Class information for:
Level 2: PYRYLIUM SALTS//HETEROCYCL CPDS CHEM//2 4 6 TRIPHENYLPYRYLIUM

Basic class information
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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
12 3       CHEMISTRY, ORGANIC//JOURNAL OF HETEROCYCLIC CHEMISTRY//KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 138510
3395 2             PYRYLIUM SALTS//HETEROCYCL CPDS CHEM//2 4 6 TRIPHENYLPYRYLIUM 1728
16139 1                   PYRYLIUM SALTS//2 4 6 TRIPHENYLPYRYLIUM//COSTIN D NENITZESCU ORGAN CHEM 697
20233 1                   4H THIOPYRANS//2H THIOPYRANS//4H THIOPYRAN 1 1 DIOXIDES 492
29003 1                   HETEROCYCL CPDS CHEM//FURAN CHEM//1 2 3 4 TETRAHYDROPYRROLO1 2 APYRAZINES 213
34489 1                   BENZONAPHTHYRIDINE N OXIDES//DIAZAPHENANTHRENES//ALPHA HALO CARBANIONS 124
34727 1                   1 5 DIARYL 3 ARYLAMINO 1H PYRROL 25H ONE//1 BUTYL 1 METHYLPYRROLIDINIUM HYDROGEN SULFATE//1H ISOBENZOFURYLIUM SALTS 121
37523 1                   ACETYLENIC GAMMA GLYCOLS//CHLOROCYCLOSULPHONES//1 1 3 ARYL 2 PHENYLSULFANYL 2 OXIRANYL 1 ETHANONES 81

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PYRYLIUM SALTS authKW 243380 2% 43% 31
2 HETEROCYCL CPDS CHEM address 137298 1% 47% 16
3 2 4 6 TRIPHENYLPYRYLIUM authKW 127660 0% 100% 7
4 COSTIN D NENITZESCU ORGAN CHEM address 84700 1% 39% 12
5 ACETYLENIC GAMMA GLYCOLS authKW 72949 0% 100% 4
6 BIESTERFELD GRP address 72949 0% 100% 4
7 PYRYLOGENS authKW 72949 0% 100% 4
8 FURAN CHEM address 72945 0% 67% 6
9 KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII journal 68320 9% 2% 154
10 FERRICYANIDE OXIDATION authKW 65130 0% 71% 5

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Organic 19550 48% 0% 823
2 Chemistry, Multidisciplinary 4753 35% 0% 603
3 Chemistry, Physical 292 12% 0% 203
4 Crystallography 148 3% 0% 54
5 Chemistry, Inorganic & Nuclear 74 3% 0% 59
6 Spectroscopy 62 2% 0% 40
7 Chemistry, Applied 23 2% 0% 33
8 Chemistry, Medicinal 9 2% 0% 26
9 Physics, Atomic, Molecular & Chemical 4 2% 0% 35
10 Engineering, Environmental 2 1% 0% 15

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HETEROCYCL CPDS CHEM 137298 1% 47% 16
2 COSTIN D NENITZESCU ORGAN CHEM 84700 1% 39% 12
3 BIESTERFELD GRP 72949 0% 100% 4
4 FURAN CHEM 72945 0% 67% 6
5 ORGAN CHEM SPLAIUL INDEPENDENTEI 313 36474 0% 100% 2
6 GRP BIOSPECT 26252 0% 24% 6
7 INGN TEXT P ELERA 18472 1% 8% 12
8 CEA DEIN LETI PHYS ELE MAT 18237 0% 100% 1
9 CEA DRECAM CHIM THEOR 18237 0% 100% 1
10 CHEM TARI HUA RUANUKU 18237 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 68320 9% 2% 154
2 ZHURNAL ORGANICHESKOI KHIMII 31668 7% 2% 115
3 REVUE ROUMAINE DE CHIMIE 10825 3% 1% 54
4 COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS 6959 3% 1% 53
5 JOURNAL FUR PRAKTISCHE CHEMIE-PRACTICAL APPLICATIONS AND APPLIED CHEMISTRY 5303 1% 2% 12
6 JOURNAL OF HETEROCYCLIC CHEMISTRY 5226 3% 1% 57
7 ORGANIC REACTIVITY 4456 0% 3% 8
8 ZHURNAL OBSHCHEI KHIMII 4318 3% 1% 44
9 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 4060 2% 1% 43
10 JOURNAL FUR PRAKTISCHE CHEMIE 3490 1% 1% 15

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PYRYLIUM SALTS 243380 2% 43% 31 Search PYRYLIUM+SALTS Search PYRYLIUM+SALTS
2 2 4 6 TRIPHENYLPYRYLIUM 127660 0% 100% 7 Search 2+4+6+TRIPHENYLPYRYLIUM Search 2+4+6+TRIPHENYLPYRYLIUM
3 ACETYLENIC GAMMA GLYCOLS 72949 0% 100% 4 Search ACETYLENIC+GAMMA+GLYCOLS Search ACETYLENIC+GAMMA+GLYCOLS
4 PYRYLOGENS 72949 0% 100% 4 Search PYRYLOGENS Search PYRYLOGENS
5 FERRICYANIDE OXIDATION 65130 0% 71% 5 Search FERRICYANIDE+OXIDATION Search FERRICYANIDE+OXIDATION
6 4H THIOPYRANS 58349 0% 40% 8 Search 4H+THIOPYRANS Search 4H+THIOPYRANS
7 2H THIOPYRANS 56987 0% 63% 5 Search 2H+THIOPYRANS Search 2H+THIOPYRANS
8 1 5 DIARYL 3 ARYLAMINO 1H PYRROL 25H ONE 54711 0% 100% 3 Search 1+5+DIARYL+3+ARYLAMINO+1H+PYRROL+25H+ONE Search 1+5+DIARYL+3+ARYLAMINO+1H+PYRROL+25H+ONE
9 4H THIOPYRAN 1 1 DIOXIDES 54711 0% 100% 3 Search 4H+THIOPYRAN+1+1+DIOXIDES Search 4H+THIOPYRAN+1+1+DIOXIDES
10 ACYLAMINOACYLATION 54711 0% 100% 3 Search ACYLAMINOACYLATION Search ACYLAMINOACYLATION

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 2763 1 2 4 TRIAZINE//TETRAZINE//KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII
2 3962 PERIMIDINE//PERI ANNELATION//1 3 DIAZAPYRENES
3 2372 INDOLIZINE//IMIDAZO1 2 APYRIDINE//AZOMETHINE YLIDE
4 2394 J AGGREGATES//CYANINE DYES//SQUARAINE
5 3958 HYDRAZYL//N N SUBSTITUTED P PHENYLENEDIAMINES//POLYTHIOCYANOGEN
6 3487 ADV ENGN COURSES//ZEOLITE L//LIFETIME DISTRIBUTION ANALYSIS
7 2169 SYDNONES//5 SUBSTITUTED 1H TETRAZOLES//TETRAZOLE
8 2723 AZA WITTIG REACTION//IMINOPHOSPHORANE//2H AZIRINES
9 3926 BENZIDINE REARRANGEMENT//PENTACYCLIC STEROIDS//2 2 SULFONYLBIS1 3 DIARYLPROP 2 EN 1 ONES
10 3517 THIOPHENE S OXIDE//FIS CFUM//JOURNAL OF HETEROCYCLIC CHEMISTRY

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