Class information for:
Level 1: BIGINELLI REACTION//DIHYDROPYRIMIDINONES//3 4 DIHYDROPYRIMIDIN 21H ONES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4975 1694 34.3 77%


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
4975 1                   BIGINELLI REACTION//DIHYDROPYRIMIDINONES//3 4 DIHYDROPYRIMIDIN 21H ONES 1694

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 7433743 27% 89% 464
2 DIHYDROPYRIMIDINONES authKW 3104908 12% 88% 196
3 3 4 DIHYDROPYRIMIDIN 21H ONES authKW 1488378 6% 88% 94
4 BIGINELLI authKW 571117 2% 81% 39
5 DIHYDROPYRIMIDINE authKW 516976 4% 46% 62
6 BIGINELLI COMPOUNDS authKW 509434 2% 91% 31
7 3 4 DIHYDROPYRIMIDINONES authKW 445817 2% 85% 29
8 BIGINELLI CONDENSATION authKW 361295 1% 95% 21
9 DIHYDROPYRIMIDONES authKW 295750 1% 86% 19
10 DIHYDROPYRIMIDIN 21H ONES authKW 235510 1% 93% 14

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 17352 46% 0% 773
2 Chemistry, Multidisciplinary 3496 31% 0% 520
3 Chemistry, Medicinal 1581 10% 0% 164
4 Crystallography 877 7% 0% 114
5 Chemistry, Inorganic & Nuclear 223 5% 0% 87
6 Chemistry, Applied 70 3% 0% 46
7 Chemistry, Physical 69 8% 0% 130
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 59 1% 0% 16
9 Pharmacology & Pharmacy 1 3% 0% 56
10 Acoustics 0 0% 0% 7

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 PL CHEM SCI TECHNOL 74841 1% 23% 18
2 PERM STATE PHARMACEUT 40546 0% 38% 6
3 UMR 6226GRP INGN CHIM MOL VIVANT 36048 0% 100% 2
4 ORGAN COMPOUND 27531 1% 17% 9
5 SCI HERBS 24030 0% 67% 2
6 GANSU POLYMER MAT 18344 1% 5% 19
7 AEROBIOL MICROBIOL PLANT PATHOL 18024 0% 100% 1
8 AM KULIEV CHEM ADDIT 18024 0% 100% 1
9 ARTS SDI 18024 0% 100% 1
10 BIOORGAN HETEROCYCL 18024 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 LETTERS IN ORGANIC CHEMISTRY 16534 2% 2% 40
2 JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 6766 1% 2% 25
3 JOURNAL OF HETEROCYCLIC CHEMISTRY 6297 4% 1% 62
4 SYNTHETIC COMMUNICATIONS 5139 4% 0% 64
5 INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY 4322 3% 1% 49
6 CHEMISTRY OF HETEROCYCLIC COMPOUNDS 4032 1% 1% 19
7 GREEN CHEMISTRY LETTERS AND REVIEWS 3290 0% 2% 8
8 HETEROCYCLIC COMMUNICATIONS 3263 1% 1% 17
9 PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS 2641 2% 0% 39
10 ARKIVOC 2360 1% 1% 22

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 7433743 27% 89% 464 Search BIGINELLI+REACTION Search BIGINELLI+REACTION
2 DIHYDROPYRIMIDINONES 3104908 12% 88% 196 Search DIHYDROPYRIMIDINONES Search DIHYDROPYRIMIDINONES
3 3 4 DIHYDROPYRIMIDIN 21H ONES 1488378 6% 88% 94 Search 3+4+DIHYDROPYRIMIDIN+21H+ONES Search 3+4+DIHYDROPYRIMIDIN+21H+ONES
4 BIGINELLI 571117 2% 81% 39 Search BIGINELLI Search BIGINELLI
5 DIHYDROPYRIMIDINE 516976 4% 46% 62 Search DIHYDROPYRIMIDINE Search DIHYDROPYRIMIDINE
6 BIGINELLI COMPOUNDS 509434 2% 91% 31 Search BIGINELLI+COMPOUNDS Search BIGINELLI+COMPOUNDS
7 3 4 DIHYDROPYRIMIDINONES 445817 2% 85% 29 Search 3+4+DIHYDROPYRIMIDINONES Search 3+4+DIHYDROPYRIMIDINONES
8 BIGINELLI CONDENSATION 361295 1% 95% 21 Search BIGINELLI+CONDENSATION Search BIGINELLI+CONDENSATION
9 DIHYDROPYRIMIDONES 295750 1% 86% 19 Search DIHYDROPYRIMIDONES Search DIHYDROPYRIMIDONES
10 DIHYDROPYRIMIDIN 21H ONES 235510 1% 93% 14 Search DIHYDROPYRIMIDIN+21H+ONES Search DIHYDROPYRIMIDIN+21H+ONES

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 -133 450 89% 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 -308 440 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 -25 310 92% 95
4 PANDA, SS , KHANNA, P , KHANNA, L , (2012) BIGINELLI REACTION: A GREEN PERSPECTIVE.CURRENT ORGANIC CHEMISTRY. VOL. 16. ISSUE 4. P. 507 -520 114 87% 28
5 VDOVINA, SV , MAMEDOV, VA , (2008) NEW POSSIBILITIES OF THE CLASSICAL BIGINELLI REACTION.USPEKHI KHIMII. VOL. 77. ISSUE 12. P. 1091-1128 96 95% 42
6 MATACHE, M , DOBROTA, C , BOGDAN, ND , FUNERIU, DP , (2011) RECENT DEVELOPMENTS IN THE REACTIVITY OF THE BIGINELLI COMPOUNDS.CURRENT ORGANIC SYNTHESIS. VOL. 8. ISSUE 3. P. 356 -373 95 79% 12
7 SHKURKO, OP , TOLSTIKOVA, TG , SEDOVA, VF , (2016) DIHYDROPYRIMIDIN-2(1H)-ONE AND ITS ANALOGUES AS A PLATFORM FOR THE DESIGN AND SYNTHESIS OF NEW BIOLOGICALLY ACTIVE COMPOUNDS.RUSSIAN CHEMICAL REVIEWS. VOL. 85. ISSUE 10. P. 1056 -1096 126 54% 0
8 SAINI, A , KUMAR, S , SANDHU, JS , (2007) BIGINELLI REACTION.JOURNAL OF THE INDIAN CHEMICAL SOCIETY. VOL. 84. ISSUE 10. P. 959 -970 101 80% 7
9 HERAVI, MM , GHAVIDEL, M , HEIDARI, B , (2016) MICROWAVE-ASSISTED BIGINELLI REACTION: AN OLD REACTION, A NEW PERSPECTIVE.CURRENT ORGANIC SYNTHESIS. VOL. 13. ISSUE 4. P. 569 -600 111 57% 0
10 KIYANI, H , GHIASI, M , (2015) PHTHALIMIDE-N-SULFONIC ACID: A NEW AND EFFICIENT ORGANOCATALYST FOR THE BIGINELLI REACTION UNDER SOLVENT-FREE CONDITIONS.RESEARCH ON CHEMICAL INTERMEDIATES. VOL. 41. ISSUE 9. P. 6635 -6648 67 82% 5

Classes with closest relation at Level 1


Rank Class id link
1 23620 KINESIN SPINDLE PROTEIN//EG5//KSP
2 24427 1 3 DIAZA 1 3 BUTADIENE//TRIALKYLSTANNYLAZINE//1 2 3 4 TETRAHYDROPYRIDO1 2 APYRIMIDIN 6 ONE METHYL
3 22692 DEDC//DRUG EXPLORAT DEV CHAIR//THIAZOLOPYRIMIDINE
4 3614 1 4 DIHYDROPYRIDINES//POLYHYDROQUINOLINE//HANTZSCH REACTION
5 24670 1 2 3 4 TETRAHYDROPYRIMIDIN 2 ONES//UREIDOALKYLATION//2 3 4 5 TETRAHYDRO 1H 1 3 DIAZEPIN 2 ONES
6 26489 1 BETA D PYRANOSYL 2 THIOCYTOSINES//4 OXO 2 THIOXOHEXAHYDROPYRIMIDINES//4 OXOPYRIDO2 3 DPYRIMIDINES
7 14834 GUANIDINE//MONANCHORA PULCHRA//GUANYLATION
8 29371 BETA ACETAMIDO KETONES//DAKIN WEST REACTION//BETA AMIDO KETONES
9 14806 TRIAZOLOPYRIMIDINE//1 2 4 TRIAZOLO1 5 APYRIMIDINE//1 2 4 TRIAZOLO4 3 APYRIMIDINE
10 11258 XANTHENE//1 8 DIOXO OCTAHYDROXANTHENES//1 8 DIOXO DECAHYDROACRIDINES

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