Class information for:
Level 1: BISTRIMETHYLSILYLKETENE ACETALS//N ACTIVATION//GAMMA AND DELTA LACTONES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
16574 647 26.9 61%


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
16574 1                   BISTRIMETHYLSILYLKETENE ACETALS//N ACTIVATION//GAMMA AND DELTA LACTONES 647

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 BISTRIMETHYLSILYLKETENE ACETALS authKW 141582 0% 100% 3
2 N ACTIVATION authKW 141582 0% 100% 3
3 GAMMA AND DELTA LACTONES authKW 106185 0% 75% 3
4 CHIRAL ACYL CHLORIDE authKW 94388 0% 100% 2
5 DIENAMIDE REDUCTION authKW 94388 0% 100% 2
6 HOMOLAUDANOSINE authKW 94388 0% 100% 2
7 ALLYLTRIBUTYLTIN authKW 89412 1% 32% 6
8 DIHYDROPYRIDONES authKW 84941 1% 30% 6
9 4 ARYLPYRIDINES authKW 70788 0% 50% 3
10 AZA AROMATICS authKW 70788 0% 50% 3

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 17485 73% 0% 472
2 Chemistry, Multidisciplinary 709 23% 0% 151
3 Chemistry, Medicinal 86 4% 0% 27
4 Crystallography 12 2% 0% 12
5 Chemistry, Inorganic & Nuclear 7 2% 0% 15
6 Pharmacology & Pharmacy 6 5% 0% 30
7 Multidisciplinary Sciences 0 0% 0% 2
8 Education, Scientific Disciplines -0 0% 0% 1
9 Spectroscopy -2 0% 0% 2
10 Engineering, General -2 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 DPTO CIENCIAS QUIM 47194 0% 100% 1
2 FEDERAT CHIM MOL 47194 0% 100% 1
3 FR CNRS SCI TECH 2465 47194 0% 100% 1
4 LILLY CORP DROP CODE 0528 47194 0% 100% 1
5 PHARM 15 YAGOTO URAYAMA TENPAKU KU 47194 0% 100% 1
6 PHARM TEMPAKA KU 47194 0% 100% 1
7 QUIM UNAM 47194 0% 100% 1
8 URLA BRANCH 47194 0% 100% 1
9 SYNTH ORGANOMET 47190 0% 33% 3
10 UMR 7611 37423 2% 6% 14

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 LETTERS 7937 17% 0% 111
2 HETEROCYCLES 7548 7% 0% 46
3 KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 6242 4% 0% 29
4 JOURNAL OF ORGANIC CHEMISTRY 3382 9% 0% 61
5 ORGANIC LETTERS 3082 6% 0% 41
6 SYNLETT 1896 4% 0% 24
7 TETRAHEDRON 1798 6% 0% 38
8 SYNTHESIS-STUTTGART 1375 3% 0% 21
9 ARCHIV DER PHARMAZIE 1310 2% 0% 11
10 JOURNAL OF THE CHINESE CHEMICAL SOCIETY 629 1% 0% 8

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 BISTRIMETHYLSILYLKETENE ACETALS 141582 0% 100% 3 Search BISTRIMETHYLSILYLKETENE+ACETALS Search BISTRIMETHYLSILYLKETENE+ACETALS
2 N ACTIVATION 141582 0% 100% 3 Search N+ACTIVATION Search N+ACTIVATION
3 GAMMA AND DELTA LACTONES 106185 0% 75% 3 Search GAMMA+AND+DELTA+LACTONES Search GAMMA+AND+DELTA+LACTONES
4 CHIRAL ACYL CHLORIDE 94388 0% 100% 2 Search CHIRAL+ACYL+CHLORIDE Search CHIRAL+ACYL+CHLORIDE
5 DIENAMIDE REDUCTION 94388 0% 100% 2 Search DIENAMIDE+REDUCTION Search DIENAMIDE+REDUCTION
6 HOMOLAUDANOSINE 94388 0% 100% 2 Search HOMOLAUDANOSINE Search HOMOLAUDANOSINE
7 ALLYLTRIBUTYLTIN 89412 1% 32% 6 Search ALLYLTRIBUTYLTIN Search ALLYLTRIBUTYLTIN
8 DIHYDROPYRIDONES 84941 1% 30% 6 Search DIHYDROPYRIDONES Search DIHYDROPYRIDONES
9 4 ARYLPYRIDINES 70788 0% 50% 3 Search 4+ARYLPYRIDINES Search 4+ARYLPYRIDINES
10 AZA AROMATICS 70788 0% 50% 3 Search AZA+AROMATICS Search AZA+AROMATICS

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 BULL, JA , MOUSSEAU, JJ , PELLETIER, G , CHARETTE, AB , (2012) SYNTHESIS OF PYRIDINE AND DIHYDROPYRIDINE DERIVATIVES BY REGIO- AND STEREOSELECTIVE ADDITION TO N-ACTIVATED PYRIDINES.CHEMICAL REVIEWS. VOL. 112. ISSUE 5. P. 2642 -2713 153 37% 225
2 EGOROV, IN , TSEITLER, TA , ZYRYANOV, GV , RUSINOV, VL , CHUPAKHIN, ON , (2012) ASYMMETRIC REACTIONS OF A SERIES OF AROMATIC AZINES WITH NUCLEOPHILES.HETEROCYCLES. VOL. 86. ISSUE 2. P. 821-889 59 58% 1
3 PODDUBNYI, IS , (1995) REGIOSELECTIVITY OF REACTIONS OF PYRIDINIUM AND QUINOLINIUM SALTS WITH VARIOUS NUCLEOPHILES.KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII. VOL. . ISSUE 6. P. 774-815 63 50% 11
4 EGOROV, IN , ZYRYANOV, GV , RUSINOV, VL , CHUPAKHIN, ON , (2005) ASYMMETRIC INDUCTION IN THE NUCLEOPHILIC ADDITION IN THE SERIES OF AROMATIC AZINES.USPEKHI KHIMII. VOL. 74. ISSUE 12. P. 1176-1192 32 59% 4
5 SCHMIDT, A , MICHALIK, D , ROTZOLL, S , ULLAH, E , FISCHER, C , REINKE, H , GORLS, H , LANGER, P , (2008) SYNTHESIS OF AZOXABICYCLO[3.3.1]NONANONES BASED ON DIASTEREOSELECTIVE REACTIONS OF 1,1-BIS(TRIMETHYLSILYLOXY)KETENE ACETALS WITH ISOQUINOLINES AND QUINOLINES.ORGANIC & BIOMOLECULAR CHEMISTRY. VOL. 6. ISSUE 15. P. 2804 -2814 21 81% 14
6 SAITO, A , SUDO, K , IIMURA, K , HAYASHI, M , HANZAWA, Y , (2012) REISSERT-LIKE ALKENYLATION OF AZAAROMATIC COMPOUNDS WITH ALKENYLZIRCONOCENE CHLORIDE COMPLEXES.HETEROCYCLES. VOL. 86. ISSUE 1. P. 267 -280 29 51% 1
7 SAITO, A , SAKURAI, H , SUDO, K , MURAI, K , HANZAWA, Y , (2013) REISSERT-TYPE ACYLATION WITH ACYLZIRCONOCENE CHLORIDE COMPLEXES.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. 2013. ISSUE 32. P. 7295 -7299 29 49% 0
8 ITOH, T , MIYAZAKI, M , NAGATA, K , OHSAWA, A , (2000) ADDITION REACTION OF IMIDAZOLES AND THIAZOLES WITH SILYL ENOL ETHERS IN THE PRESENCE OF ALKYL CHLOROFORMATE.TETRAHEDRON. VOL. 56. ISSUE 26. P. 4383-4395 24 80% 19
9 GARDUNO-ALVA, A , ORTEGA-ALFARO, MC , LOPEZ-CORTES, JG , CHAVEZ, I , BARROSO-FLORES, J , TOSCANO, RA , RUDLER, H , ALVAREZ-TOLEDANO, C , (2012) SYNTHESIS OF NEW GAMMA-LACTONES FROM PREACTIVATED MONOSUBSTITUTED PYRAZINES AND TMS-KETENE ACETALS.CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE. VOL. 90. ISSUE 5. P. 469 -482 18 78% 0
10 YAMADA, S , INOUE, M , (2007) REGIO- AND STEREOSELECTIVE ADDITION OF ALLYLMETAL REAGENTS TO PYRIDINIUM-PI AND QUINOLINIUM-PI COMPLEXES.ORGANIC LETTERS. VOL. 9. ISSUE 8. P. 1477 -1480 26 57% 25

Classes with closest relation at Level 1


Rank Class id link
1 37237 PYRAZOLE BIPYRIDINE LIGANDS//CENT S SHINAGAWA KU//1 3 BENZOXAZINONES
2 22870 REISSERT COMPOUNDS//ALPHA CYANATION//PYRAZINE N OXIDES
3 7087 PIPERIDINE ALKALOIDS//PIPERIDINE//3 HYDROXYPIPECOLIC ACID
4 13772 PUMILIOTOXINS//INDOLIZIDINES//QUINOLIZIDINES
5 36397 3 5 DIPHENYLPYRIDINES//34 STRAIN//AMINOACID CHLORINATION
6 6498 ASPIDOSPERMA ALKALOIDS//ASPIDOPHYTINE//STRYCHNOS ALKALOIDS
7 23853 STEPWISE 33 ANNULATION//CINCHOLOIPON//OXAZOLOISOQUINOLINONES
8 24562 NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN//1 2 DIHYDROPYRAZINES//SIGMAH ADDUCTS
9 32675 CHIRAL NON RACEMIC PYRIDINE//2 2 PYRIDINE DERIVATIVES//4 6 DIMETHY 2 METHYLSULFONYLPYRIMIDINE
10 23122 FR901483//HALICHLORINE//PINNAIC ACID

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