Class information for:
Level 1: NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN//1 2 DIHYDROPYRAZINES//SIGMAH ADDUCTS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
24562 308 21.0 39%


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
24562 1                   NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN//1 2 DIHYDROPYRAZINES//SIGMAH ADDUCTS 308

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 NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN authKW 373226 3% 47% 8
2 1 2 DIHYDROPYRAZINES authKW 264371 1% 67% 4
3 SIGMAH ADDUCTS authKW 225313 2% 45% 5
4 REACTIONS WITH NUCLEOPHILES authKW 223064 1% 75% 3
5 I POSTOVSKY ORGAN SYNTH address 211488 3% 27% 8
6 3 ARYL 1 2 4 TRIAZINES authKW 198281 1% 100% 2
7 ANTIMICOBACTERIAL authKW 198281 1% 100% 2
8 AROMATIC NUCLEOPHILIC SUBSTITUTION OF HYDROGEN authKW 198281 1% 100% 2
9 CYCLIC ADDUCTS authKW 198281 1% 100% 2
10 NUCLEOPHILIC ADDITION TO AZINES authKW 198281 1% 100% 2

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 5212 58% 0% 179
2 Chemistry, Multidisciplinary 597 30% 0% 92
3 Chemistry, Medicinal 92 6% 0% 18
4 Spectroscopy 43 4% 0% 12
5 Crystallography 11 2% 0% 7
6 Pharmacology & Pharmacy 5 5% 0% 16
7 Multidisciplinary Sciences 2 1% 0% 2
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 0 0% 0% 1
9 Electrochemistry 0 1% 0% 3
10 Chemistry, Inorganic & Nuclear 0 1% 0% 4

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 I POSTOVSKY ORGAN SYNTH 211488 3% 27% 8
2 CONTROLE MEDICAMENTS 198277 1% 50% 4
3 I YA POSTOVSKY ORGAN SYNTH 152487 6% 8% 20
4 POLE COMPETENCE PHARCHIM 132186 1% 67% 2
5 UNITE RADIOIMMUNOANAL 132186 1% 67% 2
6 CEA M09 RECH COR PONDANT 99140 0% 100% 1
7 FED STATE AUTON HIGHER PROFESS EDUC 99140 0% 100% 1
8 GENET ENGN 7 BIOTECHNOL 99140 0% 100% 1
9 I YA POSTOVSKII ORGAN SYNTHESIS 99140 0% 100% 1
10 IQUIME TR SINTESIS ESTUDIO NUEVOS COMPUESTOS 99140 0% 100% 1

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 KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 54662 19% 1% 59
2 MENDELEEV COMMUNICATIONS 11916 6% 1% 20
3 RUSSIAN CHEMICAL BULLETIN 5544 7% 0% 23
4 JOURNAL OF HETEROCYCLIC CHEMISTRY 3634 6% 0% 20
5 ZHURNAL ORGANICHESKOI KHIMII 1866 4% 0% 12
6 HETEROCYCLES 1677 5% 0% 15
7 BULLETIN DES SOCIETES CHIMIQUES BELGES 1106 2% 0% 5
8 ORGANIC MAGNETIC RESONANCE 951 1% 0% 3
9 RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 873 2% 0% 7
10 PHARMACEUTICAL CHEMISTRY JOURNAL 799 1% 0% 3

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 NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN 373226 3% 47% 8 Search NUCLEOPHILIC+AROMATIC+SUBSTITUTION+OF+HYDROGEN Search NUCLEOPHILIC+AROMATIC+SUBSTITUTION+OF+HYDROGEN
2 1 2 DIHYDROPYRAZINES 264371 1% 67% 4 Search 1+2+DIHYDROPYRAZINES Search 1+2+DIHYDROPYRAZINES
3 SIGMAH ADDUCTS 225313 2% 45% 5 Search SIGMAH+ADDUCTS Search SIGMAH+ADDUCTS
4 REACTIONS WITH NUCLEOPHILES 223064 1% 75% 3 Search REACTIONS+WITH+NUCLEOPHILES Search REACTIONS+WITH+NUCLEOPHILES
5 3 ARYL 1 2 4 TRIAZINES 198281 1% 100% 2 Search 3+ARYL+1+2+4+TRIAZINES Search 3+ARYL+1+2+4+TRIAZINES
6 ANTIMICOBACTERIAL 198281 1% 100% 2 Search ANTIMICOBACTERIAL Search ANTIMICOBACTERIAL
7 AROMATIC NUCLEOPHILIC SUBSTITUTION OF HYDROGEN 198281 1% 100% 2 Search AROMATIC+NUCLEOPHILIC+SUBSTITUTION+OF+HYDROGEN Search AROMATIC+NUCLEOPHILIC+SUBSTITUTION+OF+HYDROGEN
8 CYCLIC ADDUCTS 198281 1% 100% 2 Search CYCLIC+ADDUCTS Search CYCLIC+ADDUCTS
9 NUCLEOPHILIC ADDITION TO AZINES 198281 1% 100% 2 Search NUCLEOPHILIC+ADDITION+TO+AZINES Search NUCLEOPHILIC+ADDITION+TO+AZINES
10 S NH METHODOLOGY 198281 1% 100% 2 Search S+NH+METHODOLOGY Search S+NH+METHODOLOGY

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 CHARUSHIN, VN , CHUPAKHIN, ON , (2004) S-N(H) METHODOLOGY AND NEW APPROACHES TO CONDENSED HETEROCYCLIC SYSTEMS.PURE AND APPLIED CHEMISTRY. VOL. 76. ISSUE 9. P. 1621 -1631 25 66% 42
2 CHARUSHIN, VN , CHUPAKHIN, ON , (2007) NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN AND RELATED REACTIONS.MENDELEEV COMMUNICATIONS. VOL. 17. ISSUE 5. P. 249 -254 19 41% 21
3 MOCHULSKAYA, NN , SLEPUKHIN, PA , CHARUSHIN, VN , KODESS, MI , (2016) TANDEM A(N)-A(N) REACTIONS IN THE SYNTHESIS OF TETRAHYDROTHIAZOLO[4,5-E][1,2,4]TRIAZINES.MENDELEEV COMMUNICATIONS. VOL. 26. ISSUE 5. P. 375 -377 7 88% 0
4 SLEPUKHIN, PA , MOCHUL'SKAYA, NN , SIDOROVA, LP , RUSINOV, GL , EZHIKOVA, MA , KODESS, MI , KAZHEVA, ON , CHEKHLOV, AN , D'YACHENKO, OA , CHARUSHIN, VN , (2005) NITROALKYL-SUBSTITUTED TETRAHYDROPYRAZINES IN SYNTHESES OF AZAPOLYCYCLIC COMPOUNDS.RUSSIAN CHEMICAL BULLETIN. VOL. 54. ISSUE 9. P. 2197 -2203 8 100% 2
5 CHUPAKHIN, ON , CHARUSHIN, VN , CHERNYSHEV, AI , (1988) APPLICATION OF H-1, C-13 AND N-15 NMR IN THE CHEMISTRY OF 1,4-DIAZINES.PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY. VOL. 20. ISSUE . P. 95-205 31 48% 11
6 RUSINOV, GL , SLEPUKHIN, PA , CHARUSHIN, VN , DYACHENKO, OA , KAZHEVA, ON , CHEKHLOV, AN , VERBITSKY, EV , KODESS, MI , CHUPAKHIN, ON , (2006) CHEMISTRY OF O- AND C-ADDUCTS DERIVED FROM 1,4-DIAZINIUM SALTS: THE USE OF TETRAHYDROPYRAZINES IN THE SYNTHESIS OF CONDENSED SYSTEMS.MENDELEEV COMMUNICATIONS. VOL. 16. ISSUE 1. P. 26 -29 7 100% 6
7 VERBITSKIY, EV , TOPOROVA, MS , KODESS, MI , EZHIKOVA, MA , ISENOV, ML , PERVOVA, MG , KRAVCHENKO, MA , MEDVINSKIY, ID , SKORNYAKOV, SN , RUSINOV, GL , ET AL (2014) SYNTHESIS, X-RAY CRYSTAL STRUCTURE AND ANTIMYCOBACTERIAL ACTIVITY OF ENANTIOMERICALLY PURE 1-ETHYL-2,3-DICYANO-5-(HET)ARYL-6-HETARYL-1,6-DIHYDROPYRAZINES.ARKIVOC. VOL. . ISSUE . P. 247 -270 14 40% 0
8 BOGUSLAVSKII, AM , PONIZOVSKII, MG , KODESS, MI , CHARUSHIN, VN , (2005) RING-CHAIN TRANSFORMATIONS OF DIHYDROISOXAZOLO[4,5-B]QUINOXALINE.RUSSIAN JOURNAL OF ORGANIC CHEMISTRY. VOL. 41. ISSUE 9. P. 1377 -1380 9 75% 1
9 VERBITSKIY, EV , KVASHNIN, YA , SLEPUKHIN, PA , KUCHIN, AV , RUSINOV, GL , CHUPAKHIN, ON , CHARUSHIN, VN , (2011) REACTIONS OF PYRAZINIUM SALTS WITH PHENOLS: FROM SIGMA(H)-ADDUCTS TO S-N (H) PRODUCTS AND TRANSFORMATIONS INTO BENZO[B]FURANS.RUSSIAN CHEMICAL BULLETIN. VOL. 60. ISSUE 5. P. 919-928 10 56% 6
10 VERBITSKIY, EV , SLEPUKHIN, PA , EZHIKOVA, MA , KODESS, MI , SHVACHKO, YN , STARICHENKO, DV , RUSINOV, GL , CHARUSHINA, VN , (2011) SIGMA(H)-ADDUCTS OF 1-ALKYL-1,4-DIAZINIUM SALTS AS THE SOURCES OF BIRADICALS IN THE SYNTHESIS OF TETRAAZAPHENANTHRENES.RUSSIAN CHEMICAL BULLETIN. VOL. 60. ISSUE 5. P. 975-980 7 78% 1

Classes with closest relation at Level 1


Rank Class id link
1 12312 VICARIOUS NUCLEOPHILIC SUBSTITUTION//EMISSION AND ABSORPTION SPECTRA//NUCLEOPHILIC SUBSTITUTION OF HYDROGEN
2 15954 1 2 4 TRIAZINE//5 5 BI 1 2 4 TRIAZINE//BI 1 2 4 TRIAZINE
3 24935 RAMAGE S//1 4 BENZODIAZEPINES PHARMACOLOGY SYNTHESIS//16 H 2 5 8 11 14 PENTAOXACYCLOPENTADECANO2 3 APHENOSELENAZIN 16 ONE
4 37706 INDOLONE N OXIDES//2 2 PYRIDYLISATOGEN//ISATOGENS
5 21685 NITROPYRIMIDINONE//KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII//BICYCLIC INTERMEDIATE
6 17554 7H 1 2 4 TRIAZOLO1 5 DTETRAZOL 6 YLSULFANYL ACETIC ACID HYDRAZIDE//APIOSHOWDOMYCIN//CYCLIC AMIDRAZONES
7 22870 REISSERT COMPOUNDS//ALPHA CYANATION//PYRAZINE N OXIDES
8 16574 BISTRIMETHYLSILYLKETENE ACETALS//N ACTIVATION//GAMMA AND DELTA LACTONES
9 29385 LONG RANGE JCH COUPLING CONSTANTS//2 AMINO 3 4 DIHYDROQUINAZOLIN 4 ONE//2D COLOC SPECTRUM
10 32161 PYRAZINONE//ISOPROPYLHYDRAZINE//21H PYRAZINONES

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