Class information for:
Level 1: PYRYLIUM SALTS//2 4 6 TRIPHENYLPYRYLIUM//COSTIN D NENITZESCU ORGAN CHEM

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

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PYRYLIUM SALTS authKW 392471 4% 35% 25
2 2 4 6 TRIPHENYLPYRYLIUM authKW 316515 1% 100% 7
3 COSTIN D NENITZESCU ORGAN CHEM address 210023 2% 39% 12
4 BIESTERFELD GRP address 180866 1% 100% 4
5 PYRYLOGENS authKW 180866 1% 100% 4
6 FERRICYANIDE OXIDATION authKW 161485 1% 71% 5
7 ACYLAMINOACYLATION authKW 135649 0% 100% 3
8 PYRIDINIUM YLID authKW 101736 0% 75% 3
9 PYRYLIUM authKW 99776 1% 28% 8
10 ALPHA ACYLAMINOKETONE authKW 90433 0% 100% 2

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Organic 5948 42% 0% 290
2 Chemistry, Multidisciplinary 2074 36% 0% 252
3 Chemistry, Physical 425 19% 0% 132
4 Spectroscopy 89 4% 0% 26
5 Engineering, Environmental 26 2% 0% 15
6 Physics, Atomic, Molecular & Chemical 17 3% 0% 23
7 Engineering, Chemical 17 4% 0% 25
8 Crystallography 14 2% 0% 13
9 Chemistry, Inorganic & Nuclear 12 3% 0% 18
10 Chemistry, Medicinal 7 2% 0% 12

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COSTIN D NENITZESCU ORGAN CHEM 210023 2% 39% 12
2 BIESTERFELD GRP 180866 1% 100% 4
3 ORGAN CHEM SPLAIUL INDEPENDENTEI 313 90433 0% 100% 2
4 GRP BIOSPECT 65103 1% 24% 6
5 INGN TEXT P ELERA 45831 2% 8% 12
6 CEA DEIN LETI PHYS ELE MAT 45216 0% 100% 1
7 CEA DRECAM CHIM THEOR 45216 0% 100% 1
8 CNRS CHIM MET TRANSIT 45216 0% 100% 1
9 CNRS UMR 7201CASE 42 45216 0% 100% 1
10 CNRS URA 429 45216 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 REVUE ROUMAINE DE CHIMIE 22219 7% 1% 49
2 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 5280 4% 0% 31
3 COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS 4163 4% 0% 26
4 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 4062 5% 0% 32
5 BULLETIN DE LA SOCIETE CHIMIQUE DE FRANCE PARTIE II-CHIMIE MOLECULAIRE ORGANIQUE ET BIOLOGIQUE 3545 1% 2% 5
6 CHEMICA SCRIPTA 2864 1% 1% 8
7 JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 1727 3% 0% 18
8 ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL 1710 1% 0% 9
9 KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 1378 2% 0% 14
10 HETEROCYCLES 1318 3% 0% 20

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PYRYLIUM SALTS 392471 4% 35% 25 Search PYRYLIUM+SALTS Search PYRYLIUM+SALTS
2 2 4 6 TRIPHENYLPYRYLIUM 316515 1% 100% 7 Search 2+4+6+TRIPHENYLPYRYLIUM Search 2+4+6+TRIPHENYLPYRYLIUM
3 PYRYLOGENS 180866 1% 100% 4 Search PYRYLOGENS Search PYRYLOGENS
4 FERRICYANIDE OXIDATION 161485 1% 71% 5 Search FERRICYANIDE+OXIDATION Search FERRICYANIDE+OXIDATION
5 ACYLAMINOACYLATION 135649 0% 100% 3 Search ACYLAMINOACYLATION Search ACYLAMINOACYLATION
6 PYRIDINIUM YLID 101736 0% 75% 3 Search PYRIDINIUM+YLID Search PYRIDINIUM+YLID
7 PYRYLIUM 99776 1% 28% 8 Search PYRYLIUM Search PYRYLIUM
8 ALPHA ACYLAMINOKETONE 90433 0% 100% 2 Search ALPHA+ACYLAMINOKETONE Search ALPHA+ACYLAMINOKETONE
9 BOND ACTIVITY 90433 0% 100% 2 Search BOND+ACTIVITY Search BOND+ACTIVITY
10 PYRYLIUM CATION 90433 0% 100% 2 Search PYRYLIUM+CATION Search PYRYLIUM+CATION

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 1


rank cluster_id2 link
1 20233 4H THIOPYRANS//2H THIOPYRANS//4H THIOPYRAN 1 1 DIOXIDES
2 34489 BENZONAPHTHYRIDINE N OXIDES//DIAZAPHENANTHRENES//ALPHA HALO CARBANIONS
3 29702 4 NITROBENZIMIDAZOLE DERIVATIVE//HOFFMANN TYPE ELIMINATION//QUADRUPOLAR MACROCYCLES
4 37523 ACETYLENIC GAMMA GLYCOLS//CHLOROCYCLOSULPHONES//1 1 3 ARYL 2 PHENYLSULFANYL 2 OXIRANYL 1 ETHANONES
5 26060 MENSHUTKIN REACTION//1 4 ANHYDRO D L RIBITOL//INTRAMOLECULAR METHYL TRANSFER
6 33211 POLYPYRIDINIUM SALTS//IONIC LIQUID CRYSTALLINE POLYMERS//POLYN ALKYLATION
7 30746 1 1 TRIMETHYLENE BIS 4 CARBOMETHOXYPYRIDINIUM ION//1 2 3 4 TETRAHYDROCARBAZOL//2 ETHOXYMETHYLENEMALONATE ETHYL ESTER
8 31715 1 BENZYLIDENEAMINOPYRIDINIUM SALTS//5 2 METHYL 4 N CYANOETHYL N BENZENESULPHONYL//5 CHLORO4 6 DIMETHYL 2 HYDROXY BENZALDEHYDE
9 29561 HYDRAZYL//SUPRAMOL CHEM INTERPHASE PROC//DIARYLPICRYLHYDRAZINE
10 26225 PYRAZOLO5 1 C1 2 4TRIAZOLES//1 3 4 OXADIAZIN 6 ONES//1 3 4 OXADIAZINE 2 CARBOXYLATE METHYL 6 OXO 5 PHENYL

Go to start page