Class information for:
Level 1: D L ALPHA TOCOPHEROL//PERFLUOROALKANESULFONIC//2R 4 R 8 R ALPHA TOCOPHEROL

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
23530 343 24.6 51%


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
0 4 BIOCHEMISTRY & MOLECULAR BIOLOGY//CELL BIOLOGY//ONCOLOGY 4064930
366 3       CROCIN//SAFRANAL//CROCUS SATIVUS L 33995
1828 2             TOCOTRIENOL//VITAMIN E//TOCOPHEROL 6190
23530 1                   D L ALPHA TOCOPHEROL//PERFLUOROALKANESULFONIC//2R 4 R 8 R ALPHA TOCOPHEROL 343

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 D L ALPHA TOCOPHEROL authKW 400604 2% 75% 6
2 PERFLUOROALKANESULFONIC authKW 356095 1% 100% 4
3 2R 4 R 8 R ALPHA TOCOPHEROL authKW 267071 1% 100% 3
4 CHROMANETHANOL authKW 267071 1% 100% 3
5 BISHYDROXYLATION authKW 237394 1% 67% 4
6 1 1 3 TRIMETHYL 3 PHENYLINDAN authKW 178047 1% 100% 2
7 DELTA3 CHROMENES authKW 178047 1% 100% 2
8 MDL 73404 authKW 178047 1% 100% 2
9 NAFION H CATALYST authKW 178047 1% 100% 2
10 NAFION H SIO2 authKW 178047 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 2047 35% 0% 121
2 Chemistry, Multidisciplinary 765 32% 0% 109
3 Chemistry, Physical 218 19% 0% 66
4 Chemistry, Medicinal 155 7% 0% 24
5 Engineering, Chemical 137 10% 0% 33
6 Engineering, Petroleum 128 2% 0% 7
7 Chemistry, Applied 126 6% 0% 22
8 Polymer Science 39 5% 0% 18
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 10 1% 0% 3
10 Pharmacology & Pharmacy 7 6% 0% 19

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 VITAMIN TECHNOL DEV 118697 1% 67% 2
2 BASIC S KOHOKU KU 89024 0% 100% 1
3 CHIM MOL BIOACT AROMES CHIM NICE 89024 0% 100% 1
4 ION EXCHANGE MEMBRANE TECHNOL DEV 89024 0% 100% 1
5 OPS MT 89024 0% 100% 1
6 PROD S KOHOKU KU 89024 0% 100% 1
7 STATE C CHEM TECHNOL 1 89024 0% 100% 1
8 STATE CHEM ENGN MEMBRANE SCI 89024 0% 100% 1
9 UMR 7509ECPM 25 89024 0% 100% 1
10 UPCAM ISM2 SERV D42 89024 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 KHIMIKO-FARMATSEVTICHESKII ZHURNAL 2808 3% 0% 9
2 PETROLEUM CHEMISTRY 2333 2% 0% 7
3 CHIMIA 1946 2% 0% 8
4 APPLIED CATALYSIS A-GENERAL 1499 4% 0% 14
5 DOKLADY CHEMISTRY 1160 1% 0% 4
6 RUSSIAN CHEMICAL BULLETIN 1126 3% 0% 11
7 SYNLETT 1050 4% 0% 13
8 ORGANIC PROCESS RESEARCH & DEVELOPMENT 720 1% 0% 5
9 CATALYSIS LETTERS 581 2% 0% 7
10 SYNTHETIC COMMUNICATIONS 496 3% 0% 9

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 D L ALPHA TOCOPHEROL 400604 2% 75% 6 Search D+L+ALPHA+TOCOPHEROL Search D+L+ALPHA+TOCOPHEROL
2 PERFLUOROALKANESULFONIC 356095 1% 100% 4 Search PERFLUOROALKANESULFONIC Search PERFLUOROALKANESULFONIC
3 2R 4 R 8 R ALPHA TOCOPHEROL 267071 1% 100% 3 Search 2R+4+R+8+R+ALPHA+TOCOPHEROL Search 2R+4+R+8+R+ALPHA+TOCOPHEROL
4 CHROMANETHANOL 267071 1% 100% 3 Search CHROMANETHANOL Search CHROMANETHANOL
5 BISHYDROXYLATION 237394 1% 67% 4 Search BISHYDROXYLATION Search BISHYDROXYLATION
6 1 1 3 TRIMETHYL 3 PHENYLINDAN 178047 1% 100% 2 Search 1+1+3+TRIMETHYL+3+PHENYLINDAN Search 1+1+3+TRIMETHYL+3+PHENYLINDAN
7 DELTA3 CHROMENES 178047 1% 100% 2 Search DELTA3+CHROMENES Search DELTA3+CHROMENES
8 MDL 73404 178047 1% 100% 2 Search MDL+73404 Search MDL+73404
9 NAFION H CATALYST 178047 1% 100% 2 Search NAFION+H+CATALYST Search NAFION+H+CATALYST
10 NAFION H SIO2 178047 1% 100% 2 Search NAFION+H+SIO2 Search NAFION+H+SIO2

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 NETSCHER, T , (2007) SYNTHESIS OF VITAMIN E.VITAMIN E: VITAMINS AND HORMONES ADVANCES IN RESEARCH AND APPLICATIONS. VOL. 76. ISSUE . P. 155-202 45 49% 39
2 HUANG, XG , LI, T , JIN, RH , TIAN, WS , (2006) ASYMMETRIC SYNTHESIS OF VITAMIN E.CHINESE JOURNAL OF ORGANIC CHEMISTRY. VOL. 26. ISSUE 10. P. 1353-1361 22 79% 2
3 SHAFIKOV, RV , SPIVAK, AY , ODINOKOV, VN , (2010) ENANTIOSELECTIVE TRANSESTERIFICATION OF (+/-)-6-BENZYLOXY-2,5,7,8-TETRAMETHYL-3,4-DIHYDRO-2H-1-BENZOPYRAN-2-YLMETHANOL CATALYZED BY THE AMANO PS LIPASE IN THE IONIC LIQUID [BMIM]PF6.RUSSIAN CHEMICAL BULLETIN. VOL. 59. ISSUE 11. P. 2129 -2132 20 77% 0
4 WANG, H , XU, BQ , (2004) CATALYTIC PERFORMANCE OF NAFION/SIO2 NANOCOMPOSITES FOR THE SYNTHESIS OF ALPHA-TOCOPHEROL.APPLIED CATALYSIS A-GENERAL. VOL. 275. ISSUE 1-2. P. 247-255 21 66% 23
5 GRIGOR'EVA, NG , BUBENNOV, SV , KHALILOV, LM , KUTEPOV, BI , (2011) CODIMERISATION OF STYRENE AND ALPHA-METHYLSTYRENE IN THE PRESENCE OF ZEOLITES.APPLIED CATALYSIS A-GENERAL. VOL. 407. ISSUE 1-2. P. 85-90 11 100% 1
6 SPIVAK, AY , SHAFIKOV, RV , ODINOKOV, VN , (2011) NEW POSSIBILITIES IN A SYNTHESIS OF (2R,4 ' R,8 ' R)-ALPHA-TOCOPHEROL (NATURAL VITAMIN E).ARKIVOC. VOL. . ISSUE . P. 67-75 16 67% 1
7 GEMBUS, V , SALA-JUNG, N , UGUEN, D , (2009) A CONVENIENT ACCESS TO (ALL-RAC)-ALPHA-TOCOPHEROL ACETATE FROM LINALOOL AND DIHYDROMYRCENE.BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. VOL. 82. ISSUE 7. P. 829 -842 33 34% 0
8 WANG, H , XU, BQ , (2003) SYNTHESIS OF ALPHA-TOCOPHEROL USING SILICA ENTRAPPED NAFION CATALYST.ACTA CHIMICA SINICA. VOL. 61. ISSUE 10. P. 1667-1670 14 78% 0
9 ODINOKOV, VN , SPIVAK, AY , EMEL'YANOVA, GA , GAMALEVICH, GD , SEREBRYAKOV, EP , (2001) 2,5,6,7,8-PENTASUBSTITUTED (S)- AND (R)-[2-CHROMAN-2-YL]ETHANOLS AS INTERMEDIATES FOR THE SYNTHESIS OF ALPHA-TOCOPHEROL AND ITS CHIRAL ANALOGS.RUSSIAN CHEMICAL BULLETIN. VOL. 50. ISSUE 11. P. 2121-2129 12 92% 5
10 RACHWALIK, R , (2016) EFFECT OF SILICA SUPPORT MODIFIED BY DODECATUNGSTOPHOSPHORIC ACID ON COURSE OF THE PSEUDOIONONE CYCLIZATION.PRZEMYSL CHEMICZNY. VOL. 95. ISSUE 10. P. 1942 -1946 10 71% 0

Classes with closest relation at Level 1


Rank Class id link
1 9486 FRIEDEL CRAFTS ACYLATION//2 METHOXYNAPHTHALENE//BENZYLATION OF BENZENE
2 28312 2 METHYL 1 NAPHTHOL//3 5 DIMETHYL 4 HYDROXYBENZALDEHYDE//2 METHYLNAPHTHALENE
3 24926 CARBON BASED SOLID ACID//LIQUID PHASE DEHYDRATION//NH NH2O
4 37502 REMIREA MARITIMA//2 BUTENYL PHENYL SULFIDE//2 CARBOXY 6 METHOXY 2 3 DIHYDROBENZOFURAN ACID
5 26480 HYDROVINYLATION//CODIMERIZATION//OLEFIN DIMERISATION
6 12772 FI ER TROP REFINERY CATALYSIS//ISOAMYLENE//ISOBUTENE DIMERIZATION
7 15753 QUINONE METHIDE//O QUINONE METHIDE//ORTHO QUINONE METHIDE
8 2693 VITAMIN E//GAMMA TOCOPHEROL//ALPHA TOCOPHEROL
9 37374 COAL WAX//NON CATALYZED POLYMERIZATION//LUBRICANT BASE STOCKS
10 23089 INTRAMOLECULAR HALOETHERIFICATION//ENE ACETAL//RUBRENOLIDE

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