Class information for:
Level 2: N HETEROCYCLIC CARBENES//CARBENES//CARBENE LIGANDS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2055 4857 53.6 80%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
22 115771 ORGANOMETALLICS//JOURNAL OF ORGANOMETALLIC CHEMISTRY//CHEMISTRY, INORGANIC & NUCLEAR

Classes in level below (level 1)


ID, lev.
below		 Publications Label for level below
250 3734 N HETEROCYCLIC CARBENES//CARBENE LIGANDS//CARBENES
9086 1123 STETTER REACTION//N HETEROCYCLIC CARBENES//UMPOLUNG

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 N HETEROCYCLIC CARBENES Author keyword 690 58% 16% 799
2 CARBENES Author keyword 117 28% 7% 354
3 CARBENE LIGANDS Author keyword 99 44% 4% 170
4 STETTER REACTION Author keyword 50 75% 1% 36
5 NHC Author keyword 45 57% 1% 54
6 UMPOLUNG Author keyword 29 29% 2% 84
7 BENZOIN CONDENSATION Author keyword 28 64% 1% 28
8 N HETEROCYCLIC CARBENES NHCS Author keyword 26 87% 0% 13
9 BREEDING BASE GREEN PESTICIDE AGR BIOENGN Address 20 100% 0% 9
10 N HETEROCYCLIC CARBENE COMPLEXES Author keyword 18 83% 0% 10

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 N HETEROCYCLIC CARBENES 690 58% 16% 799 Search N+HETEROCYCLIC+CARBENES Search N+HETEROCYCLIC+CARBENES
2 CARBENES 117 28% 7% 354 Search CARBENES Search CARBENES
3 CARBENE LIGANDS 99 44% 4% 170 Search CARBENE+LIGANDS Search CARBENE+LIGANDS
4 STETTER REACTION 50 75% 1% 36 Search STETTER+REACTION Search STETTER+REACTION
5 NHC 45 57% 1% 54 Search NHC Search NHC
6 UMPOLUNG 29 29% 2% 84 Search UMPOLUNG Search UMPOLUNG
7 BENZOIN CONDENSATION 28 64% 1% 28 Search BENZOIN+CONDENSATION Search BENZOIN+CONDENSATION
8 N HETEROCYCLIC CARBENES NHCS 26 87% 0% 13 Search N+HETEROCYCLIC+CARBENES+NHCS Search N+HETEROCYCLIC+CARBENES+NHCS
9 N HETEROCYCLIC CARBENE COMPLEXES 18 83% 0% 10 Search N+HETEROCYCLIC+CARBENE+COMPLEXES Search N+HETEROCYCLIC+CARBENE+COMPLEXES
10 CARBENE 16 17% 2% 84 Search CARBENE Search CARBENE

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 N HETEROCYCLIC CARBENES 705 38% 31% 1488
2 NUCLEOPHILIC CARBENES 523 74% 8% 393
3 STABLE CARBENES 498 67% 9% 453
4 NHC LIGANDS 312 75% 5% 224
5 DIRECT ANNULATIONS 289 93% 2% 108
6 CONJUGATE UMPOLUNG 219 94% 2% 78
7 IMIDAZOLIUM SALTS 142 50% 4% 202
8 BENZOIN CONDENSATION 141 69% 2% 121
9 NHC 134 60% 3% 148
10 GAMMA BUTYROLACTONES 134 38% 6% 276

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
An overview of N-heterocyclic carbenes 2014 173 89 72%
Heterocyclic carbenes: Synthesis and coordination chemistry 2008 1397 494 78%
On the Mechanism of N-Heterocyclic Carbene-Catalyzed Reactions Involving Acyl Azoliums 2014 74 79 86%
Cyclic (Alkyl)(Amino)Carbenes (CAACs): Stable Carbenes on the Rise 2015 14 81 52%
Organocatalysis by N-heterocyclic, carbenes 2007 1278 198 70%
N-Heterocyclic Carbene Catalyzed Domino Reactions 2012 323 106 68%
Organocatalytic umpolung: N-heterocyclic carbenes and beyond 2012 307 137 66%
The Measure of All Rings-N-Heterocyclic Carbenes 2010 428 156 79%
Acyl anion free N-heterocyclic carbene organocatalysis 2013 128 60 83%
Quantifying and understanding the electronic properties of N-heterocyclic carbenes 2013 123 201 86%

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% 0.2% 9
2 UMR 2282 13 62% 0.3% 13
3 UCR CNRS JOINT CHEM 10 44% 0.4% 18
4 DIFFRACT IL 8 100% 0.1% 5
5 CHAIR INORGAN CHEM MOL CATALYSIS 8 29% 0.5% 22
6 EMAN TESTING 8 39% 0.3% 15
7 JOINT CHEM UMI 2957 7 44% 0.2% 12
8 JOINT CHEM 7 39% 0.3% 14
9 ELETTRON PLICATA 6 80% 0.1% 4
10 UCRJOINT CHEM UMR 2282 6 80% 0.1% 4

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000026947 METATHESIS//OLEFIN METATHESIS//ROMP
2 0.0000019510 CROSS COUPLING//PALLADIUM//HECK REACTION
3 0.0000016911 NEWMAN WOLFROM CHEM//CHAIR PHYS ORGAN STRUCT CHEM//DIALKOXYCARBENE
4 0.0000013237 CYCLOMETALLATION//CYCLOPALLADATION//PINCER COMPLEXES
5 0.0000011919 HYDROAMINATION//ALKYNES//ALLENES
6 0.0000011492 STABLE PHOSPHORUS YLIDES//PHOSPHORUS YLIDE//VINYLTRIPHENYLPHOSPHONIUM SALT
7 0.0000011267 TRANSKETOLASE//CARBOLIGATION//THIAMINE DIPHOSPHATE
8 0.0000011245 ASYMMETRIC HYDROGENATION//ASYMMETRIC TRANSFER HYDROGENATION//TRANSFER HYDROGENATION
9 0.0000010061 SCORPIONATES//SCORPIONATE LIGANDS//PYRAZOLYLBORATES
10 0.0000010036 GOLD COMPLEXES//GOLDI COMPLEXES//AUROPHILICITY