Class information for:
Level 1: 2H THIOPYRANS//4H THIOPYRAN//4H THIOPYRANS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
18761 471 23.0 34%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2763 2645 INDOLIZINE//INDOLIZINES//PYRROLO1 2 BPYRIDAZINE

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 2H THIOPYRANS Author keyword 5 63% 1% 5
2 4H THIOPYRAN Author keyword 2 44% 1% 4
3 4H THIOPYRANS Author keyword 2 44% 1% 4
4 THERMAL RACEMIZATION Author keyword 2 67% 0% 2
5 1 4 DITHIINE Author keyword 1 50% 0% 2
6 4H SELENOPYRAN Author keyword 1 100% 0% 2
7 4H THIOPYRAN 1 1 DIOXIDES Author keyword 1 100% 0% 2
8 DISCHARGE CURRENT TRANSIENT SPECTROSCOPY DCTS Author keyword 1 100% 0% 2
9 THIOPYRYLIUM Author keyword 1 33% 0% 2
10 DI PI METHANE REARRANGEMENT Author keyword 1 16% 1% 4

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class		 LCSH search Wikipedia search
1 2H THIOPYRANS 5 63% 1% 5 Search 2H+THIOPYRANS Search 2H+THIOPYRANS
2 4H THIOPYRAN 2 44% 1% 4 Search 4H+THIOPYRAN Search 4H+THIOPYRAN
3 4H THIOPYRANS 2 44% 1% 4 Search 4H+THIOPYRANS Search 4H+THIOPYRANS
4 THERMAL RACEMIZATION 2 67% 0% 2 Search THERMAL+RACEMIZATION Search THERMAL+RACEMIZATION
5 1 4 DITHIINE 1 50% 0% 2 Search 1+4+DITHIINE Search 1+4+DITHIINE
6 4H SELENOPYRAN 1 100% 0% 2 Search 4H+SELENOPYRAN Search 4H+SELENOPYRAN
7 4H THIOPYRAN 1 1 DIOXIDES 1 100% 0% 2 Search 4H+THIOPYRAN+1+1+DIOXIDES Search 4H+THIOPYRAN+1+1+DIOXIDES
8 DISCHARGE CURRENT TRANSIENT SPECTROSCOPY DCTS 1 100% 0% 2 Search DISCHARGE+CURRENT+TRANSIENT+SPECTROSCOPY+DCTS Search DISCHARGE+CURRENT+TRANSIENT+SPECTROSCOPY+DCTS
9 THIOPYRYLIUM 1 33% 0% 2 Search THIOPYRYLIUM Search THIOPYRYLIUM
10 DI PI METHANE REARRANGEMENT 1 16% 1% 4 Search DI+PI+METHANE+REARRANGEMENT Search DI+PI+METHANE+REARRANGEMENT

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 4H THIOPYRANS 38 93% 3% 14
2 2 4 4 6 TETRAARYL 4H THIOPYRANS 35 89% 3% 16
3 2 4 6 TRIARYLPYRYLIUM SALTS 31 92% 3% 12
4 2 4 4 6 TETRAPHENYL 1 4 DIHYDROPYRIDINE 30 100% 3% 12
5 SPIROINDOLINES 19 76% 3% 13
6 PHOTOCOLOURATION 12 86% 1% 6
7 PYRYLIUM COMPOUNDS 11 69% 2% 9
8 THIOPYRYLIUM CATIONS 8 100% 1% 5
9 DIPOLE RELAXATION TIME 6 80% 1% 4
10 ANHYDROBASES 4 67% 1% 4

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
THIOPYRYLIUM, SELENOPYRYLIUM, AND TELLUROPYRYLIUM SALTS 1994 36 181 41%
DEVELOPMENTS IN THE CHEMISTRY OF THIOPYRANS, SELENOPYRANS, AND TELUROPYRANS 1994 24 154 42%
Kinetics of photochromic reactions in condensed phases 2005 19 78 31%
NEW DEVELOPMENTS IN THE CHEMISTRY OF PYRANS 1995 34 307 22%
Oxygen-containing heterocyclic compounds on the basis of 1,5-diketones 2000 2 18 50%
Reactions of 1,5-diketones with ammonia and its substituted derivatives (Review) 2003 1 14 50%
PYRANS, THIOPYRANS, AND SELENOPYRANS 1983 74 32 59%
Unsaturated 1,5-diketones, their haloderivatives - Synthesis and application in synthesis of heterocycles (Review) 1996 1 19 63%
Ferrocenyl and pyridyl methylenepyrans as potential precursors of organometallic electron-rich extended bipyrans: Synthesis, characterization and crystal structure 2010 1 88 17%
2H-PYRANS 1985 6 9 78%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 FOR STELLE CHEM TOXIKOL 1 50% 0.2% 1
2 IUT LANN 0 33% 0.2% 1
3 MED CHEM MICROBIOL GRP 0 33% 0.2% 1
4 SCI CHIM UMR 6226 0 33% 0.2% 1
5 ZENT MOLEK BIOL 0 33% 0.2% 1
6 MYIANEH BRANCH 0 20% 0.2% 1
7 CHEM MINEROL 0 17% 0.2% 1
8 INTERDISZIPLINARE ARBEITSGRP ZEITAUFGELOSTE SPEKT 0 17% 0.2% 1
9 UMR SCI CHIM 0 14% 0.2% 1
10 DUMR 6226 0 100% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000276297 2 4 6 TRIPHENYLPYRYLIUM//PYRYLIUM SALTS//COSTIN D NENITZESCU ORGAN CHEM
2 0.0000127805 ISOTELLUROCHROMENE//BOREPIN//1 BENZOSELENOPYRYLIUM SALT
3 0.0000094290 ACETYLENIC BETA DIKETONES//4 OXAZOLIN 2 ONE//SYNTHESIS AND STRUCTURE ELUCIDATION
4 0.0000093060 2 CHLOROPYRIDINES//2 HYDROXY 5 METHYL ANILINE//C 3 BUILDING BLOCKS
5 0.0000085679 BICYCLIC ORGANOPHOSPHORUS COMPOUNDS//INTRAMOLECULAR HYDROPHOSPHORYLATION//P P DIPHENYL 1 4 DIPHOSPHA CYCLOHEXANE
6 0.0000082812 ALDEHYDE KETENE//25H THIOPHENONE//DIALKOXYSILANES
7 0.0000074405 DIBENZOTETRATHIOFULVALENE//TMO DBTTF//ALUMINIUM QUINOLATE
8 0.0000073729 CYCLOADDITION INTRAMOLECULAR//EPOXY NITRILE//SPIRO KETALS
9 0.0000073569 VINAMIDINIUM SALTS//CYANINE DYES CHIRAL//POLYMETHINE CYANINE DYES CHIRAL
10 0.0000070921 POLYMERIZATION INHIBITORS//HYDROXYETHYL//DI TERT ALKYL AMINES