Class information for:
Level 1: ECHINOCHROME A//NAPHTHAZARIN//5 8 DIHYDROXY 1 4 NAPHTHOQUINONE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
25984 266 23.7 43%


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
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


Rank Class id link
1 15737 SHIKONIN//LITHOSPERMUM ERYTHRORHIZON//ALKANNIN
2 35826 SPATIALLY HINDERED PHENOLS//PHENOL STABILIZERS//POTASSIUM AND SODIUM 2 6 DI TERT BUTYL PHENOXIDES
3 11273 INTRAMOLECULAR HYDROGEN BOND//AIM AND NBO//RELATED ROTAMERS METHOD
4 34846 LATENT ACID CATALYST//HYBRID POLYMERIZATION//CROSSLINKER INITIATOR
5 22766 ANTHRAQUINONE DISULPHONATES//NAA UNIT//SOLVENT POLARITY EFFECT
6 17875 LAVENDAMYCIN//ETNOFARMACOL IDE//QUINOLINE 5 8 DIONES
7 10792 BETA LAPACHONE//LAPACHOL//NAPHTHOQUINONE
8 23318 SHRIMP WASTE//SHRIMP MEAL//CRUSTACEAN WASTE
9 22076 KUZNETSOV PHYSICOTECH//ZHURNAL FIZICHESKOI KHIMII//ANTRAQUINONE DRUGS
10 29717 STYRYL PYRIDINES//1 3 4 OXADIAZOL YLPYRIDINE//4 4 DIMETHYLAMINOSTYRYLPYRIDINE N OXIDE

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