Class information for:
Level 1: ORGANOMETALL ORGANOMETALLOID CHEM//ALKYL PHOSPHITES//WITTIG REAGENTS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
19420 506 24.1 35%


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
2015 2             ACETYLENIC ESTERS//PHOSPHORUS YLIDES//TRIPHENYLPHOSPHINE 5465
19420 1                   ORGANOMETALL ORGANOMETALLOID CHEM//ALKYL PHOSPHITES//WITTIG REAGENTS 506

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 ORGANOMETALL ORGANOMETALLOID CHEM address 543079 5% 38% 24
2 ALKYL PHOSPHITES authKW 511155 2% 71% 12
3 WITTIG REAGENTS authKW 407328 2% 75% 9
4 PESTICIDE CHEM address 401896 9% 15% 45
5 WITTIG HORNER REAGENTS authKW 386208 2% 80% 8
6 CHEM IND address 371416 7% 18% 35
7 ORGANOMET ORGANOMETALLOID CHEM address 369614 1% 88% 7
8 PHOSPHONYL CARBANIONS authKW 301727 1% 100% 5
9 PHOSPHORANYLIDENES authKW 271552 1% 75% 6
10 PHOSPHONIUM YLIDES authKW 268361 3% 34% 13

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 8438 58% 0% 292
2 Chemistry, Inorganic & Nuclear 2403 25% 0% 126
3 Chemistry, Multidisciplinary 1638 38% 0% 190
4 Chemistry, Medicinal 22 3% 0% 14
5 Chemistry, Applied 8 2% 0% 10
6 Crystallography 1 1% 0% 5
7 Geology 0 0% 0% 1
8 Spectroscopy -2 0% 0% 1
9 Biology -2 0% 0% 1
10 Pharmacology & Pharmacy -3 2% 0% 8

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 ORGANOMETALL ORGANOMETALLOID CHEM 543079 5% 38% 24
2 PESTICIDE CHEM 401896 9% 15% 45
3 CHEM IND 371416 7% 18% 35
4 ORGANOMET ORGANOMETALLOID CHEM 369614 1% 88% 7
5 ORGANOMETALL ORGANOMETALLIOD CHEM 60345 0% 100% 1
6 ORGANOMETALL ORGANOMETALLOIDE CHEM 60345 0% 100% 1
7 PEST CHEM 60345 0% 100% 1
8 AL KAMIL BRANCH 48274 0% 40% 2
9 MICROBIAL CHEM 13121 2% 3% 8
10 ABT ORGAN CHEM 3548 0% 6% 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 PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS 77546 23% 1% 114
2 HETEROATOM CHEMISTRY 12365 4% 1% 21
3 CHEMISCHE BERICHTE-RECUEIL 8887 6% 1% 29
4 JOURNAL OF HETEROCYCLIC CHEMISTRY 5311 6% 0% 31
5 MONATSHEFTE FUR CHEMIE 4312 4% 0% 21
6 HETEROCYCLIC COMMUNICATIONS 3799 2% 1% 10
7 JOURNAL OF CHEMICAL RESEARCH 2025 3% 0% 14
8 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 1904 4% 0% 19
9 JOURNAL OF CHEMICAL RESEARCH-S 1590 2% 0% 9
10 TETRAHEDRON 1070 5% 0% 26

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 ALKYL PHOSPHITES 511155 2% 71% 12 Search ALKYL+PHOSPHITES Search ALKYL+PHOSPHITES
2 WITTIG REAGENTS 407328 2% 75% 9 Search WITTIG+REAGENTS Search WITTIG+REAGENTS
3 WITTIG HORNER REAGENTS 386208 2% 80% 8 Search WITTIG+HORNER+REAGENTS Search WITTIG+HORNER+REAGENTS
4 PHOSPHONYL CARBANIONS 301727 1% 100% 5 Search PHOSPHONYL+CARBANIONS Search PHOSPHONYL+CARBANIONS
5 PHOSPHORANYLIDENES 271552 1% 75% 6 Search PHOSPHORANYLIDENES Search PHOSPHORANYLIDENES
6 PHOSPHONIUM YLIDES 268361 3% 34% 13 Search PHOSPHONIUM+YLIDES Search PHOSPHONIUM+YLIDES
7 WITTIG HORNER SYNTHONS 181036 1% 100% 3 Search WITTIG+HORNER+SYNTHONS Search WITTIG+HORNER+SYNTHONS
8 PHOSPHACUMULENES 167622 1% 56% 5 Search PHOSPHACUMULENES Search PHOSPHACUMULENES
9 ALKYLIDENEPHOSPHORANES 135776 1% 75% 3 Search ALKYLIDENEPHOSPHORANES Search ALKYLIDENEPHOSPHORANES
10 ALPHA BETA UNSATURATED CARBONITRILES 120691 0% 100% 2 Search ALPHA+BETA+UNSATURATED+CARBONITRILES Search ALPHA+BETA+UNSATURATED+CARBONITRILES

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 ABDOU, WM , SEDIEK, AA , KHIDRE, MD , (2008) AN EFFICIENT METHOD FOR THE SYNTHESIS OF SPIRO AND FUSED N-HETEROCYCLIC PHOSPHOR ESTERS. REACTIONS OF TRIKETOINDAN-2-OXIME WITH ALPHA-PHOSPHONYL CARBANIONS.MONATSHEFTE FUR CHEMIE. VOL. 139. ISSUE 6. P. 617 -623 20 100% 3
2 ABDOU, WM , (2002) CHEMICAL REACTIVITY OF ALKYLIDENE PHOSPHORANES AND THE RELEVANT PHOSPHONIUM SALTS TOWARD SOME CARBON-NITROGEN SYSTEMS.PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS. VOL. 177. ISSUE 2. P. 325 -389 53 41% 4
3 GAUTAM, DR , LITINAS, KE , FYLAKTAKIDOU, KC , NICOLAIDES, DN , (2003) SYNTHESIS OF SOME [1,3]BENZODIOXOLES VIA THE REACTION OF O-QUINONES WITH PHOSPHORUS YLIDES.PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS. VOL. 178. ISSUE 9. P. 1851 -1864 22 92% 2
4 BOULOS, LS , ABD-EL-MALEK, HA , (1999) THE REACTION OF WITTIG AND WITTIG-HORNER REAGENTS WITH DICYANOMETHYLENE DERIVATIVES OF FLUORENONE, XANTHONE, AND THIAXANTHONE. A NOVEL SYNTHESIS OF PHOSPHORANYLIDENECYCLOBUTYLIDENE DERIVATIVES.HETEROATOM CHEMISTRY. VOL. 10. ISSUE 4. P. 263 -269 21 100% 6
5 SHADDY, AA , SEDIEK, AA , ABDOU, WM , (2009) ANTIMICROBIAL ACTIVITY OF NOVEL FUSED NITROGEN, SULFUR AND PHOSPHORUS CONTAINING-HETEROCYCLES AND RELEVANT PHOSPHONATES WITH DIFURYLPYRIDAZINE SPECIES.JOURNAL OF CHEMICAL RESEARCH. VOL. . ISSUE 1. P. 8 -13 19 73% 0
6 ABDOU, WM , KHIDRE, MD , KAMEL, AA , (2004) SIMILARITY AND DISSIMILARITY BETWEEN WITTIG AND WITTIG-HORNER SYNTHON REACTIVITY TOWARD CYCLIC AND ACYCLIC CIS-DISULFIDES..HETEROCYCLIC COMMUNICATIONS. VOL. 10. ISSUE 2-3. P. 217 -222 18 86% 5
7 ABDOU, WM , KAMEL, AA , (2000) HETEROCYCLES FROM YLIDES. REACTIVITY OF 2-ACETYL-5-BROMOTHIOPHENE AND-5-METHYLFURAN WITH STABILISED AND NON-STABILISED YLIDES.TETRAHEDRON. VOL. 56. ISSUE 38. P. 7573-7580 18 95% 5
8 ABDOU, WM , SALEM, MAI , BARGHASH, RF , (2003) NEW PHOSPHONO SUBSTITUTED 3- AND 5-MEMBERED RINGS STARTING FROM 3(2-THIENYL)ACRYLONITRILES AND ALPHA-PHOSPHORYL CARBANIONS.SYNTHETIC COMMUNICATIONS. VOL. 33. ISSUE 8. P. 1341 -1357 17 85% 7
9 GAUTAM, DR , LITINAS, KE , FYLAKTAKIDOU, KC , NICOLAIDES, DN , (2003) REACTIONS OF O-QUINONES WITH ALPHA-METHYL- (OR METHYLENE) SUBSTITUTED PHOSPHORUS YLIDES. SYNTHESIS OF BENZO[B]FURAN DERIVATIVES.JOURNAL OF HETEROCYCLIC CHEMISTRY. VOL. 40. ISSUE 3. P. 399 -404 15 94% 5
10 OSMAN, FH , EL-SAMAHY, FA , (2007) THE BEHAVIOR OF 3,3-DIPHENYLINDAN-1,2-DIONE TOWARDS PHOSPHONIUM YLIDES.MONATSHEFTE FUR CHEMIE. VOL. 138. ISSUE 6. P. 545 -552 18 69% 0

Classes with closest relation at Level 1


Rank Class id link
1 37118 UNSATURATED BETA KETOESTERS//1 3 CYCLOHEXANEDIONE YLIDE//1 TRIPHENYLPHOSPHORANYLIDENEPENTANE 2 4 DIONE
2 35310 TRIPHENYLPHOSPHONIUM YLIDES//YLIDIC CONFORMATION//ACYL STRETCHING FREQUENCIES
3 16405 LAWESSONS REAGENT//WOOLLINS REAGENT//DITHIOPHOSPHONATE
4 33082 2 HETARYL 2 TETRAHYDRO 2 FURANYLIDENACETONITRILES//ADDITIONAL BINDING SITES//AZOLYL ACETATES
5 17537 OXAPHOSPHETANES//WITTIG REACTION//HETEROORGANIC BETAINES
6 30544 HORNER WADSWORTH EMMONS OLEFINATION//ALPHA METHYLENE DELTA LACTONES//2 5 DIHYDRO 2 FURANONES
7 21474 N N N TRIMETHYLETHYLENEDIAMINE//TRIPHENYLMETHYL//PHOSPHORUS FLUORINE COMPOUNDS
8 15012 AE ARBUZOV ORGAN PHYS CHEM//ZHURNAL OBSHCHEI KHIMII//IPSO SUBSTITUTION OF OXYGEN
9 20469 KROHNKES REACTION//KROHNKES PYRIDINE SYNTHESIS//PYRIDO5 6COUMARINS
10 31704 2 ARYLPYRROLIDINES//GAMMA UREIDOACETALS//METHYLENEQUINONES

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