Class information for:
Level 1: 1 BETA D PYRANOSYL 2 THIOCYTOSINES//4 OXO 2 THIOXOHEXAHYDROPYRIMIDINES//4 OXOPYRIDO2 3 DPYRIMIDINES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
26489 253 18.7 47%


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
917 2             HYDRAZONOYL HALIDES//AZA WITTIG REACTION//JOURNAL OF HETEROCYCLIC CHEMISTRY 11170
26489 1                   1 BETA D PYRANOSYL 2 THIOCYTOSINES//4 OXO 2 THIOXOHEXAHYDROPYRIMIDINES//4 OXOPYRIDO2 3 DPYRIMIDINES 253

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 1 BETA D PYRANOSYL 2 THIOCYTOSINES authKW 241386 1% 100% 2
2 4 OXO 2 THIOXOHEXAHYDROPYRIMIDINES authKW 241386 1% 100% 2
3 4 OXOPYRIDO2 3 DPYRIMIDINES authKW 241386 1% 100% 2
4 6 ARYL 5 CYANO 2 THIOURACILS authKW 241386 1% 100% 2
5 PENTAAZAPLEIADENES authKW 241386 1% 100% 2
6 PG PHARMACHEM address 241386 1% 100% 2
7 PYRIDO2 3 DPYRIMIDIN 78H ONES authKW 241386 1% 100% 2
8 GRP ENGN MOL address 240292 6% 13% 15
9 PYRIMIDOTRIAZINE authKW 160923 1% 67% 2
10 1 5 BIS2 FORMYLPHENOXY 3 OXAPENTANE CONDENSATIONS WITH THIOUREA GUANIDINE AND AMMONIA authKW 120693 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 4585 60% 0% 152
2 Chemistry, Medicinal 510 14% 0% 35
3 Chemistry, Multidisciplinary 347 26% 0% 65
4 Chemistry, Applied 90 6% 0% 16
5 Crystallography 48 4% 0% 11
6 Pharmacology & Pharmacy 14 7% 0% 18
7 Chemistry, Inorganic & Nuclear 12 4% 0% 9
8 Tropical Medicine 0 0% 0% 1
9 Parasitiology 0 0% 0% 1
10 Biochemistry & Molecular Biology -0 5% 0% 12

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 PG PHARMACHEM 241386 1% 100% 2
2 GRP ENGN MOL 240292 6% 13% 15
3 QUIM SINTESE PROD NAT 120693 0% 100% 1
4 QUIM SARRIA 81945 7% 4% 18
5 CNRSURA 1287 60345 0% 50% 1
6 MNDJOYAN FINE ORGAN CHEM SCI TECHNOL 60345 0% 50% 1
7 SINTESE PLANEJAMENTO FARM 60345 0% 50% 1
8 SINTESE VETORIZACAO MOL BIOAT 60345 0% 50% 1
9 GRP URIACH 40230 0% 33% 1
10 ISTANCE 40230 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 HETEROCYCLES 12566 15% 0% 37
2 MOLECULAR DIVERSITY 10166 4% 1% 9
3 JOURNAL OF HETEROCYCLIC CHEMISTRY 5369 9% 0% 22
4 JOURNAL FUR PRAKTISCHE CHEMIE-PRACTICAL APPLICATIONS AND APPLIED CHEMISTRY 3909 2% 1% 4
5 INDIAN JOURNAL OF HETEROCYCLIC CHEMISTRY 3703 3% 0% 8
6 HETEROCYCLIC COMMUNICATIONS 1900 2% 0% 5
7 ANALES DE QUIMICA SERIE C-QUIMICA ORGANICA Y BIOQUIMICA 1697 1% 0% 3
8 AFINIDAD 1597 2% 0% 5
9 SYNTHESIS-STUTTGART 1159 5% 0% 12
10 ARCHIV DER PHARMAZIE 694 2% 0% 5

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 1 BETA D PYRANOSYL 2 THIOCYTOSINES 241386 1% 100% 2 Search 1+BETA+D+PYRANOSYL+2+THIOCYTOSINES Search 1+BETA+D+PYRANOSYL+2+THIOCYTOSINES
2 4 OXO 2 THIOXOHEXAHYDROPYRIMIDINES 241386 1% 100% 2 Search 4+OXO+2+THIOXOHEXAHYDROPYRIMIDINES Search 4+OXO+2+THIOXOHEXAHYDROPYRIMIDINES
3 4 OXOPYRIDO2 3 DPYRIMIDINES 241386 1% 100% 2 Search 4+OXOPYRIDO2+3+DPYRIMIDINES Search 4+OXOPYRIDO2+3+DPYRIMIDINES
4 6 ARYL 5 CYANO 2 THIOURACILS 241386 1% 100% 2 Search 6+ARYL+5+CYANO+2+THIOURACILS Search 6+ARYL+5+CYANO+2+THIOURACILS
5 PENTAAZAPLEIADENES 241386 1% 100% 2 Search PENTAAZAPLEIADENES Search PENTAAZAPLEIADENES
6 PYRIDO2 3 DPYRIMIDIN 78H ONES 241386 1% 100% 2 Search PYRIDO2+3+DPYRIMIDIN+78H+ONES Search PYRIDO2+3+DPYRIMIDIN+78H+ONES
7 PYRIMIDOTRIAZINE 160923 1% 67% 2 Search PYRIMIDOTRIAZINE Search PYRIMIDOTRIAZINE
8 1 5 BIS2 FORMYLPHENOXY 3 OXAPENTANE CONDENSATIONS WITH THIOUREA GUANIDINE AND AMMONIA 120693 0% 100% 1 Search 1+5+BIS2+FORMYLPHENOXY+3+OXAPENTANE+CONDENSATIONS+WITH+THIOUREA+GUANIDINE+AND+AMMONIA Search 1+5+BIS2+FORMYLPHENOXY+3+OXAPENTANE+CONDENSATIONS+WITH+THIOUREA+GUANIDINE+AND+AMMONIA
9 1 6 DIHYDROPYRIMIDINES 120693 0% 100% 1 Search 1+6+DIHYDROPYRIMIDINES Search 1+6+DIHYDROPYRIMIDINES
10 1 BETA D FURANOSYL 2 THIOCYTOSINES 120693 0% 100% 1 Search 1+BETA+D+FURANOSYL+2+THIOCYTOSINES Search 1+BETA+D+FURANOSYL+2+THIOCYTOSINES

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 MONT, N , CARRION, F , BORRELL, JI , TEIXIDO, J , (2010) CYCLIZATION OF 5-CYANO-6-CYANOIMINO-3,4-DIHYDROPYRIDIN-2(1H)-ONES WITH AMINES.HETEROCYCLES. VOL. 81. ISSUE 2. P. 329 -347 12 92% 0
2 TEIXIDO, J , BORRELL, JI , SERRA, B , MATALLANA, JL , COLOMINAS, C , CARRION, F , PASCUAL, R , FALCO, JL , BATLLORI, X , (1999) CYCLIZATION OF TAUTOMERIC 1,5-DINITRILE SYSTEMS WITH HYDROGEN HALIDES: A DEFINITIVE MECHANISTIC RATIONALIZATION?.HETEROCYCLES. VOL. 50. ISSUE 2. P. 739-756 11 92% 7
3 KONAKAHARA, T , SUGAMA, N , YAMADA, A , KAKEHI, A , SAKAI, N , (2001) CYCLIZATION REACTION OF N-SILYL-1-AZAALLYL ANIONS WITH MICHAEL ACCEPTORS AS A NEW SYNTHETIC METHOD OF 2,3,5,6-TETRA- AND 2,3,6-TRISUBSTITUTED PYRIDINES.HETEROCYCLES. VOL. 55. ISSUE 2. P. 313-322 10 83% 8
4 BALALAIE, S , BARARJANIAN, M , ROMINGER, F , (2005) CRYSTAL STRUCTURE OF PIPERIDINIUM 5-CYANO-6-(3-CHLOROPHENYL)4-OXO-2-THIOPYRIMIDINATE, (C5H12N)[C11H5CLN3OS].ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES. VOL. 220. ISSUE 2. P. 269-270 7 100% 2
5 MONT, N , FERNANDEZ-MEGIDO, L , TEIXIDO, J , KAPPE, CO , BORRELL, JI , (2004) A DIVERSITY-ORIENTED, MICROWAVE-ASSISTED SYNTHESIS OF 4-OXO AND 4-CHLOROPYRIDO [2,3D] PYRIMIDIN-7(8H)-ONES.QSAR & COMBINATORIAL SCIENCE. VOL. 23. ISSUE 10. P. 836-849 11 65% 9
6 KONAKAHARA, T , OGAWA, R , TAMURA, S , KAKEHI, A , SAKAI, N , (2001) A NOVEL SYNTHESIS OF 3-NITROPYRIDINE DERIVATIVES FROM N-SILYL-1-AZAALLYLANIONS.HETEROCYCLES. VOL. 55. ISSUE 9. P. 1737 -+ 9 82% 7
7 BALALAIE, S , BARARJANIAN, M , ROMINGER, F , (2006) AN EFFICIENT ONE-POT SYNTHESIS OF 6-ARYL-5-CYANO-2-THIOPYRIMIDINONE DERIVATIVES AND THEIR PIPERIDINIUM IONIC FORMS, X-RAY CRYSTAL STRUCTURES.JOURNAL OF HETEROCYCLIC CHEMISTRY. VOL. 43. ISSUE 4. P. 821 -826 9 69% 5
8 MOHAMMADNEJAD, M , BARARJANIAN, M , BALALAIE, S , (2006) AN EFFECIENT ONE-POT SYNTHESIS OF 6-ARYL-5-CYANO-2-THIOPYRIMIDINONE DERIVATIVES AND THEIR TETRA-BUTYL AMMONIUM IONIC FORMS.HETEROCYCLIC COMMUNICATIONS. VOL. 12. ISSUE 6. P. 467-472 9 64% 0
9 VICTORY, P , BUSQUETS, N , BORRELL, JI , TEIXIDO, J , DEALVARO, C , ARENAS, A , ALVAREZLARENA, A , PINIELLA, JF , (1995) SYNTHESIS OF 5-OXO-1,2,3,5,6,7-HEXAHYDROIMIDAZO-[1,2-A]PYRIDINE-8-CARBONITRILES, 6-OXO-2,3,4,6,7,8-HEXAHYDRO-1H-PYRIDO[1,2-A]PYRIMIDINE-9-CARBONITRILES, AND 7-OXO-1,2,3,4,5,7,8,9-OCTAHYDROPYRIDO[1,2-A][1,3]DIAZEPINE-10-CARBONITRILES.HETEROCYCLES. VOL. 41. ISSUE 10. P. 2173-2179 9 90% 2
10 SUZUKI, H , SAKAI, N , IWAHARA, R , FUJIWAKA, T , SATOH, M , KAKEHI, A , KONAKAHARA, T , (2007) NOVEL SYNTHESIS OF 7-FLUORO-8-(TRIFLUOROMETHYL)-1H-1,6-NAPHTHYRIDIN-4-ONE DERIVATIVES: INTERMOLECULAR CYCLIZATION OF AN N-SILYL-1-AZAALLYL ANION WITH PERFLUOROALKENE AND SUBSEQUENT INTRAMOLECULAR SKELETAL TRANSFORMATION OF THE RESULTING PENTASUBSTITUTED PYRIDINES.JOURNAL OF ORGANIC CHEMISTRY. VOL. 72. ISSUE 15. P. 5878 -5881 10 48% 21

Classes with closest relation at Level 1


Rank Class id link
1 27396 NITRILE SULFIDES//1 3 4 OXATHIAZOL 2 ONES//OXATHIAZOLONE
2 22692 DEDC//DRUG EXPLORAT DEV CHAIR//THIAZOLOPYRIMIDINE
3 29931 DIPHENYLBORON CHELATES//BENZOYLCYANAMIDE//DIFLUOROBORON CHELATES
4 7632 PYRAZOLO1 5 APYRIMIDINE//2 ARYLHYDRAZONOPROPANALS//AZAENAMINE
5 35468 2 TOSYLACETONITRILE//1 2 3 TRIAZOLOISQUINOLINES//1 5 DITHIOCINS
6 11263 PYRIDO2 3 DPYRIMIDINES//6 AMINOURACIL//6 AMINOTHIOURACIL
7 11391 GEWALD REACTION//THIENO2 3 DPYRIMIDINE//THIENOPYRIMIDINE
8 16290 2H PYRAN 2 ONE//RING TRANSFORMATION REACTION//2 AMINO 3 CYANOPYRIDINE
9 10411 CYANOTHIOACETAMIDE//CHEMEX//THIENO2 3 BPYRIDINE
10 33291 AAPTAMINE//AAPTOS AAPTOS//4 BROMOMETHYLQUINOLINE 2 ONE

Go to start page