Class information for:
Level 1: BIGINELLI REACTION//DIHYDROPYRIMIDINONES//DIHYDROPYRIMIDINONE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
5384 1564 32.9 75%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
997 9937 BIGINELLI REACTION//DIHYDROPYRIMIDINONES//MULTICOMPONENT REACTION

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 BIGINELLI REACTION Author keyword 911 89% 27% 415
2 DIHYDROPYRIMIDINONES Author keyword 302 91% 8% 127
3 DIHYDROPYRIMIDINONE Author keyword 95 81% 4% 58
4 3 4 DIHYDROPYRIMIDIN 21H ONES Author keyword 90 83% 3% 50
5 BIGINELLI COMPOUNDS Author keyword 72 91% 2% 30
6 BIGINELLI CONDENSATION Author keyword 61 95% 1% 20
7 BIGINELLI Author keyword 55 77% 2% 37
8 3 4 DIHYDROPYRIMIDIN 21H ONE Author keyword 45 90% 1% 19
9 DIHYDROPYRIMIDONES Author keyword 27 92% 1% 11
10 DIHYDROPYRIMIDINES Author keyword 27 56% 2% 33

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 BIGINELLI REACTION 911 89% 27% 415 Search BIGINELLI+REACTION Search BIGINELLI+REACTION
2 DIHYDROPYRIMIDINONES 302 91% 8% 127 Search DIHYDROPYRIMIDINONES Search DIHYDROPYRIMIDINONES
3 DIHYDROPYRIMIDINONE 95 81% 4% 58 Search DIHYDROPYRIMIDINONE Search DIHYDROPYRIMIDINONE
4 3 4 DIHYDROPYRIMIDIN 21H ONES 90 83% 3% 50 Search 3+4+DIHYDROPYRIMIDIN+21H+ONES Search 3+4+DIHYDROPYRIMIDIN+21H+ONES
5 BIGINELLI COMPOUNDS 72 91% 2% 30 Search BIGINELLI+COMPOUNDS Search BIGINELLI+COMPOUNDS
6 BIGINELLI CONDENSATION 61 95% 1% 20 Search BIGINELLI+CONDENSATION Search BIGINELLI+CONDENSATION
7 BIGINELLI 55 77% 2% 37 Search BIGINELLI Search BIGINELLI
8 3 4 DIHYDROPYRIMIDIN 21H ONE 45 90% 1% 19 Search 3+4+DIHYDROPYRIMIDIN+21H+ONE Search 3+4+DIHYDROPYRIMIDIN+21H+ONE
9 DIHYDROPYRIMIDONES 27 92% 1% 11 Search DIHYDROPYRIMIDONES Search DIHYDROPYRIMIDONES
10 DIHYDROPYRIMIDINES 27 56% 2% 33 Search DIHYDROPYRIMIDINES Search DIHYDROPYRIMIDINES

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 DIHYDROPYRIMIDINONES 705 93% 17% 272
2 3 4 DIHYDROPYRIMIDIN 21H ONES 538 84% 19% 292
3 DIHYDROPYRIMIDINE SYNTHESIS 399 97% 7% 110
4 BIGINELLI REACTION 320 64% 20% 313
5 IMPROVED PROTOCOL CONDITIONS 265 97% 5% 73
6 BIGINELLI DIHYDROPYRIMIDINE SYNTHESIS 247 75% 12% 180
7 IMPROVED PROTOCOL 235 85% 8% 126
8 CONDENSATION REACTION 195 62% 13% 200
9 5 ALKOXYCARBONYL 4 ARYL 3 4 DIHYDROPYRIMIDIN 21H ONES 167 100% 3% 44
10 BIGINELLI COMPOUNDS 86 80% 3% 53

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
A chemical placebo: NaCl as an effective, cheapest, non-acidic and greener catalyst for Biginelli-type 3,4-dihydropyrimidin-2(1H)-ones (-thiones) synthesis 2009 75 336 91%
Past, present and future of the Biginelli reaction: a critical perspective 2012 31 506 87%
Bronsted Base-Catalyzed One-Pot Three-Component Biginelli-Type Reaction: An Efficient Synthesis of 4,5,6-Triaryl-3,4-dihydropyrimidin-2(1H)-one and Mechanistic Study 2010 69 94 62%
Recent progress in asymmetric Biginelli reaction 2013 19 83 65%
Genesis of Dihydropyrimidinone Calcium Channel Blockers: Recent Progress in Structure-Activity Relationships and Other Effects 2009 66 61 69%
Synthesis of Dihydropyrimidinones and Thiones by Multicomponent Reactions: Strategies Beyond the Classical Biginelli Reaction 2010 36 51 73%
Biginelli Condensation: Synthesis and Structure Diversification of 3,4-Dihydropyrimidin-2(1H)-one Derivatives 2012 12 475 93%
Biologically active dihydropyrimidones of the Biginelli-type - a literature survey 2000 828 55 71%
Recent advances in the Biginelli dihydropyrimidine synthesis. New tricks from an old dog 2000 719 61 69%
A novel amino acid functionalized ionic liquid promoted one-pot solvent-free synthesis of 3,4-dihydropyrimidin-2-(1H)-thiones 2013 4 25 80%

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 PL CHEM SCI TECHNOL 5 23% 1.2% 18
2 ORGAN COMPOUND 2 21% 0.5% 8
3 OLARSHIP 1 25% 0.3% 5
4 PHARMACEUT CHEM PG STUDIES 1 50% 0.1% 2
5 PHYTOCHEM AROMAT MED PLANTS 1 50% 0.1% 2
6 UMR 6226GRP INGN CHIM MOL VIVANT 1 100% 0.1% 2
7 PROD NAT ORIGINE VEGETALE SYNTH ORGAN 1 19% 0.4% 6
8 HETEROCYCLES 1 40% 0.1% 2
9 PROF JOHN BARNABAS POST BIOL STUDIES 1 33% 0.1% 2
10 UNIDAD BOSQUE XAL A VERACRUZ 1 33% 0.1% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000185016 1 3 DIAZA 1 3 BUTADIENE//TOSYLATION//BISTRIPHENYLPHOSPHINEPALLADIUMII DICHLORIDE
2 0.0000095361 DEDC//HETEROCYCL UNIT//5 CHLOROANISIC ACID
3 0.0000094685 1 4 DIHYDROPYRIDINES//1 4 DIHYDROPYRIDINE//HANTZSCH 1 4 DIHYDROPYRIDINES
4 0.0000091583 MICROWAVE SYNTH//INFLAMMATION INHIBITORS//3 METHYLPYRAZOLE
5 0.0000089244 GUANIDINE//MONANCHORA PULCHRA//PTILOMYCALIN A
6 0.0000060723 BETA ACETAMIDO KETONES//BETA ACETAMIDO KETONE//DAKIN WEST REACTION
7 0.0000057141 TRIAZOLOPYRIMIDINE//ANTIDIABET DRUG//1 2 4 TRIAZOLO1 5 APYRIMIDINE
8 0.0000057020 UGI REACTION//ISOCYANIDES//ALKYL ISOCYANIDES
9 0.0000052592 XANTHENES//XANTHENE//1 8 DIOXO OCTAHYDROXANTHENE
10 0.0000051401 AMIDOALKYL NAPHTHOL//AMIDOALKYL NAPHTHOLS//1 AMIDOALKYL 2 NAPHTHOL