Class information for:
Level 1: 2 HYDROXY 2 2 BIINDAN 1 1 3 3 TETRONE//NINHYDRIN//AGR NAT OURCES BORAZJAN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
27941 217 25.5 57%


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
9 3       CHEMISTRY, ORGANIC//JOURNAL OF HETEROCYCLIC CHEMISTRY//KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 135847
3970 2             2 HYDROXY 2 2 BIINDAN 1 1 3 3 TETRONE//BENZAL 4 ACETYLANILINES//2H PYRROLES 733
27941 1                   2 HYDROXY 2 2 BIINDAN 1 1 3 3 TETRONE//NINHYDRIN//AGR NAT OURCES BORAZJAN 217

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 2 HYDROXY 2 2 BIINDAN 1 1 3 3 TETRONE authKW 422148 1% 100% 3
2 NINHYDRIN authKW 315979 12% 9% 26
3 AGR NAT OURCES BORAZJAN address 281432 1% 100% 2
4 INDENO1 2 DIMIDAZOLES authKW 281432 1% 100% 2
5 UNIDAD ESTRUCT MOL address 281432 1% 100% 2
6 VASARENE authKW 281432 1% 100% 2
7 INDENOPYRROLE authKW 187620 1% 67% 2
8 WRIGHTIADIONE authKW 187620 1% 67% 2
9 1 2 BIS DEOXYGENATION authKW 140716 0% 100% 1
10 1 3 INDANEDIONES authKW 140716 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 2561 49% 0% 106
2 Chemistry, Multidisciplinary 179 21% 0% 45
3 Chemistry, Medicinal 82 6% 0% 14
4 Crystallography 72 6% 0% 12
5 Pharmacology & Pharmacy 52 12% 0% 25
6 Behavioral Sciences 14 2% 0% 5
7 Neurosciences 11 7% 0% 15
8 Chemistry, Inorganic & Nuclear 8 3% 0% 7
9 Substance Abuse 5 1% 0% 2
10 Pathology 3 2% 0% 4

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 AGR NAT OURCES BORAZJAN 281432 1% 100% 2
2 UNIDAD ESTRUCT MOL 281432 1% 100% 2
3 BIOPHYS UR565 140716 0% 100% 1
4 CHEM MED NAT PRODMINIST EDUC DRUG T 140716 0% 100% 1
5 CHIM E 140716 0% 100% 1
6 CHIM MED E 140716 0% 100% 1
7 EA BIOMOL CANC CHIMIO ISTANCES 4446CNRSUMS3 140716 0% 100% 1
8 LACBIO CHEM 140716 0% 100% 1
9 SERV CHIM CURIE 140716 0% 100% 1
10 SFR SANTE LYONESTINSERM US7 140716 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 RESEARCH COMMUNICATIONS IN SUBSTANCES OF ABUSE 1577 1% 1% 2
2 JOURNAL OF CHEMICAL RESEARCH 1547 4% 0% 8
3 HETEROCYCLES 1281 5% 0% 11
4 SYNTHETIC COMMUNICATIONS 984 5% 0% 10
5 TETRAHEDRON 840 7% 0% 15
6 JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 760 1% 0% 3
7 FARMACO 719 1% 0% 3
8 JOURNAL OF HETEROCYCLIC CHEMISTRY 625 3% 0% 7
9 TETRAHEDRON LETTERS 604 8% 0% 18
10 GAZZETTA CHIMICA ITALIANA 583 1% 0% 3

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 2 HYDROXY 2 2 BIINDAN 1 1 3 3 TETRONE 422148 1% 100% 3 Search 2+HYDROXY+2+2+BIINDAN+1+1+3+3+TETRONE Search 2+HYDROXY+2+2+BIINDAN+1+1+3+3+TETRONE
2 NINHYDRIN 315979 12% 9% 26 Search NINHYDRIN Search NINHYDRIN
3 INDENO1 2 DIMIDAZOLES 281432 1% 100% 2 Search INDENO1+2+DIMIDAZOLES Search INDENO1+2+DIMIDAZOLES
4 VASARENE 281432 1% 100% 2 Search VASARENE Search VASARENE
5 INDENOPYRROLE 187620 1% 67% 2 Search INDENOPYRROLE Search INDENOPYRROLE
6 WRIGHTIADIONE 187620 1% 67% 2 Search WRIGHTIADIONE Search WRIGHTIADIONE
7 1 2 BIS DEOXYGENATION 140716 0% 100% 1 Search 1+2+BIS+DEOXYGENATION Search 1+2+BIS+DEOXYGENATION
8 1 3 INDANEDIONES 140716 0% 100% 1 Search 1+3+INDANEDIONES Search 1+3+INDANEDIONES
9 1 5 ESTER SHIFT 140716 0% 100% 1 Search 1+5+ESTER+SHIFT Search 1+5+ESTER+SHIFT
10 1 BENZYLIDENE 2 PHENYLHYDRAZINE 140716 0% 100% 1 Search 1+BENZYLIDENE+2+PHENYLHYDRAZINE Search 1+BENZYLIDENE+2+PHENYLHYDRAZINE

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 ZIARANI, GM , LASHGARI, N , AZIMIAN, F , KRUGER, HG , GHOLAMZADEH, P , (2015) NINHYDRIN IN SYNTHESIS OF HETEROCYCLIC COMPOUNDS.ARKIVOC. VOL. . ISSUE . P. 1 -139 58 13% 2
2 KUNDU, SK , DAS, S , PRAMANIK, A , (2004) THEORETICAL STUDIES OF THE ACID-CATALYZED CONDENSATION OF NINHYDRIN WITH AROMATIC COMPOUNDS.INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY. VOL. 43. ISSUE 10. P. 2212 -2216 10 83% 1
3 PATRA, A , DAS, S , PRAMANIK, A , FROHLICH, R , (2004) FACILE ACID-CATALYZED CONDENSATION OF 2-HYDROXY-2,2 '-BIINDAN-1,1 ',3,3 '-TETRONE WITH PHENOLS, METHOXYAROMATIC SYSTEMS AND ENOLS.TETRAHEDRON. VOL. 60. ISSUE 45. P. 10197 -10205 11 65% 21
4 CHEN, NY , ZOU, MM , TIAN, X , ZHU, FJ , JIANG, DP , CHENG, JG , SHAO, XS , LI, Z , (2014) ISOMERIZATION OF NINHYDRIN-HETEROCYCLIC KETENE AMINAL ADDUCTS: KINETIC VERSUS THERMODYNAMIC CONTROL, SOLVENT DEPENDENCY AND MECHANISM.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 28. P. 6210 -6218 17 33% 2
5 DAS, S , FROHLICH, R , PRAMANIK, A , (2005) ACID CATALYSED CONDENSATION OF 2-HYDROXY-2,2 '-BIINDAN-1,1 ',3,3 '-TETRONE WITH ENOLS.JOURNAL OF CHEMICAL RESEARCH. VOL. . ISSUE 9. P. 572 -574 13 54% 2
6 KADAM, HK , TILVE, SG , (2015) ISOINDOLOINDOLONES - BIOLOGICAL ACTIVITIES AND SYNTHESES.ARKIVOC. VOL. . ISSUE . P. 524 -539 12 44% 1
7 DEBNATH, K , PATHAK, S , PRAMANIK, A , (2014) SILICA SULFURIC ACID: AN EFFICIENT REUSABLE HETEROGENEOUS SOLID SUPPORT FOR THE SYNTHESIS OF 3H,3 ' H-SPIRO[BENZOFURAN-2,1 ' ISOBENZOFURANJ-3,3 '-DIONES UNDER SOLVENT-FREE CONDITION.TETRAHEDRON LETTERS. VOL. 55. ISSUE 10. P. 1743 -1748 12 43% 4
8 RAO, VR , KUMAR, PV , (2005) A FACILE ONE STEP SYNTHESIS OF 3-(2-OXO-2H-CHROMEN-3-YL)-INDENO-[2,1-C]PYRIDAZIN-9-ONE.JOURNAL OF CHEMICAL RESEARCH. VOL. . ISSUE 4. P. 267 -269 8 80% 4
9 HASHIMOTO, S , SAKUMA, N , WAKABAYASHI, H , MIYAMAE, H , KOBAYASHI, K , (2008) DYNAMIC BEHAVIOR OF CYCLIC HEMIACETALS OF 2-HYDROXY-2-(2-HYDROXYPHENYL)-1,3-INDANDIONE DERIVATIVES.CHEMISTRY LETTERS. VOL. 37. ISSUE 7. P. 696 -697 5 100% 3
10 SUZUE, N , ISHII, R , KAMIYA, R , WAKABAYASHI, H , KOBAYASHI, K , (2009) REACTIONS OF NINHYDRIN WITH BENZO[B]THIOPHENES.HETEROCYCLES. VOL. 78. ISSUE 10. P. 2467 -2475 8 57% 1

Classes with closest relation at Level 1


Rank Class id link
1 37706 INDOLONE N OXIDES//2 2 PYRIDYLISATOGEN//ISATOGENS
2 15160 ISOCOUMARIN//DIHYDROISOCOUMARIN//HYDRANGEA MACROPHYLLA VAR THUNBERGII
3 28488 VICINAL TRICARBONYL//ALPHA KETO CYANOMETHYLENETRIPHENYLPHOSPHORANE//1 2 3 INDANETRIONE
4 32371 BATRACYLIN//IONIC LIQUID SUPPORT//ANTHRAQUINONE PEPTIDE DERIVATIVES
5 31903 YUEHCHUKENE//INTRAMOLECULAR ALKYL MIGRATION//INDOLYLCUPRATE
6 26929 2 CINNAMOYL 1 3 INDANDIONE//IMSAR//2 4 HYDROXYPHENYL INDAN 1 3 DIONE
7 12773 ISOINDOLINONES//LENNOXAMINE//CHILENINE
8 31534 3 IMIDAZOL 45 YLMETHYLENEINDOLIN 2 ONE//VASCULAR DENSITY INDEX VDI//2H PYRROLES
9 33380 GERALCINS//AZOXY ANTIBIOTICS//AZOXYBACILIN
10 30027 ANTIAGGREGATORY ACTIVITIES//1 1 3 BENZOTHIAZOL 2 Y1 2 IMIDAZOLIDINETHIONES//1 2 PYRIDINYL ALKYL ALCOHOL

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