Class information for:
Level 1: TETRAHYDROBENZOBPYRAN//MALONONITRILE//4H CHROMENE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4894 1706 33.1 74%


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
880 2             BIGINELLI REACTION//MULTICOMPONENT REACTIONS//1 4 DIHYDROPYRIDINES 11451
4894 1                   TETRAHYDROBENZOBPYRAN//MALONONITRILE//4H CHROMENE 1706

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 TETRAHYDROBENZOBPYRAN authKW 737202 3% 94% 44
2 MALONONITRILE authKW 567479 7% 27% 118
3 4H CHROMENE authKW 496426 3% 62% 45
4 PYRANOPYRAZOLE authKW 492583 2% 81% 34
5 PYRANO2 3 CPYRAZOLE authKW 462263 2% 70% 37
6 2 AMINO 4H CHROMENES authKW 383723 2% 79% 27
7 SPIROOXINDOLE authKW 333595 4% 27% 68
8 4H BENZOBPYRANS authKW 304250 1% 100% 17
9 MULTICOMPONENT REACTIONS authKW 260015 13% 6% 227
10 4H PYRANS authKW 259479 2% 50% 29

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 11632 38% 0% 641
2 Chemistry, Multidisciplinary 7315 43% 0% 728
3 Chemistry, Medicinal 1695 10% 0% 170
4 Crystallography 803 6% 0% 110
5 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 311 2% 0% 33
6 Chemistry, Applied 207 4% 0% 69
7 Chemistry, Inorganic & Nuclear 47 3% 0% 51
8 Acoustics 33 1% 0% 20
9 Chemistry, Physical 14 6% 0% 94
10 Engineering, Chemical 6 2% 0% 40

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 BIOACT ORGAN MOL SYNTHET UNIT 126013 1% 54% 13
2 NAT PROD ORGAN SYNTH 52577 1% 24% 12
3 ENVIRONM BENIGN 47723 0% 67% 4
4 SYNTH MOL INTERETS BIOL 28631 0% 40% 4
5 CHIM PL HETEROCYCLES 23861 0% 67% 2
6 PHARMACEUT BIOL ACT CPDS 23857 0% 33% 4
7 POST PHYS ELECT 19574 1% 12% 9
8 AVICENNA 18272 1% 5% 21
9 BRANCH ZAHEDAN 17897 0% 100% 1
10 BREEDING BASE SYSTEMAT DEV UTILIZAT 17897 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 ON CHEMICAL INTERMEDIATES 18355 4% 2% 63
2 JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 9686 2% 2% 30
3 LETTERS IN ORGANIC CHEMISTRY 9220 2% 2% 30
4 JOURNAL OF CHEMICAL RESEARCH 8949 3% 1% 54
5 CHINESE JOURNAL OF ORGANIC CHEMISTRY 8736 3% 1% 49
6 SYNTHETIC COMMUNICATIONS 7222 4% 1% 76
7 JOURNAL OF HETEROCYCLIC CHEMISTRY 4728 3% 1% 54
8 GREEN CHEMISTRY LETTERS AND REVIEWS 4136 1% 3% 9
9 MONATSHEFTE FUR CHEMIE 3723 2% 1% 36
10 ACS COMBINATORIAL SCIENCE 3240 1% 2% 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 TETRAHYDROBENZOBPYRAN 737202 3% 94% 44 Search TETRAHYDROBENZOBPYRAN Search TETRAHYDROBENZOBPYRAN
2 MALONONITRILE 567479 7% 27% 118 Search MALONONITRILE Search MALONONITRILE
3 4H CHROMENE 496426 3% 62% 45 Search 4H+CHROMENE Search 4H+CHROMENE
4 PYRANOPYRAZOLE 492583 2% 81% 34 Search PYRANOPYRAZOLE Search PYRANOPYRAZOLE
5 PYRANO2 3 CPYRAZOLE 462263 2% 70% 37 Search PYRANO2+3+CPYRAZOLE Search PYRANO2+3+CPYRAZOLE
6 2 AMINO 4H CHROMENES 383723 2% 79% 27 Search 2+AMINO+4H+CHROMENES Search 2+AMINO+4H+CHROMENES
7 SPIROOXINDOLE 333595 4% 27% 68 Search SPIROOXINDOLE Search SPIROOXINDOLE
8 4H BENZOBPYRANS 304250 1% 100% 17 Search 4H+BENZOBPYRANS Search 4H+BENZOBPYRANS
9 MULTICOMPONENT REACTIONS 260015 13% 6% 227 Search MULTICOMPONENT+REACTIONS Search MULTICOMPONENT+REACTIONS
10 4H PYRANS 259479 2% 50% 29 Search 4H+PYRANS Search 4H+PYRANS

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 LITVINOV, YM , SHESTOPALOV, AM , (2011) SYNTHESIS, STRUCTURE, CHEMICAL REACTIVITY, AND PRACTICAL SIGNIFICANCE OF 2-AMINO-4H-PYRANS.ADVANCES IN HETEROCYCLIC CHEMISTRY, VOL 103. VOL. 103. ISSUE . P. 175 -260 135 68% 24
2 DEKAMIN, MG , ESLAMI, M , MALEKI, A , (2013) POTASSIUM PHTHALIMIDE-N-OXYL: A NOVEL, EFFICIENT, AND SIMPLE ORGANOCATALYST FOR THE ONE-POT THREE-COMPONENT SYNTHESIS OF VARIOUS 2-AMINO-4H-CHROMENE DERIVATIVES IN WATER.TETRAHEDRON. VOL. 69. ISSUE 3. P. 1074 -1085 53 76% 65
3 PANDIT, KS , CHAVAN, PV , DESAI, UV , KULKARNI, MA , WADGAONKAR, PP , (2015) TRIS-HYDROXYMETHYLAMINOMETHANE (THAM): A NOVEL ORGANOCATALYST FOR A ENVIRONMENTALLY BENIGN SYNTHESIS OF MEDICINALLY IMPORTANT TETRAHYDROBENZO[B]PYRANS AND PYRAN-ANNULATED HETEROCYCLES.NEW JOURNAL OF CHEMISTRY. VOL. 39. ISSUE 6. P. 4452 -4463 57 77% 9
4 NIKNAM, K , BORAZJANI, N , RASHIDIAN, R , JAMALI, A , (2013) SILICA-BONDED N-PROPYLPIPERAZINE SODIUM N-PROPIONATE AS RECYCLABLE CATALYST FOR SYNTHESIS OF 4H-PYRAN DERIVATIVES.CHINESE JOURNAL OF CATALYSIS. VOL. 34. ISSUE 12. P. 2245-2254 51 78% 15
5 DEKAMIN, MG , ESLAMI, M , (2014) HIGHLY EFFICIENT ORGANOCATALYTIC SYNTHESIS OF DIVERSE AND DENSELY FUNCTIONALIZED 2-AMINO-3-CYANO-4H-PYRANS UNDER MECHANOCHEMICAL BALL MILLING.GREEN CHEMISTRY. VOL. 16. ISSUE 12. P. 4914 -4921 52 67% 21
6 BRAHMACHARI, G , BANERJEE, B , (2016) FACILE AND CHEMICALLY SUSTAINABLE ONE-POT SYNTHESIS OF A WIDE ARRAY OF FUSED O- AND N-HETEROCYCLES CATALYZED BY TRISODIUM CITRATE DIHYDRATE UNDER AMBIENT CONDITIONS.ASIAN JOURNAL OF ORGANIC CHEMISTRY. VOL. 5. ISSUE 2. P. 271 -286 52 63% 2
7 KIYANI, H , GHORBANI, F , (2015) EFFICIENT TANDEM SYNTHESIS OF A VARIETY OF PYRAN-ANNULATED HETEROCYCLES, 3,4-DISUBSTITUTED ISOXAZOL-5(4H)-ONES, AND ALPHA,BETA-UNSATURATED NITRILES CATALYZED BY POTASSIUM HYDROGEN PHTHALATE IN WATER.RESEARCH ON CHEMICAL INTERMEDIATES. VOL. 41. ISSUE 10. P. 7847 -7882 70 51% 3
8 QAREAGHAJ, OH , MASHKOURI, S , NAIMI-JAMAL, MR , KAUPP, G , (2014) BALL MILLING FOR THE QUANTITATIVE AND SPECIFIC SOLVENT-FREE KNOEVENAGEL CONDENSATION PLUS MICHAEL ADDITION CASCADE IN THE SYNTHESIS OF VARIOUS 2-AMINO-4-ARYL-3-CYANO-4H-CHROMENES WITHOUT HEATING.RSC ADVANCES. VOL. 4. ISSUE 89. P. 48191 -48201 49 69% 12
9 MYRBOH, B , MECADON, H , ROHMAN, MR , RAJBANGSHI, M , KHARKONGOR, I , LALOO, BM , KHARBANGAR, I , KSHIAR, B , (2013) SYNTHETIC DEVELOPMENTS IN FUNCTIONALIZED PYRANO[2,3-C]PYRAZOLES. A REVIEW.ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL. VOL. 45. ISSUE 4. P. 253 -303 45 68% 10
10 ZIARANI, GM , MORADI, R , LASHGARI, N , (2016) SYNTHESIS OF SPIRO-FUSED HETEROCYCLIC SCAFFOLDS THROUGH MULTICOMPONENT REACTIONS INVOLVING ISATIN.ARKIVOC. VOL. . ISSUE . P. 1 -81 68 36% 3

Classes with closest relation at Level 1


Rank Class id link
1 28438 4 4 ARYLMETHYLENEBIS1H PYRAZOL 5 OLS//4 4 ARYLMETHYLENE BIS3 METHYL 1 PHENYL 1H PYRAZOL 5 OL//ARYLGLYOXAL
2 31871 N PHOSPHONYL IMINES//CHIRAL N PHOSPHONYL IMINES//GREEN SYNTHET CHEM FUNCT MAT
3 11258 XANTHENE//1 8 DIOXO OCTAHYDROXANTHENES//1 8 DIOXO DECAHYDROACRIDINES
4 27761 IMINOCOUMARIN//BIS IMINOCOUMARINS//CHIM PL HETEROCYCLES CORPS GRAS POLYME
5 31355 DIBROMANTIN//TETRAZOLO1 5 AQUINOLINE 4 CARBALDEHYDE//1 3 DIBROMO 5 5 DIMETHYL 2 4 IMIDAZOLIDINEDIONE 77 48 5
6 14645 KNOEVENAGEL CONDENSATION//KNOEVENAGEL REACTION//ACTIVE METHYLENE COMPOUNDS
7 16290 2H PYRAN 2 ONE//RING TRANSFORMATION REACTION//2 AMINO 3 CYANOPYRIDINE
8 23514 PHTHALHYDRAZIDE//2H INDAZOLO2 1 BPHTHALAZINE TRIONES//2H INDAZOLO2 1 BPHTHALAZINE 1 6 1113H TRIONE
9 24286 1 5 DIOXASPIRO55UNDECANE 2 4 DIONE//BIS INDOLYLIMINES//SPIROINDOLE PYRAZOLE
10 7632 PYRAZOLO1 5 APYRIMIDINE//2 ARYLHYDRAZONOPROPANALS//AZAENAMINE

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