Class information for:
Level 1: 4H PYRIDO1 2 APYRIMIDINE//PYRIDO1 2 APYRIMIDINES//1 2 3 4 TETRAHYDROBENZOTHIENO2 3 CPYRIDINE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
25845 270 23.1 42%


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
3789 2             VASICINE//NMR MOL MODELING//DEOXYVASICINONE 970
25845 1                   4H PYRIDO1 2 APYRIMIDINE//PYRIDO1 2 APYRIMIDINES//1 2 3 4 TETRAHYDROBENZOTHIENO2 3 CPYRIDINE 270

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 4H PYRIDO1 2 APYRIMIDINE authKW 226187 1% 100% 2
2 PYRIDO1 2 APYRIMIDINES authKW 129244 1% 29% 4
3 1 2 3 4 TETRAHYDROBENZOTHIENO2 3 CPYRIDINE authKW 113094 0% 100% 1
4 1 3 BIS ELECTROPHILIC SYNTHONS authKW 113094 0% 100% 1
5 1 4 DIHYDRO 1 8 NAPHTHYRIDIN 4 ONE authKW 113094 0% 100% 1
6 10 ETHYNYL10H PHENOTHIAZINE authKW 113094 0% 100% 1
7 2 1 BENZOTHIOPHEN 3 YLETHYLAMINE authKW 113094 0% 100% 1
8 2 1BENZOTHIENO2 3 CPYRIDIN 1 YLBENZOIC ACIDS authKW 113094 0% 100% 1
9 2 3 OXO 4 PHENYLSULFANYLBUTYL 1 3 ISOINDOLINEDIONES authKW 113094 0% 100% 1
10 2 A PYRIMIDIN 4 ONE authKW 113094 0% 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 2309 42% 0% 113
2 Crystallography 727 14% 0% 39
3 Chemistry, Multidisciplinary 204 20% 0% 54
4 Chemistry, Medicinal 124 7% 0% 19
5 Pharmacology & Pharmacy 39 10% 0% 26
6 Spectroscopy 33 4% 0% 10
7 Chemistry, Inorganic & Nuclear 24 4% 0% 12
8 Chemistry, Analytical 16 5% 0% 13
9 Chemistry, Physical 8 7% 0% 19
10 Allergy 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 GEN INVIVO PHARMACOL 113094 0% 100% 1
2 SINTEIS ORG 113094 0% 100% 1
3 SINTESIS CARACTERZAC NUEVOS MAT 113094 0% 100% 1
4 UJPEST 1 113094 0% 100% 1
5 EXTERNAL PHARMACEUT 64622 1% 29% 2
6 INVEST MALARIA 56546 0% 50% 1
7 NTK MONOCRYSTALS 56546 0% 50% 1
8 ALTALANOS ANAL KEMIAI TANSZEK 37697 0% 33% 1
9 CHINOIN LTD 37697 0% 33% 1
10 SINT ORGAN 37697 0% 33% 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 JOURNAL OF HETEROCYCLIC CHEMISTRY 7585 10% 0% 27
2 MAGYAR KEMIAI FOLYOIRAT 3312 3% 0% 7
3 HETEROCYCLES 2466 6% 0% 17
4 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 1660 4% 0% 11
5 KEMIAI KOZLEMENYEK 1569 0% 1% 1
6 ADVANCES IN HETEROCYCLIC CHEMISTRY 1235 1% 1% 2
7 FARMACO-EDIZIONE SCIENTIFICA 1222 1% 0% 3
8 ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS 1103 5% 0% 13
9 ACTA CHIMICA HUNGARICA-MODELS IN CHEMISTRY 972 1% 0% 3
10 ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE 784 4% 0% 11

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 4H PYRIDO1 2 APYRIMIDINE 226187 1% 100% 2 Search 4H+PYRIDO1+2+APYRIMIDINE Search 4H+PYRIDO1+2+APYRIMIDINE
2 PYRIDO1 2 APYRIMIDINES 129244 1% 29% 4 Search PYRIDO1+2+APYRIMIDINES Search PYRIDO1+2+APYRIMIDINES
3 1 2 3 4 TETRAHYDROBENZOTHIENO2 3 CPYRIDINE 113094 0% 100% 1 Search 1+2+3+4+TETRAHYDROBENZOTHIENO2+3+CPYRIDINE Search 1+2+3+4+TETRAHYDROBENZOTHIENO2+3+CPYRIDINE
4 1 3 BIS ELECTROPHILIC SYNTHONS 113094 0% 100% 1 Search 1+3+BIS+ELECTROPHILIC+SYNTHONS Search 1+3+BIS+ELECTROPHILIC+SYNTHONS
5 1 4 DIHYDRO 1 8 NAPHTHYRIDIN 4 ONE 113094 0% 100% 1 Search 1+4+DIHYDRO+1+8+NAPHTHYRIDIN+4+ONE Search 1+4+DIHYDRO+1+8+NAPHTHYRIDIN+4+ONE
6 10 ETHYNYL10H PHENOTHIAZINE 113094 0% 100% 1 Search 10+ETHYNYL10H+PHENOTHIAZINE Search 10+ETHYNYL10H+PHENOTHIAZINE
7 2 1 BENZOTHIOPHEN 3 YLETHYLAMINE 113094 0% 100% 1 Search 2+1+BENZOTHIOPHEN+3+YLETHYLAMINE Search 2+1+BENZOTHIOPHEN+3+YLETHYLAMINE
8 2 1BENZOTHIENO2 3 CPYRIDIN 1 YLBENZOIC ACIDS 113094 0% 100% 1 Search 2+1BENZOTHIENO2+3+CPYRIDIN+1+YLBENZOIC+ACIDS Search 2+1BENZOTHIENO2+3+CPYRIDIN+1+YLBENZOIC+ACIDS
9 2 3 OXO 4 PHENYLSULFANYLBUTYL 1 3 ISOINDOLINEDIONES 113094 0% 100% 1 Search 2+3+OXO+4+PHENYLSULFANYLBUTYL+1+3+ISOINDOLINEDIONES Search 2+3+OXO+4+PHENYLSULFANYLBUTYL+1+3+ISOINDOLINEDIONES
10 2 A PYRIMIDIN 4 ONE 113094 0% 100% 1 Search 2+A+PYRIMIDIN+4+ONE Search 2+A+PYRIMIDIN+4+ONE

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 HERMECZ, I , VASVARI-DEBRECZY, L , HORVATH, A , SIPOS, J , BALOGH, M , PODANYI, B , KOVACS, K , (1998) NITROGEN BRIDGEHEAD COMPOUNDS. PART 92. SYNTHESIS OF 4-OXO-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXAMIDES, -3-ACETAMIDES AND THEIR TETRAHYDRO DERIVATIVES.ACH-MODELS IN CHEMISTRY. VOL. 135. ISSUE 4. P. 515 -528 16 89% 2
2 HERMECZ, I , HORVATH, I , (1999) A RING TRANSFORMATION OF 6,7-DIHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONES.TETRAHEDRON. VOL. 55. ISSUE 33. P. 10221-10230 14 93% 0
3 TOTH, G , JANKE, F , HERMECZ, I , BITTER, I , (1990) NITROGEN BRIDGEHEAD COMPOUNDS .77. ADDITION-REACTION OF 9-METHYLENE-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONES.JOURNAL OF HETEROCYCLIC CHEMISTRY. VOL. 27. ISSUE 2. P. 247-253 15 83% 0
4 SIPOS, J , PODANYI, B , HERMECZ, I , PUSZTAY, L , TOTH, G , SZILAGYI, L , (1989) NITROGEN BRIDGEHEAD COMPOUNDS .76. SYNTHESIS AND STEREOCHEMISTRY OF ETHYL 9-BENZYLIDENE-6,7,8,9-TETRAHYDRO-2-OXO-2H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXYLATES AND 4-OXO-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXYLATES AND THEIR HOMOLOGS.JOURNAL OF HETEROCYCLIC CHEMISTRY. VOL. 26. ISSUE 4. P. 1061-1068 13 100% 1
5 HERMECZ, I , HORVATH, A , EROSTAKACSY, T , PODANYI, B , (1991) NITROGEN BRIDGEHEAD COMPOUNDS .82. AN UNEXPECTED RING TRANSFORMATION OF 6-HYDRAZONO-4-OXO-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDINE-3-CARBOXYLATES.HETEROCYCLES. VOL. 32. ISSUE 8. P. 1455-1460 11 100% 5
6 NIKITIN, SV , SMIRNOV, LD , (1994) SYNTHESIS, CHEMICAL AND BIOLOGICAL PROPERTIES OF PYRIDO[1,2-A]PYRIMIDINES (REVIEW).KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. VOL. . ISSUE 5. P. 579-596 9 100% 3
7 TOTH, G , SZOLLOSY, A , HERMECZ, I , HORVATH, A , MESZAROS, Z , (1985) TAUTOMERISM OF 9-FORMYLTETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONES AND THEIR RING HOMOLOGS - A H-1, C-13, AND N-15 NUCLEAR-MAGNETIC-RESONANCE STUDY.JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2. VOL. . ISSUE 12. P. 1881-1885 14 100% 2
8 BITTER, I , TOTH, G , HERMECZ, I , MESZAROS, Z , (1987) NITROGEN BRIDGEHEAD COMPOUNDS .59. NUCLEOPHILIC-SUBSTITUTION REACTIONS OF 9-BROMO-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONES.HETEROCYCLES. VOL. 26. ISSUE 4. P. 869-873 12 100% 1
9 JAHROMI, EB , MEHRANPOUR, A , NOWROUZI, N , (2016) FACILE SYNTHESIS OF NOVEL 3-SUBSTITUTED PYRIDO[1,2-A]PYRIMIDINIUM SALTS USING VINAMIDINIUM SALTS.SYNTHETIC COMMUNICATIONS. VOL. 46. ISSUE 22. P. 1833 -1839 8 53% 0
10 CAPPARELLI, MV , CHARRIS, JE , DOMINGUEZ, JN , (2006) STRUCTURES OF TWO N-METHYLATED TRICYCLIC QUINOLONES WITH ANTIMALARIAL ACTIVITY.JOURNAL OF CHEMICAL CRYSTALLOGRAPHY. VOL. 36. ISSUE 6. P. 389 -398 9 60% 3

Classes with closest relation at Level 1


Rank Class id link
1 28295 VASICINE//DEOXYVASICINONE//ADHATODA VASICA
2 22561 NMR MOL MODELING//HISTAMINE ANALOGUES//NMR MOL MODELLING
3 19913 EVODIAMINE//RUTAECARPINE//EVODIA RUTAECARPA
4 32124 MERCURYII EDTA DEHYDROGENATION//C AMINOMETHYLATION//HGII INDUCED DEHYDROGENATION
5 18332 1 8 NAPHTHYRIDINE//1 2 4TRIAZOLO4 3 A1 8NAPHTHYRIDINES//UNIV ARTS SCI
6 34330 1 3 DINUCLEOPHILIC ADDITION//2 PROPENYL ISOCYANATE//BIOMED ESTRUTURAL MOL IBB CBME
7 14034 GYOGYSZE ZI VEGYTANI INT//GRP STRUCT CHEM SPECT//DIFFNOE
8 26774 ISOXAZOLONES//3 METHYL 4 ARYLMETHYLENE ISOXAZOL 54H ONES//PALMEROLIDE
9 35943 TACTIVIN//ZOOL MARINE BIOL FISHERIES//AQUAT TOXICOL ECOPHYSIOL
10 32474 PI CONJUGATED ORGANIC COMPOUND//KETENE DITHIOACETAL S S DIOXIDE//RIBBON LIKE MOLECULAR ARRANGEMENT

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