Class information for: |
Basic class information |
| Class id | #P | Avg. number of references |
Database coverage of references |
|---|---|---|---|
| 37118 | 66 | 21.1 | 41% |
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 |
| 37118 | 1 | UNSATURATED BETA KETOESTERS//1 3 CYCLOHEXANEDIONE YLIDE//1 TRIPHENYLPHOSPHORANYLIDENEPENTANE 2 4 DIONE | 66 |
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 | UNSATURATED BETA KETOESTERS | authKW | 1040988 | 5% | 75% | 3 |
| 2 | 1 3 CYCLOHEXANEDIONE YLIDE | authKW | 462662 | 2% | 100% | 1 |
| 3 | 1 TRIPHENYLPHOSPHORANYLIDENEPENTANE 2 4 DIONE | authKW | 462662 | 2% | 100% | 1 |
| 4 | 2 VINYL 3 5 CYCLOHEXADIENE 1 3 DICARBOXYLATE | authKW | 462662 | 2% | 100% | 1 |
| 5 | 2 VINYL 6 OXO 4 CYCLOHEXENE 1 3 DICARBOXYLATE | authKW | 462662 | 2% | 100% | 1 |
| 6 | 2H PYRAN 5 CARBOXYLATE | authKW | 462662 | 2% | 100% | 1 |
| 7 | 2H PYRANPHOSPHONIUM SALT | authKW | 462662 | 2% | 100% | 1 |
| 8 | 4 ALKYLIDENE 54H OXAZOLONES | authKW | 462662 | 2% | 100% | 1 |
| 9 | 4 HYDROXY 2 OXO 3 5 7 TRIENE | authKW | 462662 | 2% | 100% | 1 |
| 10 | 4 HYDROXY 2 OXO 3 5 DIENE | authKW | 462662 | 2% | 100% | 1 |
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 | 1037 | 56% | 0% | 37 |
| 2 | Chemistry, Multidisciplinary | 218 | 38% | 0% | 25 |
| 3 | Biophysics | 2 | 3% | 0% | 2 |
| 4 | Chemistry, Medicinal | 0 | 2% | 0% | 1 |
| 5 | Chemistry, Applied | 0 | 2% | 0% | 1 |
| 6 | Chemistry, Inorganic & Nuclear | 0 | 2% | 0% | 1 |
| 7 | Chemistry, Analytical | -0 | 2% | 0% | 1 |
| 8 | Chemistry, Physical | -0 | 3% | 0% | 2 |
| 9 | Pharmacology & Pharmacy | -0 | 2% | 0% | 1 |
| 10 | Biochemistry & Molecular Biology | -1 | 3% | 0% | 2 |
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 | MOLEC ENGN | 22030 | 2% | 5% | 1 |
| 2 | SCI IND | 3406 | 9% | 0% | 6 |
| 3 | PL CHEM BIOTECHNOL | 2860 | 5% | 0% | 3 |
| 4 | NUTR FOOD | 625 | 2% | 0% | 1 |
| 5 | LEIBNIZ KATALYSE EV | 385 | 2% | 0% | 1 |
| 6 | ORGAN SYNTH | 273 | 2% | 0% | 1 |
| 7 | MOL ENGN | 184 | 2% | 0% | 1 |
| 8 | CHIM | 31 | 2% | 0% | 1 |
| 9 | CHEM | 25 | 15% | 0% | 10 |
| 10 | ORGAN CHEM | 24 | 3% | 0% | 2 |
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 | CHEMISCHE BERICHTE-RECUEIL | 2923 | 9% | 0% | 6 |
| 2 | TETRAHEDRON LETTERS | 1071 | 20% | 0% | 13 |
| 3 | INDIAN JOURNAL OF BIOCHEMISTRY & BIOPHYSICS | 720 | 3% | 0% | 2 |
| 4 | MONATSHEFTE FUR CHEMIE | 675 | 5% | 0% | 3 |
| 5 | SOUTH AFRICAN JOURNAL OF CHEMISTRY-SUID-AFRIKAANSE TYDSKRIF VIR CHEMIE | 634 | 2% | 0% | 1 |
| 6 | LIEBIGS ANNALEN DER CHEMIE | 574 | 3% | 0% | 2 |
| 7 | HETEROCYCLES | 558 | 6% | 0% | 4 |
| 8 | SYNLETT | 521 | 6% | 0% | 4 |
| 9 | SYNTHETIC COMMUNICATIONS | 520 | 6% | 0% | 4 |
| 10 | JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 391 | 3% | 0% | 2 |
Author Key Words |
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 | MOORHOFF, CM , (2003) CONDENSATIONS OF ETHYL 3-ETHOXY-4-(TRIPHENYLPHOSPHORANYLIDENE)-2-BUTENOATE WITH ALPHA,BETA-UNSATURATED CARBONYL COMPOUNDS.MONATSHEFTE FUR CHEMIE. VOL. 134. ISSUE 1. P. 61 -67 | 16 | 80% | 1 |
| 2 | KAWANO, T , ISLAM, MS , JEONG, JS , UEDA, I , (1997) NOVEL ANNULATION OF 6-ARYL-3-ETHOXY-6-HYDROXY-2,4-HEXADIENOATES TO 5-BENZOYL-3-ETHOXYCYCLOPENT-2-EN-1-ONES UNDER BASIC CONDITIONS.CHEMISTRY LETTERS. VOL. . ISSUE 8. P. 737 -738 | 11 | 100% | 0 |
| 3 | FEIST, H , LANGER, P , (2008) ONE-POT CYCLIZATIONS OF (2,4-DIOXOBUTYLIDENE)PHOSPHORANES AND (2-ALKOXY-4-OXOBUT-2-ENYLIDENE)PHOSPHORANES.SYNTHESIS-STUTTGART. VOL. . ISSUE 24. P. 3877-3902 | 23 | 17% | 6 |
| 4 | HIMEDA, Y , TANAKA, Y , UEDA, I , HATANAKA, M , (1998) CONVENIENT SYNTHESIS OF SUBSTITUTED CYCLOPENTENONES VIA [3+2] ANNULATION OF ALLYLIDENETRIPHENYLPHOSPHORANE WITH 1,2-DIACYLETHYLENES: APPLICATION TO SYNTHESIS OF (+/-)-METHYL DEHYDROJASMONATE.JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1. VOL. . ISSUE 8. P. 1389-1396 | 8 | 57% | 7 |
| 5 | HIMEDA, Y , HATANAKA, M , UEDA, I , (1995) [3+2]-ANNULATION OF ALLYLIDENE(TRIPHENYL)PHOSPHORANE WITH 1,2-DIACYLETHYLENES - SYNTHESIS OF SUBSTITUTED CYCLOPENTADIENES.JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS. VOL. . ISSUE 4. P. 449-450 | 6 | 75% | 12 |
| 6 | LANGER, P , KRACKE, B , (2001) REGIO- AND DIASTEREOSELECTIVE SYNTHESIS OF FUNCTIONALIZED CYCLOPENTENONES BY DOMINO MICHAEL-ESTER-WITTIG REACTIONS OF (3-ALKOXYCARBONYL-2-OXOPROPYLIDENE)TRIPHENYLPHOSPHORANES WITH MALEIC DIESTERS.SYNLETT. VOL. . ISSUE 11. P. 1790 -1792 | 6 | 60% | 8 |
| 7 | KAWANO, T , NEGORO, K , NITTA, H , UEDA, I , (2000) SYNTHESIS AND REACTION OF CHIRAL 4,5-DISUBSTITUTED 2-OXAZOLIDINONES FROM 3-ETHOXY-6-(N-ALKYL-N-TERT-BUTOXY-CARBONYL)AMINOHEXA-2,4-DIENOATES IN THE PRESENCE OF CONCENTRATED SULFURIC ACID SUPPORTED ON SILICA GEL.HETEROCYCLES. VOL. 52. ISSUE 3. P. 1261-+ | 4 | 80% | 1 |
| 8 | MOORHOFF, CM , (1997) NOVEL MICHAEL-WITTIG REACTIONS OF METHYL 3-OXO-4-(TRIPHENYLARSORANYLIDENE)BUTANOATE AND SUBSTITUTED 2H-PYRAN-5-CARBOXYLATES; THE SYNTHESIS OF HIGHLY FUNCTIONALISED 2-CYCLOHEXENONEDICARBOXYLATES..TETRAHEDRON. VOL. 53. ISSUE 6. P. 2241-2252 | 8 | 42% | 10 |
| 9 | MOORHOFF, CM , (1998) INVESTIGATING THE MECHANISM OF 1,3,5-CYCLOHEPTATRIENE FORMATION: CONDENSATION OF 1-METHYLETHYL 3-OXO-4-(TRIPHENYLARSORANYLIDENE)BUTANOATE WITH 7-METHOXY-3,7-DIMETHYLOCTANAL.HETEROATOM CHEMISTRY. VOL. 9. ISSUE 4. P. 411-418 | 10 | 32% | 1 |
| 10 | KITANO, H , MINAMI, S , MORITA, T , MATSUMOTO, K , HATANAKA, M , (2002) ANNULATION OF 2-OXOALKYLIDENETRIPHENYLPHOSPHORANES WITH ENEDIONES: A ONE-STEP SYNTHESIS OF SUBSTITUTED CYCLOPENTENONES.SYNTHESIS-STUTTGART. VOL. . ISSUE 6. P. 739-744 | 5 | 50% | 5 |
Classes with closest relation at Level 1 |