Class information for:
Level 2: BIGINELLI REACTION//MULTICOMPONENT REACTIONS//1 4 DIHYDROPYRIDINES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
880 11451 33.9 72%


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
3614 1                   1 4 DIHYDROPYRIDINES//POLYHYDROQUINOLINE//HANTZSCH REACTION 1945
4894 1                   TETRAHYDROBENZOBPYRAN//MALONONITRILE//4H CHROMENE 1706
4951 1                   UGI REACTION//ISOCYANIDE//MULTICOMPONENT REACTIONS 1698
4975 1                   BIGINELLI REACTION//DIHYDROPYRIMIDINONES//3 4 DIHYDROPYRIMIDIN 21H ONES 1694
11258 1                   XANTHENE//1 8 DIOXO OCTAHYDROXANTHENES//1 8 DIOXO DECAHYDROACRIDINES 996
14645 1                   KNOEVENAGEL CONDENSATION//KNOEVENAGEL REACTION//ACTIVE METHYLENE COMPOUNDS 758
17333 1                   2 4 5 TRISUBSTITUTED IMIDAZOLES//1 2 4 5 TETRASUBSTITUTED IMIDAZOLES//TETRASUBSTITUTED IMIDAZOLES 605
19426 1                   AMIDOALKYL NAPHTHOL//1 AMIDOALKYL 2 NAPHTHOL//BETTI BASE 506
20832 1                   PHYS TECHNOL CEFITEC//FE3O4CUOHX//NANO ORGANOCATALYST 444
22977 1                   N FORMYLATION//ONG//ORGAN NANO GRP 362
23514 1                   PHTHALHYDRAZIDE//2H INDAZOLO2 1 BPHTHALAZINE TRIONES//2H INDAZOLO2 1 BPHTHALAZINE 1 6 1113H TRIONE 343
28438 1                   4 4 ARYLMETHYLENEBIS1H PYRAZOL 5 OLS//4 4 ARYLMETHYLENE BIS3 METHYL 1 PHENYL 1H PYRAZOL 5 OL//ARYLGLYOXAL 207
29371 1                   BETA ACETAMIDO KETONES//DAKIN WEST REACTION//BETA AMIDO KETONES 187

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 BIGINELLI REACTION authKW 1132339 4% 90% 471
2 MULTICOMPONENT REACTIONS authKW 934018 10% 31% 1115
3 1 4 DIHYDROPYRIDINES authKW 634042 3% 65% 369
4 DIHYDROPYRIMIDINONES authKW 468409 2% 89% 198
5 SOLVENT FREE authKW 295227 4% 23% 481
6 UGI REACTION authKW 290739 2% 62% 177
7 KNOEVENAGEL CONDENSATION authKW 278521 2% 40% 263
8 XANTHENE authKW 256638 1% 60% 161
9 3 4 DIHYDROPYRIMIDIN 21H ONES authKW 229489 1% 90% 96
10 DIMEDONE authKW 226965 1% 61% 140

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 98316 42% 1% 4802
2 Chemistry, Multidisciplinary 32434 35% 0% 4048
3 Chemistry, Medicinal 10819 10% 0% 1115
4 Crystallography 3626 5% 0% 620
5 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 1468 2% 0% 189
6 Chemistry, Applied 1325 4% 0% 455
7 Chemistry, Inorganic & Nuclear 473 3% 0% 389
8 Chemistry, Physical 470 8% 0% 881
9 Pharmacology & Pharmacy 129 5% 0% 555
10 Engineering, Chemical 23 2% 0% 249

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 CHEM 56557 45% 0% 5192
2 ONG 41616 0% 63% 25
3 BIOTECHNOL MED PLANT 38034 0% 31% 46
4 CHIM PROC 34672 0% 52% 25
5 CHIM PROCEDES 29811 0% 40% 28
6 ORGAN COMPOUND 28933 0% 45% 24
7 BIOACT ORGAN MOL SYNTHET UNIT 28412 0% 67% 16
8 GACHSARAN BRANCH 24150 0% 18% 51
9 ORGAN NANO GRP 23976 0% 75% 12
10 ORGAN CHEM 16813 6% 1% 677

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 SYNTHETIC COMMUNICATIONS 39850 4% 3% 463
2 RESEARCH ON CHEMICAL INTERMEDIATES 30756 2% 6% 212
3 LETTERS IN ORGANIC CHEMISTRY 28558 1% 8% 137
4 JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 23768 1% 7% 122
5 TETRAHEDRON LETTERS 19139 6% 1% 742
6 GREEN CHEMISTRY LETTERS AND REVIEWS 19002 0% 14% 50
7 JOURNAL OF HETEROCYCLIC CHEMISTRY 18543 2% 3% 278
8 MOLECULAR DIVERSITY 17178 1% 8% 79
9 CHINESE JOURNAL OF ORGANIC CHEMISTRY 16061 2% 4% 173
10 JOURNAL OF CHEMICAL RESEARCH 14470 2% 3% 179

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 BIGINELLI REACTION 1132339 4% 90% 471 Search BIGINELLI+REACTION Search BIGINELLI+REACTION
2 MULTICOMPONENT REACTIONS 934018 10% 31% 1115 Search MULTICOMPONENT+REACTIONS Search MULTICOMPONENT+REACTIONS
3 1 4 DIHYDROPYRIDINES 634042 3% 65% 369 Search 1+4+DIHYDROPYRIDINES Search 1+4+DIHYDROPYRIDINES
4 DIHYDROPYRIMIDINONES 468409 2% 89% 198 Search DIHYDROPYRIMIDINONES Search DIHYDROPYRIMIDINONES
5 SOLVENT FREE 295227 4% 23% 481 Search SOLVENT+FREE Search SOLVENT+FREE
6 UGI REACTION 290739 2% 62% 177 Search UGI+REACTION Search UGI+REACTION
7 KNOEVENAGEL CONDENSATION 278521 2% 40% 263 Search KNOEVENAGEL+CONDENSATION Search KNOEVENAGEL+CONDENSATION
8 XANTHENE 256638 1% 60% 161 Search XANTHENE Search XANTHENE
9 3 4 DIHYDROPYRIMIDIN 21H ONES 229489 1% 90% 96 Search 3+4+DIHYDROPYRIMIDIN+21H+ONES Search 3+4+DIHYDROPYRIMIDIN+21H+ONES
10 DIMEDONE 226965 1% 61% 140 Search DIMEDONE Search DIMEDONE

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 SURESH , SANDHU, JS , (2012) PAST, PRESENT AND FUTURE OF THE BIGINELLI REACTION: A CRITICAL PERSPECTIVE.ARKIVOC. VOL. . ISSUE . P. 66 -133 462 91% 51
2 SINGH, K , SINGH, K , (2012) BIGINELLI CONDENSATION: SYNTHESIS AND STRUCTURE DIVERSIFICATION OF 3,4-DIHYDROPYRIMIDIN-2(1H)-ONE DERIVATIVES.ADVANCES IN HETEROCYCLIC CHEMISTRY, VOL 105. VOL. 105. ISSUE . P. 223 -308 443 93% 18
3 KOLOSOV, MA , ORLOV, VD , BELOBORODOV, DA , DOTSENKO, VV , (2009) A CHEMICAL PLACEBO: NACL AS AN EFFECTIVE, CHEAPEST, NON-ACIDIC AND GREENER CATALYST FOR BIGINELLI-TYPE 3,4-DIHYDROPYRIMIDIN-2(1H)-ONES (-THIONES) SYNTHESIS.MOLECULAR DIVERSITY. VOL. 13. ISSUE 1. P. 5 -25 314 93% 95
4 DOMLING, A , (2006) RECENT DEVELOPMENTS IN ISOCYANIDE BASED MULTICOMPONENT REACTIONS IN APPLIED CHEMISTRY.CHEMICAL REVIEWS. VOL. 106. ISSUE 1. P. 17 -89 154 62% 2620
5 BODE, ML , GRAVESTOCK, D , ROUSSEAU, AL , (2016) SYNTHESIS, REACTIONS AND USES OF ISOCYANIDES IN ORGANIC SYNTHESIS. AN UPDATE.ORGANIC PREPARATIONS AND PROCEDURES INTERNATIONAL. VOL. 48. ISSUE 2. P. 89 -221 230 55% 0
6 DOMLING, A , UGI, I , (2000) MULTICOMPONENT REACTIONS WITH ISOCYANIDES.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 39. ISSUE 18. P. 3168 -3210 97 57% 3054
7 PANDA, SS , KHANNA, P , KHANNA, L , (2012) BIGINELLI REACTION: A GREEN PERSPECTIVE.CURRENT ORGANIC CHEMISTRY. VOL. 16. ISSUE 4. P. 507 -520 119 91% 28
8 SINGH, MS , CHOWDHURY, S , (2012) RECENT DEVELOPMENTS IN SOLVENT-FREE MULTICOMPONENT REACTIONS: A PERFECT SYNERGY FOR ECO-COMPATIBLE ORGANIC SYNTHESIS.RSC ADVANCES. VOL. 2. ISSUE 11. P. 4547 -4592 189 37% 180
9 HERAVI, MM , ZADSIRJAN, V , FATTAHI, B , NAZARI, N , (2016) APPLICATIONS OF DIMEDONE IN THE SYNTHESIS OF HETEROCYCLES: AN UPDATE.CURRENT ORGANIC CHEMISTRY. VOL. 20. ISSUE 16. P. 1676 -1735 159 66% 0
10 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 -260 141 71% 24

Classes with closest relation at Level 2


Rank Class id link
1 917 HYDRAZONOYL HALIDES//AZA WITTIG REACTION//JOURNAL OF HETEROCYCLIC CHEMISTRY
2 2318 COUMARIN//PECHMANN REACTION//PECHMANN CONDENSATION
3 2015 ACETYLENIC ESTERS//PHOSPHORUS YLIDES//TRIPHENYLPHOSPHINE
4 2690 QUINAZOLINONE//43H QUINAZOLINONES//QUINAZOLINE
5 1991 QUINOLINE//IMINO DIELS ALDER REACTION//ISOCOUMARIN
6 2810 BENZIMIDAZOLE//BENZOTHIAZOLE//BENZOXAZOLE
7 3851 GUANIDINE//ANGIPARS TM//SEMELIL
8 1215 DEPROTECTION//1 1 DIACETATES//EPOXIDES
9 2105 QUINOXALINE//1 5 BENZODIAZEPINES//1 5 BENZOTHIAZEPINE
10 402 ORGANOCATALYSIS//ASYMMETRIC CATALYSIS//MICHAEL ADDITION

Go to start page