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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8405 1256 53.5 78%


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
1 3       CHEMISTRY, ORGANIC//TETRAHEDRON LETTERS//JOURNAL OF ORGANIC CHEMISTRY 237069
402 2             ORGANOCATALYSIS//ASYMMETRIC CATALYSIS//MICHAEL ADDITION 16725
8405 1                   N HETEROCYCLIC CARBENES//STETTER REACTION//UMPOLUNG 1256

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 N HETEROCYCLIC CARBENES authKW 768960 13% 19% 164
2 STETTER REACTION authKW 670317 3% 77% 36
3 UMPOLUNG authKW 611755 7% 28% 91
4 BENZOIN CONDENSATION authKW 458052 2% 61% 31
5 N HETEROCYCLIC CARBENE authKW 346853 9% 13% 107
6 BREEDING BASE GREEN PESTICIDE AGR BIOENGN address 280275 1% 82% 14
7 HOMOENOLATE authKW 212858 1% 49% 18
8 ORGANOCATALYSIS authKW 185752 13% 5% 165
9 CARBENES authKW 124361 8% 5% 99
10 N HETEROCYCLIC CARBENE CATALYSIS authKW 121550 0% 100% 5

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 17855 53% 0% 671
2 Chemistry, Multidisciplinary 4484 39% 0% 493
3 Chemistry, Applied 169 4% 0% 53
4 Polymer Science 14 3% 0% 32
5 Electrochemistry 5 1% 0% 15
6 Chemistry, Medicinal 4 1% 0% 17
7 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 4 0% 0% 5
8 Chemistry, Inorganic & Nuclear 3 2% 0% 21
9 Chemistry, Physical 2 4% 0% 56
10 Materials Science, Textiles -0 0% 0% 1

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 BREEDING BASE GREEN PESTICIDE AGR BIOENGN 280275 1% 82% 14
2 MOL INNOVAT DRUG DISCOVERY 95233 2% 15% 27
3 ELETTRON PLICATA 77790 0% 80% 4
4 SCI BASE PLICATE INGN SBAI 72930 0% 100% 3
5 MOL RECOGNIT FUNCT 61433 1% 17% 15
6 ORGAN CHEM SECT 60574 2% 10% 24
7 CAS MOL RECOGNIT FUNCT 56918 3% 6% 37
8 ORGANOMETALL CHEM HOMOGENEOUS CATALYSIS 38891 0% 40% 4
9 SBAI 32396 1% 13% 10
10 CHEM LIFE PROC 27913 2% 5% 23

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 ORGANIC LETTERS 22981 12% 1% 155
2 ORGANIC & BIOMOLECULAR CHEMISTRY 8459 5% 1% 64
3 ADVANCED SYNTHESIS & CATALYSIS 7635 3% 1% 41
4 ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 5933 8% 0% 98
5 JOURNAL OF ORGANIC CHEMISTRY 3417 7% 0% 86
6 CHEMICAL COMMUNICATIONS 3376 6% 0% 78
7 ORGANIC CHEMISTRY FRONTIERS 3179 1% 1% 9
8 ASIAN JOURNAL OF ORGANIC CHEMISTRY 2736 1% 1% 9
9 SYNTHESIS-STUTTGART 2315 3% 0% 38
10 SYNLETT 2060 3% 0% 35

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 N HETEROCYCLIC CARBENES 768960 13% 19% 164 Search N+HETEROCYCLIC+CARBENES Search N+HETEROCYCLIC+CARBENES
2 STETTER REACTION 670317 3% 77% 36 Search STETTER+REACTION Search STETTER+REACTION
3 UMPOLUNG 611755 7% 28% 91 Search UMPOLUNG Search UMPOLUNG
4 BENZOIN CONDENSATION 458052 2% 61% 31 Search BENZOIN+CONDENSATION Search BENZOIN+CONDENSATION
5 N HETEROCYCLIC CARBENE 346853 9% 13% 107 Search N+HETEROCYCLIC+CARBENE Search N+HETEROCYCLIC+CARBENE
6 HOMOENOLATE 212858 1% 49% 18 Search HOMOENOLATE Search HOMOENOLATE
7 ORGANOCATALYSIS 185752 13% 5% 165 Search ORGANOCATALYSIS Search ORGANOCATALYSIS
8 CARBENES 124361 8% 5% 99 Search CARBENES Search CARBENES
9 N HETEROCYCLIC CARBENE CATALYSIS 121550 0% 100% 5 Search N+HETEROCYCLIC+CARBENE+CATALYSIS Search N+HETEROCYCLIC+CARBENE+CATALYSIS
10 BENZOIN REACTION 119115 1% 70% 7 Search BENZOIN+REACTION Search BENZOIN+REACTION

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 FLANIGAN, DM , ROMANOV-MICHAILIDIS, F , WHITE, NA , ROVIS, T , (2015) ORGANOCATALYTIC REACTIONS ENABLED BY N-HETEROCYCLIC CARBENES.CHEMICAL REVIEWS. VOL. 115. ISSUE 17. P. 9307 -9387 263 79% 186
2 REYES, E , URIA, U , CARRILLO, L , VICARIO, JL , (2017) ENANTIOSELECTIVE CASCADE REACTIONS UNDER N-HETEROCYCLIC CARBENE CATALYSIS.SYNTHESIS-STUTTGART. VOL. 49. ISSUE 3. P. 451 -471 180 93% 0
3 ENDERS, D , NIEMEIER, O , HENSELER, A , (2007) ORGANOCATALYSIS BY N-HETEROCYCLIC, CARBENES.CHEMICAL REVIEWS. VOL. 107. ISSUE 12. P. 5606 -5655 117 59% 1522
4 BUGAUT, X , GLORIUS, F , (2012) ORGANOCATALYTIC UMPOLUNG: N-HETEROCYCLIC CARBENES AND BEYOND.CHEMICAL SOCIETY REVIEWS. VOL. 41. ISSUE 9. P. 3511 -3522 87 64% 432
5 MAHATTHANANCHAI, J , BODE, JW , (2014) ON THE MECHANISM OF N-HETEROCYCLIC CARBENE-CATALYZED REACTIONS INVOLVING ACYL AZOLIUMS.ACCOUNTS OF CHEMICAL RESEARCH. VOL. 47. ISSUE 2. P. 696-707 66 84% 169
6 YETRA, SR , PATRA, A , BIJU, AT , (2015) RECENT ADVANCES IN THE N-HETEROCYCLIC CARBENE (NHC)-ORGANOCATALYZED STETTER REACTION AND RELATED CHEMISTRY.SYNTHESIS-STUTTGART. VOL. 47. ISSUE 10. P. 1357 -1378 97 81% 19
7 NI, QJ , ZHANG, H , GROSSMANN, A , LOH, CCJ , MERKENS, C , ENDERS, D , (2013) ASYMMETRIC SYNTHESIS OF PYRROLOINDOLONES BY N-HETEROCYCLIC CARBENE CATALYZED [2+3] ANNULATION OF ALPHA-CHLOROALDEHYDES WITH NITROVINYLINDOLES.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 52. ISSUE 51. P. 13562 -13566 101 89% 31
8 VORA, HU , WHEELER, P , ROVIS, T , (2012) EXPLOITING ACYL AND ENOL AZOLIUM INTERMEDIATES VIA N-HETEROCYCLIC CARBENE-CATALYZED REACTIONS OF ALPHA-REDUCIBLE ALDEHYDES.ADVANCED SYNTHESIS & CATALYSIS. VOL. 354. ISSUE 9. P. 1617-1639 70 88% 190
9 MOORE, JL , ROVIS, T , (2009) CARBENE CATALYSTS.ASYMMETRIC ORGANOCATALYSIS. VOL. 291. ISSUE . P. 77 -144 102 68% 241
10 RONG, ZQ , JIA, MQ , YOU, SL , (2011) ENANTIOSELECTIVE N-HETEROCYCLIC CARBENE-CATALYZED MICHAEL ADDITION TO ALPHA,BETA-UNSATURATED ALDEHYDES BY REDOX OXIDATION.ORGANIC LETTERS. VOL. 13. ISSUE 15. P. 4080 -4083 88 83% 116

Classes with closest relation at Level 1


Rank Class id link
1 32369 FORMOSE REACTION//3 HEXULOSES//HARZIALACTONE A
2 15874 KINETIC RESOLUTION//ASYMMETRIC ESTERIFICATION//CHIRAL COPPER COMPLEX
3 24993 OXIDATIVE ESTERIFICATION//1 METHYLCYCLOBUTANOL//DIRECT OXIDATIVE ESTERIFICATION
4 256 N HETEROCYCLIC CARBENE//N HETEROCYCLIC CARBENES//CARBENE LIGANDS
5 9264 TRANSKETOLASE//THIAMINE DIPHOSPHATE//THIAMIN DIPHOSPHATE
6 27882 DITHIOCOUMARINS//THIOLANE 1 OXIDES//1 3 CYCLOALKANEDICARBOXYLIC ACIDS
7 743 ORGANOCATALYSIS//MICHAEL ADDITION//ASYMMETRIC CATALYSIS
8 19799 BETA LACTONES//TETRAHYDROLIPSTATIN//LIPSTATIN
9 10807 OXINDOLE//SPIROOXINDOLE//ENGN CHIRAL DRUGS
10 14285 ALLENOATES//RAUHUT CURRIER REACTION//PHOSPHINE CATALYSIS

Go to start page