Class information for:
Level 1: 1 2 DIHYDROPYRAZINES//REACTIONS WITH NUCLEOPHILES//SIGMAH ADDUCTS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
21365 363 20.4 36%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
2331 4012 VICARIOUS NUCLEOPHILIC SUBSTITUTION//NUCLEOPHILIC SUBSTITUTION OF HYDROGEN//SIGMAH ADDUCTS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 1 2 DIHYDROPYRAZINES Author keyword 4 67% 1% 4
2 REACTIONS WITH NUCLEOPHILES Author keyword 4 75% 1% 3
3 SIGMAH ADDUCTS Author keyword 3 45% 1% 5
4 CONTROLE MEDICAMENTS Address 3 50% 1% 4
5 POLE COMPETENCE PHARCHIM Address 2 67% 1% 2
6 UNITE RADIOIMMUNOANAL Address 2 67% 1% 2
7 1 3 3A 4 9 9A HEXAHYDRO 2H PYRROLO2 3 BQUINOXALINE 2 THIONES Author keyword 1 100% 1% 2
8 3 ARYL 1 2 4 TRIAZINES Author keyword 1 100% 1% 2
9 AMINOVINYL KETONES Author keyword 1 50% 1% 2
10 AROMATIC NUCLEOPHILIC SUBSTITUTION OF HYDROGEN Author keyword 1 100% 1% 2

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class		 LCSH search Wikipedia search
1 1 2 DIHYDROPYRAZINES 4 67% 1% 4 Search 1+2+DIHYDROPYRAZINES Search 1+2+DIHYDROPYRAZINES
2 REACTIONS WITH NUCLEOPHILES 4 75% 1% 3 Search REACTIONS+WITH+NUCLEOPHILES Search REACTIONS+WITH+NUCLEOPHILES
3 SIGMAH ADDUCTS 3 45% 1% 5 Search SIGMAH+ADDUCTS Search SIGMAH+ADDUCTS
4 1 3 3A 4 9 9A HEXAHYDRO 2H PYRROLO2 3 BQUINOXALINE 2 THIONES 1 100% 1% 2 Search 1+3+3A+4+9+9A+HEXAHYDRO+2H+PYRROLO2+3+BQUINOXALINE+2+THIONES Search 1+3+3A+4+9+9A+HEXAHYDRO+2H+PYRROLO2+3+BQUINOXALINE+2+THIONES
5 3 ARYL 1 2 4 TRIAZINES 1 100% 1% 2 Search 3+ARYL+1+2+4+TRIAZINES Search 3+ARYL+1+2+4+TRIAZINES
6 AMINOVINYL KETONES 1 50% 1% 2 Search AMINOVINYL+KETONES Search AMINOVINYL+KETONES
7 AROMATIC NUCLEOPHILIC SUBSTITUTION OF HYDROGEN 1 100% 1% 2 Search AROMATIC+NUCLEOPHILIC+SUBSTITUTION+OF+HYDROGEN Search AROMATIC+NUCLEOPHILIC+SUBSTITUTION+OF+HYDROGEN
8 CYCLIC ADDUCTS 1 100% 1% 2 Search CYCLIC+ADDUCTS Search CYCLIC+ADDUCTS
9 N METHYLQUINOXALINIUM IODIDE 1 100% 1% 2 Search N+METHYLQUINOXALINIUM+IODIDE Search N+METHYLQUINOXALINIUM+IODIDE
10 NUCLEOPHILIC ADDITION TO AZINES 1 100% 1% 2 Search NUCLEOPHILIC+ADDITION+TO+AZINES Search NUCLEOPHILIC+ADDITION+TO+AZINES

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 N ALKYLAZINIUM CATIONS 6 71% 1% 5
2 6 AZAPURINES 4 75% 1% 3
3 BIFUNCTIONAL NUCLEOPHILES 4 75% 1% 3
4 PROTONATED 1 3 DIAZINES 4 75% 1% 3
5 1 2 4 TRIAZIN 52H ONES 3 100% 1% 3
6 QUINOXALINIUM SALTS 3 100% 1% 3
7 O NUCLEOPHILES 2 67% 1% 2
8 HINSBERG REACTION 2 40% 1% 4
9 1 ETHYL 1 4 DIAZINIUM SALTS 1 100% 1% 2
10 TANDEM AN AN 1 100% 1% 2

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Nucleophilic attack on the unsubstituted carbon atoms of azines and nitroarenes as an efficient strategy for constructing heterocyclic systems 2002 17 43 33%
REACTIONS OF AZINES WITH BIFUNCTIONAL NUCLEOPHILES - CYCLIZATIONS AND RING TRANSFORMATIONS 1988 17 81 46%
RECENT ADVANCES IN THE CHEMISTRY OF ASYM-TRIAZINIUM SALTS 1992 23 54 20%
Convenient and general microwave-assisted protocols for the expedient synthesis of heterocycles 2006 21 37 14%
APPLICATION OF H-1, C-13 AND N-15 NMR IN THE CHEMISTRY OF 1,4-DIAZINES 1988 10 65 49%
TRANSFORMATION OF AZINES UNDER 1,3-BIFUNCTIONAL NUCLEOPHILES 1984 11 43 37%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 CONTROLE MEDICAMENTS 3 50% 1.1% 4
2 POLE COMPETENCE PHARCHIM 2 67% 0.6% 2
3 UNITE RADIOIMMUNOANAL 2 67% 0.6% 2
4 BIOCHIM ENVIRONM AGROALIMENTAIRE URAC 36 1 30% 0.8% 3
5 CHIM HETEROCYCL 1 30% 0.8% 3
6 I POSTOVSKY ORGAN SYNTH 1 17% 1.4% 5
7 DIFFRACT RAYONS 10 1 33% 0.6% 2
8 IYA POSTOVSKY ORGAN SYNTH 1 17% 1.1% 4
9 UATRS 1 13% 1.4% 5
10 IY POSTOVSKY ORGAN SYNTH 1 22% 0.6% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000194158 VICARIOUS NUCLEOPHILIC SUBSTITUTION//VICARIOUS NUCLEOPHILIC SUBSTITUTION OF HYDROGEN//EMISSION AND ABSORPTION SPECTRA
2 0.0000156661 TETRAZINES//1 2 4 5 TETRAZINES//1 4 DIHYDRO S TETRAZINE
3 0.0000153421 CENT FOOD FEED//1 2 4 TRIAZINE//PYRAZOLO5 1 C1 2 4TRIAZIN 4 ONES
4 0.0000112701 RAMAGE S//2H BENZIMIDAZOLE 1 3 DIOXIDE//4 AMINO 25H FURANONES
5 0.0000101297 NITROPYRIMIDINONE//NAPHTHYLPYRIDINE//NITROMALONALDEHYDE
6 0.0000075719 CHLOROPYRIMIDINE//ALPHA CYANATION//AMINOPYRAZINES
7 0.0000074002 GAMMA AND DELTA LACTONES//BISTRIMETHYLSILYLKETENE ACETALS//N ACTIVATION
8 0.0000073930 QUINOXALINE//QUINOXALINES//XK469
9 0.0000073805 DIQUINOLINYL SULFIDES//THIAZINE RING FORMATION//AZAPHENOTHIAZINE
10 0.0000068592 21H PYRAZINONES//SIMULTANEOUS COOLING//PYRAZINONE