Class information for: |
Basic class information |
Class id | #P | Avg. number of references |
Database coverage of references |
---|---|---|---|
25984 | 266 | 23.7 | 43% |
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 |
346 | 3 | CARDIOTOXICITY//ANTHRACYCLINES//CAMPTOTHECIN | 36072 |
1783 | 2 | SHIKONIN//NAPHTHOQUINONE//PLUMBAGIN | 6353 |
25984 | 1 | ECHINOCHROME A//NAPHTHAZARIN//5 8 DIHYDROXY 1 4 NAPHTHOQUINONE | 266 |
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 | ECHINOCHROME A | authKW | 1519333 | 6% | 88% | 15 |
2 | NAPHTHAZARIN | authKW | 1451562 | 11% | 45% | 28 |
3 | 5 8 DIHYDROXY 1 4 NAPHTHOQUINONE | authKW | 972369 | 5% | 71% | 12 |
4 | POLYHYDROXY 1 4 NAPHTHOQUINONES | authKW | 803560 | 3% | 100% | 7 |
5 | SPINOCHROME | authKW | 590369 | 2% | 86% | 6 |
6 | ECHINOCHROME | authKW | 511352 | 3% | 64% | 7 |
7 | 5 IMINODAUNOMYCIN | authKW | 459177 | 2% | 100% | 4 |
8 | SPINOCHROME D | authKW | 459177 | 2% | 100% | 4 |
9 | CRISTAZARIN | authKW | 344383 | 1% | 100% | 3 |
10 | ECHINAMINE A | authKW | 344383 | 1% | 100% | 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, Medicinal | 606 | 15% | 0% | 39 |
2 | Chemistry, Organic | 544 | 21% | 0% | 57 |
3 | Chemistry, Multidisciplinary | 373 | 26% | 0% | 69 |
4 | Spectroscopy | 103 | 6% | 0% | 16 |
5 | Crystallography | 92 | 6% | 0% | 15 |
6 | Food Science & Technology | 84 | 8% | 0% | 20 |
7 | Chemistry, Physical | 36 | 11% | 0% | 29 |
8 | Pharmacology & Pharmacy | 21 | 8% | 0% | 21 |
9 | Chemistry, Applied | 15 | 3% | 0% | 8 |
10 | Plant Sciences | 6 | 4% | 0% | 10 |
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 | PACIFIC BIOORGAN CHEM | 270541 | 18% | 5% | 47 |
2 | GEORGE B ELYAKOV PACIFIC BIOORGAN CHEM | 229589 | 1% | 100% | 2 |
3 | GB ELYAKOV PACIFIC BIOORGAN CHEM | 207885 | 9% | 8% | 24 |
4 | CHEM PL ECOL | 137182 | 3% | 17% | 7 |
5 | CONSTRUCT TECHNOL COMPUTAT TECH | 114794 | 0% | 100% | 1 |
6 | ENHANCING CROP PROD UTILIZAT THEME | 114794 | 0% | 100% | 1 |
7 | FISHERIES SCI FOOD SCI TECHNOL | 114794 | 0% | 100% | 1 |
8 | MEDCMDC | 114794 | 0% | 100% | 1 |
9 | MINIST EDUC INT SCI TECHNOL COOPERAT BASE PRECI | 114794 | 0% | 100% | 1 |
10 | MINIST EDUCINT SCI TECHNOL COOPERAT BASE PRECI | 114794 | 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 | RUSSIAN CHEMICAL BULLETIN | 8865 | 10% | 0% | 27 |
2 | CHEMISTRY OF NATURAL COMPOUNDS | 3650 | 4% | 0% | 11 |
3 | PHARMACEUTICAL CHEMISTRY JOURNAL | 2578 | 2% | 0% | 5 |
4 | RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2513 | 4% | 0% | 11 |
5 | NATURAL PRODUCT COMMUNICATIONS | 2210 | 3% | 0% | 9 |
6 | KHIMIYA PRIRODNYKH SOEDINENII | 1596 | 3% | 0% | 7 |
7 | MARINE DRUGS | 1473 | 2% | 0% | 5 |
8 | IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA | 1031 | 2% | 0% | 5 |
9 | JOURNAL OF CRYSTALLOGRAPHIC AND SPECTROSCOPIC RESEARCH | 1029 | 1% | 0% | 3 |
10 | CANADIAN JOURNAL OF PLANT PATHOLOGY-REVUE CANADIENNE DE PHYTOPATHOLOGIE | 795 | 1% | 0% | 2 |
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 | ECHINOCHROME A | 1519333 | 6% | 88% | 15 | Search ECHINOCHROME+A | Search ECHINOCHROME+A |
2 | NAPHTHAZARIN | 1451562 | 11% | 45% | 28 | Search NAPHTHAZARIN | Search NAPHTHAZARIN |
3 | 5 8 DIHYDROXY 1 4 NAPHTHOQUINONE | 972369 | 5% | 71% | 12 | Search 5+8+DIHYDROXY+1+4+NAPHTHOQUINONE | Search 5+8+DIHYDROXY+1+4+NAPHTHOQUINONE |
4 | POLYHYDROXY 1 4 NAPHTHOQUINONES | 803560 | 3% | 100% | 7 | Search POLYHYDROXY+1+4+NAPHTHOQUINONES | Search POLYHYDROXY+1+4+NAPHTHOQUINONES |
5 | SPINOCHROME | 590369 | 2% | 86% | 6 | Search SPINOCHROME | Search SPINOCHROME |
6 | ECHINOCHROME | 511352 | 3% | 64% | 7 | Search ECHINOCHROME | Search ECHINOCHROME |
7 | 5 IMINODAUNOMYCIN | 459177 | 2% | 100% | 4 | Search 5+IMINODAUNOMYCIN | Search 5+IMINODAUNOMYCIN |
8 | SPINOCHROME D | 459177 | 2% | 100% | 4 | Search SPINOCHROME+D | Search SPINOCHROME+D |
9 | CRISTAZARIN | 344383 | 1% | 100% | 3 | Search CRISTAZARIN | Search CRISTAZARIN |
10 | ECHINAMINE A | 344383 | 1% | 100% | 3 | Search ECHINAMINE+A | Search ECHINAMINE+A |
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 | NOVIKOV, VL , BALANEVA, NN , SHESTAK, OP , ANUFRIEV, VP , GLAZUNOV, VP , (2016) CYCLOACYLATION OF CHLORO-SUBSTITUTED HYDROQUINONE DIMETHYL ETHERS WITH DICHLOROMALEIC ANHYDRIDE.RUSSIAN CHEMICAL BULLETIN. VOL. 65. ISSUE 4. P. 993 -1003 | 15 | 88% | 1 |
2 | SHESTAK, OP , ANUFRIEV, VP , NOVIKOV, VL , (2014) PREPARATIVE PRODUCTION OF SPINOCHROME E, A PIGMENT OF DIFFERENT SEA URCHIN SPECIES.NATURAL PRODUCT COMMUNICATIONS. VOL. 9. ISSUE 7. P. 953 -956 | 13 | 93% | 2 |
3 | POLONIK, NS , POLONIK, SG , (2016) DMSO-MEDIATED TRANSFORMATION OF 3-AMINO-2-HYDROXYNAPHTHAZARINS TO NATURAL 2,3-DIHYDROXYNAPHTHAZARINS AND RELATED COMPOUNDS.TETRAHEDRON LETTERS. VOL. 57. ISSUE 30. P. 3303 -3306 | 19 | 59% | 0 |
4 | SHESTAK, OP , BALANEVA, NN , NOVIKOV, VL , (2016) PREPARATIVE SYNTHESIS OF SPINOCHROME D, A PIGMENT OF DIFFERENT SEA URCHIN SPECIES.NATURAL PRODUCT COMMUNICATIONS. VOL. 11. ISSUE 9. P. 1307 -1310 | 10 | 100% | 0 |
5 | GLAZUNOV, VP , BERDYSHEV, DV , NOVIKOV, VL , (2014) DFT STUDY OF MECHANISMS OF THE ANTIOXIDANT EFFECT OF NATURAL POLYHYDROXY-1,4-NAPHTHOQUINONES. REACTIONS OF ECHINAMINES A AND B, METABOLITES OF SEA URCHIN SCAPHECHINUS MIRABILIS, WITH HYDROPEROXYL RADICAL.RUSSIAN CHEMICAL BULLETIN. VOL. 63. ISSUE 9. P. 1993 -1999 | 20 | 51% | 1 |
6 | BALANEVA, NN , SHESTAK, OP , ANUFRIEV, VF , NOVIKOV, VL , (2016) SYNTHESIS OF SPINOCHROME D, A METABOLITE OF VARIOUS SEA-URCHIN SPECIES.CHEMISTRY OF NATURAL COMPOUNDS. VOL. 52. ISSUE 2. P. 213 -217 | 9 | 100% | 1 |
7 | UTKINA, NK , POKHILO, ND , (2012) FREE RADICAL SCAVENGING ACTIVITIES OF NATURALLY OCCURRING AND SYNTHETIC ANALOGUES OF SEA URCHIN NAPHTHAZARIN PIGMENTS.NATURAL PRODUCT COMMUNICATIONS. VOL. 7. ISSUE 7. P. 901 -904 | 12 | 80% | 9 |
8 | VASILEVA, EA , MISHCHENKO, NP , ZADOROZHNY, PA , FEDOREYEV, SA , (2016) NEW AMINONAPHTHOQUINONE FROM THE SEA URCHINS STRONGYLOCENTROTUS PALLIDUS AND MESOCENTROTUS NUDUS.NATURAL PRODUCT COMMUNICATIONS. VOL. 11. ISSUE 6. P. 821 -824 | 10 | 91% | 0 |
9 | GLAZUNOV, VP , YAKUBOVSKAYA, AY , POKHILO, ND , BOCHINSKAYA, NV , ANUFRIEV, VP , (2003) CHEMISTRY OF NAPHTHAZARIN DERIVATIVES 9. DIRECT OBSERVATION OF PROTOTROPIC TAUTOMERISM OF (POLY)HYDROXYNAPHTHAZARINS BY IR SPECTROSCOPY.RUSSIAN CHEMICAL BULLETIN. VOL. 52. ISSUE 1. P. 198-207 | 13 | 81% | 6 |
10 | LI, DM , ZHOU, DY , ZHU, BW , MIAO, L , QIN, L , DONG, XP , WANG, XD , MURATA, Y , (2013) EXTRACTION, STRUCTURAL CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF POLYHYDROXYLATED 1,4-NAPHTHOQUINONE PIGMENTS FROM SPINES OF SEA URCHIN GLYPTOCIDARIS CRENULARIS AND STRONGYLOCENTROTUS INTERMEDIUS.EUROPEAN FOOD RESEARCH AND TECHNOLOGY. VOL. 237. ISSUE 3. P. 331 -339 | 12 | 63% | 3 |
Classes with closest relation at Level 1 |