTAFULVALENE, AND HEPTAFULVALENE.HELVETICA CHIMICA ACTA. VOL. 83. ISSUE 3. P. 562-570 18 90% 6
4 ERDEN, I , BASADA, J , POLI, D , CABRERA, G , XU, FP , GRONERT, S , (2016) UNUSUAL HYDROXYL EFFECT ON FULVENE ENDOPEROXIDE DECOMPOSITIONS.TETRAHEDRON LETTERS. VOL. 57. ISSUE 20. P. 2190 -2193 10 83% 1
5 HUWYLER, R , AL-DULAYYMI, A , NEUENSCHWANDER, M , (1999) COUPLING REACTIONS. 20. SYNTHESIS OF FUNCTIONALIZED BI(CYCLOPROPYLIDENES).HELVETICA CHIMICA ACTA. VOL. 82. ISSUE 12. P. 2336 -2347 14 88% 5
6 COSKUN, N , MA, JX , AZIMI, S , GARTNER, C , ERDEN, I , (2011) 1,2-DIHYDROPENTALENES FROM FULVENES BY [6+2] CYCLOADDITIONS WITH 1-ISOPROPENYLPYRROLIDINE.ORGANIC LETTERS. VOL. 13. ISSUE 22. P. 5952 -5955 12 71% 5
7 MA, ZH , LIN, J , (2008) PROGRESS IN SYNTHESIS AND APPLICATION OF FULVENE.CHINESE JOURNAL OF ORGANIC CHEMISTRY. VOL. 28. ISSUE 10. P. 1707 -1714 16 55% 1
8 VICTORY, P , ALVAREZLARENA, A , PINIELLA, JF , GERMAIN, G , SOLER, E , MUNOZ, M , (1995) 2,3,6-TRIOXYPENTAFULVENES .5(1). REACTIONS WITH PRIMARY AMINES - NUCLEOPHILIC-SUBSTITUTION AND RING EXPANSION.ANALES DE QUIMICA-INTERNATIONAL EDITION. VOL. 91. ISSUE 1-2. P. 32-41 15 88% 2
9 AL-DULAYYMI, A , LI, XM , NEUENSCHWANDER, M , (2000) FULVENES, FULVALENES, PART 73. SYNTHESIS OF NOVEL PRECURSORS OF CALICENE AND 7-METHYLCALICENE.HELVETICA CHIMICA ACTA. VOL. 83. ISSUE 3. P. 571 -582 14 78% 5
10 COSKUN, N , ERDEN, I , (2011) AN EFFICIENT CATALYTIC METHOD FOR FULVENE SYNTHESIS.TETRAHEDRON. VOL. 67. ISSUE 45. P. 8607 -8614 11 65% 2

Classes with closest relation at Level 1


Rank Class id link
1 37118 UNSATURATED BETA KETOESTERS//1 3 CYCLOHEXANEDIONE YLIDE//1 TRIPHENYLPHOSPHORANYLIDENEPENTANE 2 4 DIONE
2 22945 CYCLOPROPARENES//4 METHYLURAZOLE//AROMATICITY DEFECT
3 18553 CYCLOPENTADIENYL LIGANDS FUNCTIONALIZED//FULVENE COMPLEXES//N FUNCTIONALIZED CYCLOPENTADIENYL
4 7492 AZULENE//GUAIAZULENE//DIHYDROAZULENE
5 23993 GEM DIHALOCYCLOPROPANE//FUNCTIONALIZED NAPHTHALENES//HALOCYCLOPROPANE
6 31863 TETRAPHENYLMETHANE//1 N DICHLOROALKANE GUESTS//2 5 DIMETHYLENE 2 5 DIHYDROSELENOPHENE
7 20119 TETRAHEDRANES//CYCLOBUTADIENE//AZETES
8 25329 ENGLERIN A//52 CYCLOADDITION//3 OXIDOPYRYLIUM
9 12094 TRITERT BUTYLCYCLOPENTADIENYL//MAIN GROUP METALLOCENES//PENTAPHENYLCYCLOPENTADIENE
10 13264 CYCLOPROPENES//BROWN S//CYCLOPROPENYLSTANNANES

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