Class information for:
Level 1: STETTER REACTION//N HETEROCYCLIC CARBENES//UMPOLUNG

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
9086 1123 50.7 76%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
2055 4857 N HETEROCYCLIC CARBENES//CARBENES//CARBENE LIGANDS

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 STETTER REACTION Author keyword 50 75% 3% 36
2 N HETEROCYCLIC CARBENES Author keyword 39 16% 20% 223
3 UMPOLUNG Author keyword 29 29% 7% 84
4 BENZOIN CONDENSATION Author keyword 23 59% 2% 26
5 BREEDING BASE GREEN PESTICIDE AGR BIOENGN Address 20 100% 1% 9
6 BENZOIN REACTION Author keyword 8 75% 1% 6
7 ELETTRON PLICATA Address 6 80% 0% 4
8 THIAZOLIUM SALT Author keyword 6 58% 1% 7
9 HOMOENOLATE Author keyword 6 47% 1% 9
10 ACYL AZOLIUM Author keyword 6 100% 0% 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 STETTER REACTION 50 75% 3% 36 Search STETTER+REACTION Search STETTER+REACTION
2 N HETEROCYCLIC CARBENES 39 16% 20% 223 Search N+HETEROCYCLIC+CARBENES Search N+HETEROCYCLIC+CARBENES
3 UMPOLUNG 29 29% 7% 84 Search UMPOLUNG Search UMPOLUNG
4 BENZOIN CONDENSATION 23 59% 2% 26 Search BENZOIN+CONDENSATION Search BENZOIN+CONDENSATION
5 BENZOIN REACTION 8 75% 1% 6 Search BENZOIN+REACTION Search BENZOIN+REACTION
6 THIAZOLIUM SALT 6 58% 1% 7 Search THIAZOLIUM+SALT Search THIAZOLIUM+SALT
7 HOMOENOLATE 6 47% 1% 9 Search HOMOENOLATE Search HOMOENOLATE
8 ACYL AZOLIUM 6 100% 0% 4 Search ACYL+AZOLIUM Search ACYL+AZOLIUM
9 CATALYTIC AROYLATION 6 100% 0% 4 Search CATALYTIC+AROYLATION Search CATALYTIC+AROYLATION
10 N HETEROCYCLIC CARBENE CATALYSIS 6 100% 0% 4 Search N+HETEROCYCLIC+CARBENE+CATALYSIS Search N+HETEROCYCLIC+CARBENE+CATALYSIS

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 DIRECT ANNULATIONS 274 92% 10% 107
2 CONJUGATE UMPOLUNG 164 89% 7% 74
3 NUCLEOPHILIC CARBENES 126 43% 20% 227
4 ENALS 125 74% 8% 92
5 GAMMA BUTYROLACTONES 122 37% 24% 265
6 BENZOIN CONDENSATION 119 65% 10% 114
7 NHC CATALYSIS 114 86% 5% 59
8 INTRAMOLECULAR STETTER REACTION 108 64% 10% 107
9 BICYCLIC THIAZOLIUM SALTS 98 100% 3% 29
10 ACYL AZOLIUMS 69 96% 2% 22

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
On the Mechanism of N-Heterocyclic Carbene-Catalyzed Reactions Involving Acyl Azoliums 2014 74 79 84%
Acyl anion free N-heterocyclic carbene organocatalysis 2013 128 60 78%
Extending NHC-Catalysis: Coupling Aldehydes with Unconventional Reaction Partners 2011 233 71 83%
Organocatalysis by N-heterocyclic, carbenes 2007 1278 198 59%
N-Heterocyclic Carbene Catalyzed Domino Reactions 2012 323 106 63%
Organocatalytic umpolung: N-heterocyclic carbenes and beyond 2012 307 137 64%
Employing homoenolates generated by NHC catalysis in carbon-carbon bond-forming reactions: state of the art 2011 206 59 80%
Organocatalytic Reactions Enabled by N-Heterocyclic Carbenes 2015 4 331 81%
N-heterocyclic carbenes as organocatalysts 2007 871 118 58%
Cooperative Lewis acid/N-heterocyclic carbene catalysis 2012 144 46 87%

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 BREEDING BASE GREEN PESTICIDE AGR BIOENGN 20 100% 0.8% 9
2 ELETTRON PLICATA 6 80% 0.4% 4
3 MOL INNOVAT DRUG DISCOVERY 5 17% 2.4% 27
4 SCI BASE PLICATE INGN SBAI 3 100% 0.3% 3
5 MOL RECOGNIT FUNCT 3 21% 1.2% 14
6 ORGAN CHEM SECT 3 11% 2.0% 23
7 ORGANOMETALL CHEM HOMOGENEOUS CATALYSIS 2 43% 0.3% 3
8 DIP ELETTRON PLICATA 1 33% 0.3% 3
9 ENGN CARBOHYDRATE SYNTH 1 24% 0.4% 4
10 DIP INGN CHIM MAT AMBIENTE 1 40% 0.2% 2

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000200198 FORMOSE REACTION//THIAZOLIUM SALT//3 HEXULOSES
2 0.0000126002 CHIRAL COPPER COMPLEX//ASYMMETRIC ESTERIFICATION//NUCLEOPHILIC CATALYSIS
3 0.0000111459 N HETEROCYCLIC CARBENES//CARBENE LIGANDS//CARBENES
4 0.0000084724 TRANSKETOLASE//CARBOLIGATION//THIAMINE DIPHOSPHATE
5 0.0000067862 BETA LACTONE//TETRAHYDROLIPSTATIN//LIPSTATIN
6 0.0000063789 ORGANOCATALYSIS//MICHAEL ADDITION//ALDOL REACTIONS
7 0.0000056325 OXINDOLES//OXINDOLE//ENGN CHIRAL DRUGS
8 0.0000055599 ALLENOATES//RAUHUT CURRIER REACTION//PHOSPHINE CATALYSIS
9 0.0000050047 CHIRAL IONIC LIQUIDS//CHIRAL SOLVENTS//CHIRAL CATIONS
10 0.0000047073 NITRILE HYDRATION//CHEM TECHNOL IND ECOL//DIRECT AMIDATION