Class information for:
Level 1: STEPWISE 33 ANNULATION//CINCHOLOIPON//OXAZOLOISOQUINOLINONES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
23853 332 26.2 42%


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
3 4 PLANT SCIENCES//AGRONOMY//FOOD SCIENCE & TECHNOLOGY 1882812
409 3       BERBERINE//ALKALOIDS//RUTACEAE 29426
2148 2             IBOGAINE//SALVINORIN A//SALVIA DIVINORUM 5021
23853 1                   STEPWISE 33 ANNULATION//CINCHOLOIPON//OXAZOLOISOQUINOLINONES 332

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 STEPWISE 33 ANNULATION authKW 275920 1% 100% 3
2 CINCHOLOIPON authKW 183947 1% 100% 2
3 OXAZOLOISOQUINOLINONES authKW 183947 1% 100% 2
4 REISSERT COMPOUNDS authKW 180258 2% 28% 7
5 11 METHOXYDIHYDROCORYNANTHEOL authKW 91973 0% 100% 1
6 13A CARBOXY 8 OXO PROTOBERBERINES authKW 91973 0% 100% 1
7 13A CARBOXY 8 OXOBERBINES authKW 91973 0% 100% 1
8 1Z 5Z 9Z 13Z 17Z 21Z 1 5 9 13 17 21 HEXAMETHYLCYCLOTETRACOSA 1 5 9 13 17 21 HEXAENE authKW 91973 0% 100% 1
9 2 ALKOXYLITHIOMETHYLBENZONITRILE authKW 91973 0% 100% 1
10 2 ALKOXYMETHYLBENZONITRILE authKW 91973 0% 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 5621 58% 0% 193
2 Chemistry, Multidisciplinary 988 36% 0% 120
3 Chemistry, Medicinal 871 16% 0% 52
4 Pharmacology & Pharmacy 241 18% 0% 59
5 Integrative & Complementary Medicine 5 1% 0% 2
6 Plant Sciences 0 2% 0% 7
7 Crystallography -1 0% 0% 1
8 Chemistry, Applied -1 0% 0% 1
9 Chemistry, Inorganic & Nuclear -2 0% 0% 1
10 Food Science & Technology -2 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 BEHAV SCI PHYSIOL 91973 0% 100% 1
2 EA 2414 PHARMACOCHIM BIOMOL 45986 0% 50% 1
3 HETEROCYCL NAT SUBST SYNTH 45986 0% 50% 1
4 PHARMACEUT SCI TAKARA MACHI 33442 1% 18% 2
5 ZENTRUM PHARMAFO 30656 0% 33% 1
6 GRP RECH PHARMACOCHIM 16719 1% 9% 2
7 JNCASR 13137 0% 14% 1
8 MED CHEM SHINAGAWA KU 13135 1% 7% 2
9 NEW DRUG DISCOVERY S 11495 0% 13% 1
10 HIGHER TECHNOL STUDIES KSAR HELLAL 10217 0% 11% 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 HETEROCYCLES 35327 21% 1% 71
2 CHEMICAL & PHARMACEUTICAL BULLETIN 8535 12% 0% 40
3 JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 2335 5% 0% 17
4 JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS 1546 5% 0% 17
5 TETRAHEDRON LETTERS 1511 11% 0% 35
6 MONATSHEFTE FUR CHEMIE 1485 3% 0% 10
7 TETRAHEDRON 875 6% 0% 19
8 YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN 855 2% 0% 7
9 LIEBIGS ANNALEN DER CHEMIE 708 2% 0% 5
10 JOURNAL OF THE CHINESE CHEMICAL SOCIETY 695 2% 0% 6

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 STEPWISE 33 ANNULATION 275920 1% 100% 3 Search STEPWISE+33+ANNULATION Search STEPWISE+33+ANNULATION
2 CINCHOLOIPON 183947 1% 100% 2 Search CINCHOLOIPON Search CINCHOLOIPON
3 OXAZOLOISOQUINOLINONES 183947 1% 100% 2 Search OXAZOLOISOQUINOLINONES Search OXAZOLOISOQUINOLINONES
4 REISSERT COMPOUNDS 180258 2% 28% 7 Search REISSERT+COMPOUNDS Search REISSERT+COMPOUNDS
5 11 METHOXYDIHYDROCORYNANTHEOL 91973 0% 100% 1 Search 11+METHOXYDIHYDROCORYNANTHEOL Search 11+METHOXYDIHYDROCORYNANTHEOL
6 13A CARBOXY 8 OXO PROTOBERBERINES 91973 0% 100% 1 Search 13A+CARBOXY+8+OXO+PROTOBERBERINES Search 13A+CARBOXY+8+OXO+PROTOBERBERINES
7 13A CARBOXY 8 OXOBERBINES 91973 0% 100% 1 Search 13A+CARBOXY+8+OXOBERBINES Search 13A+CARBOXY+8+OXOBERBINES
8 1Z 5Z 9Z 13Z 17Z 21Z 1 5 9 13 17 21 HEXAMETHYLCYCLOTETRACOSA 1 5 9 13 17 21 HEXAENE 91973 0% 100% 1 Search 1Z+5Z+9Z+13Z+17Z+21Z+1+5+9+13+17+21+HEXAMETHYLCYCLOTETRACOSA+1+5+9+13+17+21+HEXAENE Search 1Z+5Z+9Z+13Z+17Z+21Z+1+5+9+13+17+21+HEXAMETHYLCYCLOTETRACOSA+1+5+9+13+17+21+HEXAENE
9 2 ALKOXYLITHIOMETHYLBENZONITRILE 91973 0% 100% 1 Search 2+ALKOXYLITHIOMETHYLBENZONITRILE Search 2+ALKOXYLITHIOMETHYLBENZONITRILE
10 2 ALKOXYMETHYLBENZONITRILE 91973 0% 100% 1 Search 2+ALKOXYMETHYLBENZONITRILE Search 2+ALKOXYMETHYLBENZONITRILE

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 FUJII, T , OHBA, M , YOSHIFUJI, S , (1988) CHIRAL SYNTHESES OF BENZO[A]QUINOLIZIDINE-TYPE ALANGIUM ALKALOIDS.HETEROCYCLES. VOL. 27. ISSUE 4. P. 1009-1033 41 95% 20
2 FUJII, T , (1996) HIGHLIGHTS FROM 43 YEARS OF CHEMISTRY OF NATURALLY OCCURRING NITROGEN-CONTAINING HETEROCYCLES .1. SYNTHESES AND STRUCTURE DETERMINATIONS OF BENZO[A]QUINOLIZIDINE-TYPE AND INDOLO[2,3-A]QUINOLIZIDINE-TYPE ALKALOIDS ISOLATED FROM SEVERAL PLANTS.YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN. VOL. 116. ISSUE 5. P. 335 -354 33 85% 1
3 CHEN, FE , HUANG, J , (2005) RESERPINE: A CHALLENGE FOR TOTAL SYNTHESIS OF NATURAL PRODUCTS.CHEMICAL REVIEWS. VOL. 105. ISSUE 12. P. 4671-4706 45 36% 90
4 FUJII, T , OHBA, M , (1998) RACEMIC AND CHIRAL SYNTHESES OF SOME INDOLO[2,3-A]QUINOLIZIDINE ALKALOIDS THROUGH A "LACTIM ETHER ROUTE".HETEROCYCLES. VOL. 47. ISSUE 1. P. 525 -539 30 52% 10
5 CHANG, JK , CHANG, BR , CHUANG, YH , CHANG, NC , (2008) TOTAL SYNTHESIS OF (+/-)-PROTOEMETINOL.TETRAHEDRON. VOL. 64. ISSUE 41. P. 9685 -9688 17 65% 12
6 FUJII, T , OHBA, M , SHIMOHATA, K , YOSHIFUJI, S , (1987) QUINOLIZIDINES .23. AN ALTERNATIVE SYNTHETIC ROUTE TO BENZO[A]QUINOLIZIDINE-TYPE ALANGIUM ALKALOIDS FROM ETHYL CINCHOLOIPONATE.HETEROCYCLES. VOL. 26. ISSUE 11. P. 2949-2957 25 100% 1
7 NAITO, T , (1988) SYNTHESIS OF MONOTERPENOID INDOLE ALKALOIDS.YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN. VOL. 108. ISSUE 6. P. 461 -487 32 62% 4
8 RAJAPAKSA, NS , MCGOWAN, MA , RIENZO, M , JACOBSEN, EN , (2013) ENANTIOSELECTIVE TOTAL SYNTHESIS OF (+)-RESERPINE.ORGANIC LETTERS. VOL. 15. ISSUE 3. P. 706 -709 13 54% 23
9 GHOSH, AK , SARKAR, A , (2016) ENANTIOSELECTIVE SYNTHESES OF (-)-ALLOYOHIMBANE AND (-)-YOHIMBANE BY AN EFFICIENT ENZYMATIC DESYMMETRIZATION PROCESS.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. VOL. . ISSUE 36. P. 6001 -6009 14 52% 0
10 FUJII, T , OHBA, M , SAKAGUCHI, J , (1987) QUINOLIZIDINES .22. AN EXTENSION OF THE 3-ACETYLPYRIDINE ROUTE TO THE SYNTHESES OF 9-HYDROXY-10-METHOXY-9-METHOXYBENZO AND 10-HYDROXY-9-METHOXYBENZO[A]QUINOLIZIDINE-TYPE ALANGIUM ALKALOIDS.CHEMICAL & PHARMACEUTICAL BULLETIN. VOL. 35. ISSUE 9. P. 3628 -3640 18 95% 10

Classes with closest relation at Level 1


Rank Class id link
1 6498 ASPIDOSPERMA ALKALOIDS//ASPIDOPHYTINE//STRYCHNOS ALKALOIDS
2 24087 STRICTOSAMIDE//NAUCLEA OFFICINALIS//NAUCLEA LATIFOLIA
3 12350 PICTET SPENGLER REACTION//PICTET SPENGLER//TETRAHYDRO BETA CARBOLINE
4 35619 ALPHA HYDROXY BETA GAMMA UNSATURATED ESTERS//3S 2 CARBOXYETHYL 3 CYANO 5 METHYLHEXANOIC ACID//1 4 SUBSTITUTEDPHENYLSULFONYLPYRROLIDIN 2 ONES
5 6424 APOCYNACEAE//INDOLE ALKALOIDS//ALSTONIA SCHOLARIS
6 25887 MOBILE PHASE SELECTION//HOMOPHTHALIC ANHYDRIDE//CIS ISOQUINOLONIC ACIDS
7 14447 ERYTHRINA ALKALOID//DIOXOPYRROLINE//ERYTHRINA VELUTINA
8 24639 8 AZASTEROID//1 ALKYL 3 4 DIHYDROISOQUINOLINES//2 ACYLCYCLOHEXANE 1 3 DIONES
9 30015 NITRARIA//TANGUTORINE//N SCHOBERI
10 22870 REISSERT COMPOUNDS//ALPHA CYANATION//PYRAZINE N OXIDES

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