Class information for:
Level 1: PENEHYCLIDINE HYDROCHLORIDE//PHENCYNONATE//BISDIHYDROPYRANS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
25859 270 25.4 69%


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
1 3       CHEMISTRY, ORGANIC//TETRAHEDRON LETTERS//JOURNAL OF ORGANIC CHEMISTRY 237069
288 2             CHEMISTRY, ORGANIC//ALLYLATION//TETRAHEDRON LETTERS 18901
25859 1                   PENEHYCLIDINE HYDROCHLORIDE//PHENCYNONATE//BISDIHYDROPYRANS 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 PENEHYCLIDINE HYDROCHLORIDE authKW 1719792 8% 72% 21
2 PHENCYNONATE authKW 452375 1% 100% 4
3 BISDIHYDROPYRANS authKW 339281 1% 100% 3
4 TERTIARY ALPHA HYDROXY ACID authKW 339281 1% 100% 3
5 VICINAL DIOL PROTECTION authKW 339281 1% 100% 3
6 DISPIROKETALS authKW 226187 1% 100% 2
7 MUSCARINIC ACETYLCHOLINIC RECEPTORS authKW 226187 1% 100% 2
8 RESOLUTION OF 1 2 DIOLS authKW 226187 1% 100% 2
9 THIENCYNONATE authKW 226187 1% 100% 2
10 1 2 DIACETALS authKW 203566 1% 60% 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 4756 59% 0% 160
2 Chemistry, Multidisciplinary 137 17% 0% 46
3 Chemistry, Medicinal 26 4% 0% 10
4 Chemistry, Analytical 19 5% 0% 14
5 Chemistry, Inorganic & Nuclear 19 4% 0% 11
6 Pharmacology & Pharmacy 17 7% 0% 20
7 Crystallography 14 3% 0% 7
8 Biochemical Research Methods 13 3% 0% 9
9 Critical Care Medicine 1 1% 0% 2
10 Integrative & Complementary Medicine 1 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 AREA ADEM QUIM 113094 0% 100% 1
2 BRAIN DIS BIOINFORMAT JIANGSU PROV 113094 0% 100% 1
3 CEG GQO 113094 0% 100% 1
4 GEN HOSP SHENYANG COMMEND 113094 0% 100% 1
5 HAVEMEYER HALL 113094 0% 100% 1
6 HYPERTENS PHARMACOLRUIJIN HOSP 113094 0% 100% 1
7 IST COMPOSTI CARBONIO CONTENTI ETEROATOMI 113094 0% 100% 1
8 OCCUPAT POISONINGS 113094 0% 100% 1
9 PAIN TREATMENT PAIN MANAGEMENT 113094 0% 100% 1
10 PROD TECHNOLOGY DEV 113094 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 ORGANIC SYNTHESES 2869 1% 1% 3
2 TETRAHEDRON LETTERS 2848 16% 0% 43
3 SYNLETT 1341 5% 0% 13
4 TETRAHEDRON-ASYMMETRY 1082 4% 0% 10
5 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 988 4% 0% 10
6 SYNTHESIS-STUTTGART 910 4% 0% 11
7 JOURNAL OF ORGANIC CHEMISTRY 618 6% 0% 17
8 TETRAHEDRON 582 5% 0% 14
9 SYNTHETIC COMMUNICATIONS 500 3% 0% 8
10 ARKIVOC 491 1% 0% 4

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 PENEHYCLIDINE HYDROCHLORIDE 1719792 8% 72% 21 Search PENEHYCLIDINE+HYDROCHLORIDE Search PENEHYCLIDINE+HYDROCHLORIDE
2 PHENCYNONATE 452375 1% 100% 4 Search PHENCYNONATE Search PHENCYNONATE
3 BISDIHYDROPYRANS 339281 1% 100% 3 Search BISDIHYDROPYRANS Search BISDIHYDROPYRANS
4 TERTIARY ALPHA HYDROXY ACID 339281 1% 100% 3 Search TERTIARY+ALPHA+HYDROXY+ACID Search TERTIARY+ALPHA+HYDROXY+ACID
5 VICINAL DIOL PROTECTION 339281 1% 100% 3 Search VICINAL+DIOL+PROTECTION Search VICINAL+DIOL+PROTECTION
6 DISPIROKETALS 226187 1% 100% 2 Search DISPIROKETALS Search DISPIROKETALS
7 MUSCARINIC ACETYLCHOLINIC RECEPTORS 226187 1% 100% 2 Search MUSCARINIC+ACETYLCHOLINIC+RECEPTORS Search MUSCARINIC+ACETYLCHOLINIC+RECEPTORS
8 RESOLUTION OF 1 2 DIOLS 226187 1% 100% 2 Search RESOLUTION+OF+1+2+DIOLS Search RESOLUTION+OF+1+2+DIOLS
9 THIENCYNONATE 226187 1% 100% 2 Search THIENCYNONATE Search THIENCYNONATE
10 1 2 DIACETALS 203566 1% 60% 3 Search 1+2+DIACETALS Search 1+2+DIACETALS

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 DROP, A , WOJTASEK, H , FRACKOWIAK-WOJTASEK, B , (2014) STEREOSELECTIVE REACTIONS OF A THIOESTER BUTANEDIACETAL WITH VARIOUS ELECTROPHILES.TETRAHEDRON-ASYMMETRY. VOL. 25. ISSUE 20-21. P. 1396 -1400 15 88% 0
2 LEY, SV , POLARA, A , (2007) A FASCINATION WITH 1,2-DIACETALS.JOURNAL OF ORGANIC CHEMISTRY. VOL. 72. ISSUE 16. P. 5943-5959 34 43% 30
3 MICHEL, P , LEY, SV , (2003) SYNTHESIS OF ENANTIOMERS OF BUTANE-1,2-DIACETAL-PROTECTED GLYCERALDEHYDE AND OF (R,R)-BUTANE-1,2-DIACETAL-PROTECTED GLYCOLIC ACID.SYNTHESIS-STUTTGART. VOL. . ISSUE 10. P. 1598 -1602 19 73% 28
4 LEY, SV , DIEZ, E , DIXON, DJ , GUY, RT , MICHEL, P , NATTRASS, GL , SHEPPARD, TD , (2004) PREPARATION OF ENANTIOPURE BUTANE-2,3-DIACETALS OF GLYCOLIC ACID AND ALKYLATION REACTIONS LEADING TO ALPHA-HYDROXYACID AND AMIDE DERIVATIVES.ORGANIC & BIOMOLECULAR CHEMISTRY. VOL. 2. ISSUE 24. P. 3608 -3617 27 49% 28
5 LEY, SV , SHEPPARD, TD , MYERS, RM , CHORGHADE, MS , (2007) CHIRAL GLYCOLATE EQUIVALENTS FOR THE ASYMMETRIC SYNTHESIS OF ALPHA-HYDROXYCARBONYL COMPOUNDS.BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. VOL. 80. ISSUE 8. P. 1451 -1472 38 31% 20
6 LEY, SV , BAESCHLIN, DK , DIXON, DJ , FOSTER, AC , INCE, SJ , PRIEPKE, HWM , REYNOLDS, DJ , (2001) 1,2-DIACETALS: A NEW OPPORTUNITY FOR ORGANIC SYNTHESIS.CHEMICAL REVIEWS. VOL. 101. ISSUE 1. P. 53 -80 34 35% 95
7 MICHEL, P , LEY, SV , (2002) BUTANE-2,3-DIACETALS OF GLYCERALDEHYDE: A STABLE ALTERNATIVE TO GLYCERALDEHYDE ACETONIDE.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 41. ISSUE 20. P. 3898 -3901 15 79% 33
8 LENCE, E , CASTEDO, L , GONZALEZ-BELLO, C , (2008) THE CONFORMATIONAL RIGIDITY OF BUTANE-1,2-DIACETALS AS A POWERFUL SYNTHETIC TOOL.CHEMICAL SOCIETY REVIEWS. VOL. 37. ISSUE 8. P. 1689 -1708 27 38% 13
9 LEY, SV , MICHEL, P , (2004) PREPARATION OF BUTANE-1,2-DIACETAL-PROTECTED L-GLYCERALDEHYDE FROM D-MANNITOL.SYNTHESIS-STUTTGART. VOL. . ISSUE 1. P. 147 -150 13 76% 24
10 DIEZ, E , DIXON, DJ , LEY, SV , (2001) BUTANE-2,3-DIACETAL-DESYMMETRIZED GLYCOLIC ACID - A NEW BUILDING BLOCK FOR THE STEREOSELECTIVE SYNTHESIS OF ENANTIOPURE ALPHA-HYDROXY ACIDS.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. VOL. 40. ISSUE 15. P. 2906 -2909 20 53% 26

Classes with closest relation at Level 1


Rank Class id link
1 18856 CHIRAL DIENOPHILES//DPMGBS//NITRONATE SALTS
2 23089 INTRAMOLECULAR HALOETHERIFICATION//ENE ACETAL//RUBRENOLIDE
3 28936 HYDROXY AMIDES//2 3 NITROBENZYLSULFINYL BENZOIC ACID//4 2 PHENYLETHENESULFONYLMETHYLPHENYL QUINAZOLIN 4 YL AMINES
4 14566 NONENOLIDE//YAMAGUCHI ESTERIFICATION//MICROCARPALIDE
5 9974 CHELATED ENOLATES//UNSATURATED AMINO ACIDS//CATIONIC GLYCINE EQUIVALENT
6 6873 TITANIUM ENOLATES//THIAZOLIDINETHIONES//NON CROSS LINKED POLYSTYRENE
7 21837 TANIKOLIDE//MALYNGOLIDE//6 8 DIOXABICYCLO321OCTANE
8 33778 ALPHA BETA UNSATURATED HYDROXY ESTERS//DIOL DESYMMETRIZATION//IODOYLIDES
9 32015 ANOMERIC REARRANGEMENT//1 3 DIOXEPINS//1 3 DIOXEPINO5 6 BAZIRINE
10 37382 DAN SHECHTMAN//PANENMENTALISM//ALAN MACKAY

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