Class information for:
Level 1: PYRAZINONE//ISOPROPYLHYDRAZINE//21H PYRAZINONES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
32161 143 21.6 60%


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
2258 2             VICARIOUS NUCLEOPHILIC SUBSTITUTION//NUCLEOPHILIC SUBSTITUTION OF HYDROGEN//1 2 4 TRIAZINE 4681
32161 1                   PYRAZINONE//ISOPROPYLHYDRAZINE//21H PYRAZINONES 143

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 PYRAZINONE authKW 721581 10% 24% 14
2 ISOPROPYLHYDRAZINE authKW 640606 2% 100% 3
3 21H PYRAZINONES authKW 480453 2% 75% 3
4 2H 1 4 OXAZIN 2 ONES authKW 427070 1% 100% 2
5 3 AND 5 SUBSTITUTED 21H PYRAZINONES authKW 427070 1% 100% 2
6 IPRONIAZID HEPATITIS authKW 427070 1% 100% 2
7 21H PYRAZINONE authKW 310592 3% 36% 4
8 SIMULTANEOUS COOLING authKW 240223 2% 38% 3
9 1 HYDROXYPYRAZIN 21H ONE authKW 213535 1% 100% 1
10 3 5 DICHLORO 21H PYRAZINONES authKW 213535 1% 100% 1

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 3840 73% 0% 104
2 Chemistry, Medicinal 80 8% 0% 11
3 Chemistry, Multidisciplinary 70 17% 0% 24
4 Crystallography 16 3% 0% 5
5 Chemistry, Applied 12 3% 0% 5
6 Pharmacology & Pharmacy 8 7% 0% 10
7 Virology 0 1% 0% 1
8 Spectroscopy -0 1% 0% 1
9 Chemistry, Physical -2 1% 0% 2
10 Biochemistry & Molecular Biology -4 1% 0% 2

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 AFD ORGAN SYNTH 213535 1% 100% 1
2 COBRAUMR 6014INSA 213535 1% 100% 1
3 GRP KWANTUMCHEM 213535 1% 100% 1
4 LOMAC 130140 6% 8% 8
5 AFDELING ORGAN SYNTH 71177 1% 33% 1
6 CNRS UMR COBRA 42705 1% 20% 1
7 ORGAN MICROWAVE ASSISTED CHEM 32848 1% 8% 2
8 ORGAN SYNTH 32449 11% 1% 16
9 BIORGAN 30503 1% 14% 1
10 SYNTH ORGAN 30434 6% 2% 9

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 TETRAHEDRON 5222 21% 0% 30
2 JOURNAL OF COMBINATORIAL CHEMISTRY 2497 3% 0% 4
3 INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY 1748 6% 0% 9
4 BULLETIN DES SOCIETES CHIMIQUES BELGES 1530 3% 0% 4
5 JOURNAL OF FLOW CHEMISTRY 1333 1% 1% 1
6 TETRAHEDRON LETTERS 1159 14% 0% 20
7 JOURNAL OF HETEROCYCLIC CHEMISTRY 956 5% 0% 7
8 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY 615 4% 0% 6
9 SYNLETT 538 4% 0% 6
10 SYNTHESIS-STUTTGART 511 4% 0% 6

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 PYRAZINONE 721581 10% 24% 14 Search PYRAZINONE Search PYRAZINONE
2 ISOPROPYLHYDRAZINE 640606 2% 100% 3 Search ISOPROPYLHYDRAZINE Search ISOPROPYLHYDRAZINE
3 21H PYRAZINONES 480453 2% 75% 3 Search 21H+PYRAZINONES Search 21H+PYRAZINONES
4 2H 1 4 OXAZIN 2 ONES 427070 1% 100% 2 Search 2H+1+4+OXAZIN+2+ONES Search 2H+1+4+OXAZIN+2+ONES
5 3 AND 5 SUBSTITUTED 21H PYRAZINONES 427070 1% 100% 2 Search 3+AND+5+SUBSTITUTED+21H+PYRAZINONES Search 3+AND+5+SUBSTITUTED+21H+PYRAZINONES
6 IPRONIAZID HEPATITIS 427070 1% 100% 2 Search IPRONIAZID+HEPATITIS Search IPRONIAZID+HEPATITIS
7 21H PYRAZINONE 310592 3% 36% 4 Search 21H+PYRAZINONE Search 21H+PYRAZINONE
8 SIMULTANEOUS COOLING 240223 2% 38% 3 Search SIMULTANEOUS+COOLING Search SIMULTANEOUS+COOLING
9 1 HYDROXYPYRAZIN 21H ONE 213535 1% 100% 1 Search 1+HYDROXYPYRAZIN+21H+ONE Search 1+HYDROXYPYRAZIN+21H+ONE
10 3 5 DICHLORO 21H PYRAZINONES 213535 1% 100% 1 Search 3+5+DICHLORO+21H+PYRAZINONES Search 3+5+DICHLORO+21H+PYRAZINONES

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 PAWAR, VG , DE BORGGRAEVE, WM , (2006) 3,5-DIHALO-2(1H)-PYRAZINONES: VERSATILE SCAFFOLDS IN ORGANIC SYNTHESIS.SYNTHESIS-STUTTGART. VOL. . ISSUE 17. P. 2799-2814 31 62% 30
2 ALEN, J , SMETS, WJ , DOBRZANSKA, L , DE BORGGRAEVE, WM , COMPERNOLLE, F , HOORNAERT, GJ , (2007) DIASTEREOSELECTIVE DIELS-ALDER ADDITIONS OF ETHENE TO SUBSTITUTED HOMOCHIRAL 2(1H)-PYRAZINONES.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 6. P. 965 -971 14 82% 5
3 MEHTA, VP , APPUKKUTTAN, P , VAN DER EYCKEN, E , (2011) MICROWAVE-ASSISTED CHEMISTRY OF 2(1H)-PYRAZINONES.CURRENT ORGANIC CHEMISTRY. VOL. 15. ISSUE 2. P. 265 -283 26 30% 7
4 MISHRA, NM , PESHKOV, VA , PERESHIVKO, OP , MODHA, SG , VAN DER EYCKEN, EV , (2012) ALKYLATION OF 3,5-DICHLORO-2(1H)-PYRAZINONES USING MALONATE ESTERS.TETRAHEDRON LETTERS. VOL. 53. ISSUE 35. P. 4676 -4678 17 46% 1
5 AFARINKIA, K , BAHAR, A , BEARPARK, MJ , GARCIA-RAMOS, Y , RUGGIERO, A , NEUSS, J , VYAS, M , (2005) INVESTIGATION OF THE DIELS-ALDER CYCLOADDITIONS OF 2(H)-1,4-OXAZIN-2-ONES.JOURNAL OF ORGANIC CHEMISTRY. VOL. 70. ISSUE 23. P. 9529 -9537 25 37% 5
6 DE BORGGRAEVE, WM , VERBIST, BMP , ROMBOUTS, FJR , PAWAR, VG , SMETS, WJ , KAMOUNE, L , ALEN, J , VAN DER EYCKEN, EV , COMPERNOLLE, F , HOORNAERT, GJ , (2004) DESIGN AND SYNTHESIS OF NOVEL TYPE VI-LIKE BETA-TURN MIMETICS. DIVERSITY AT THE I+1 AND THE I+2 POSITION.TETRAHEDRON. VOL. 60. ISSUE 50. P. 11597 -11612 14 45% 17
7 HOORNAERT, G , (1994) 2(1H)-PYRAZINONES AND 2H-1,4-OXAZIN-2-ONES AND THEIR USE IN HETEROCYCLIC SYNTHESIS.BULLETIN DES SOCIETES CHIMIQUES BELGES. VOL. 103. ISSUE 9-10. P. 583-589 12 71% 12
8 VAN DER EYCKEN, E , DEROOVER, G , TOPPET, SM , HOORNAERT, GJ , (1999) A VERSATILE STEREOSPECIFIC SYNTHESIS OF THE 1,3-DISUBSTITUTED BENZO [A]QUINOLIZIDINE FRAMEWORK VIA 2-ARYL SUBSTITUTED PYRIDINES.TETRAHEDRON LETTERS. VOL. 40. ISSUE 51. P. 9147-9150 8 80% 7
9 MISHRA, NM , VACHHANI, DD , MODHA, SG , VAN DER EYCKEN, EV , (2013) DIVERSELY SUBSTITUTED IMIDAZO[1,2-A]PYRAZINE-8-OXO-3-CARBALDEHYDES: AN IODINE-MEDIATED CYCLIZATION/OXIDATION APPROACH.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 4. P. 693 -700 12 31% 7
10 ROMBOUTS, FJR , DE BORGGRAEVE, W , TOPPET, SM , COMPERNOLLE, F , HOORNAERT, GJ , (2001) INTRAMOLECULAR DIELS-ALDER REACTIONS OF N-ALKENYL-2(1H)-PYRAZINONES: GENERATION OF A NOVEL TYPE OF CIS-1,7-NAPHTHYRIDINE.TETRAHEDRON LETTERS. VOL. 42. ISSUE 42. P. 7397-7399 6 86% 10

Classes with closest relation at Level 1


Rank Class id link
1 15954 1 2 4 TRIAZINE//5 5 BI 1 2 4 TRIAZINE//BI 1 2 4 TRIAZINE
2 37237 PYRAZOLE BIPYRIDINE LIGANDS//CENT S SHINAGAWA KU//1 3 BENZOXAZINONES
3 26067 TARUMI KU//ALLIED MED SCI SUMA KU//MED FUKUSHIMA KU
4 20363 2 PYRONE//BASE CATALYZED DIELS ALDER REACTION//BICYCLO222OCTENES
5 33685 1 THIA 3 AZA BUTADIENES//2 4 DIAMINO 1 THIA 3 AZABUTADIENES//2 METHYLENE 3 6 DIHYDRO 2H 1 3 THIAZINES
6 23298 SODIUM TETRAARYLBORATES//LIEBESKIND SROGL CROSS COUPLING//1 6 DIOXA 3 8 DIAZACYCLODECANES
7 37680 BRIMONIDINE TARTRATE//4 HYDROXY 5 METHOXYNAPHTHALENE 1 YL ACETATE//ACID BASE DISSOCIATION CONSTANT
8 21068 PHARMAZEUT BIOL BIOTECHNOL//PRENYLTRANSFERASE//DIMETHYLALLYLTRYPTOPHAN SYNTHASE
9 12385 BETA TURN MIMETIC//PEPTIDOMIMETICS//BICYCLIC DIPEPTIDE
10 14075 O QUINODIMETHANE//ORTHO QUINODIMETHANES//ANGULAR TRIFLUOROMETHYL GROUP

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