Class information for:
Level 1: PECHMANN REACTION//PECHMANN CONDENSATION//COUMARIN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
16965 625 32.5 60%


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
9 3       CHEMISTRY, ORGANIC//JOURNAL OF HETEROCYCLIC CHEMISTRY//KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII 135847
2318 2             COUMARIN//PECHMANN REACTION//PECHMANN CONDENSATION 4477
16965 1                   PECHMANN REACTION//PECHMANN CONDENSATION//COUMARIN 625

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 PECHMANN REACTION authKW 2017007 8% 81% 51
2 PECHMANN CONDENSATION authKW 1584777 7% 75% 43
3 COUMARIN authKW 398812 27% 5% 166
4 VON PECHMANN CONDENSATION authKW 390843 1% 100% 8
5 COUMARIN SYNTHESIS authKW 305338 2% 63% 10
6 4 ARYLCOUMARINS authKW 183917 1% 47% 8
7 PECHMANN authKW 156335 1% 80% 4
8 DIHYDROCOUMARINS authKW 135285 1% 46% 6
9 3 CARBOXYCOUMARINS authKW 130278 1% 67% 4
10 1 ARYLBENZOFCHROMAN 3 ONES authKW 97711 0% 100% 2

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 8726 53% 0% 331
2 Chemistry, Multidisciplinary 1433 32% 0% 201
3 Chemistry, Medicinal 147 5% 0% 33
4 Chemistry, Applied 125 5% 0% 31
5 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 112 2% 0% 12
6 Chemistry, Physical 28 8% 0% 49
7 Engineering, Chemical 19 4% 0% 24
8 Materials Science, Textiles 16 1% 0% 4
9 Chemistry, Inorganic & Nuclear 15 3% 0% 18
10 Education, Scientific Disciplines 9 1% 0% 5

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 AYATOLLAH AMALI BRANCH 48855 0% 100% 1
2 BIOORGAN PHOSPHORS CHEM CHEM BIOL 48855 0% 100% 1
3 CCTA LTA SETOR PRODUTOS NAT 48855 0% 100% 1
4 CHEM TECHNOL HETEROGENOUS CATALY 48855 0% 100% 1
5 KU CHEM MATHODOL LIB DEV EXCELLENCE 48855 0% 100% 1
6 MIANEH BRANCH 48855 0% 100% 1
7 NCEPPAM 48855 0% 100% 1
8 QUIM BIOORGAN LQB 48855 0% 100% 1
9 QUIM ORGAN INORGAN PRODUTOS NAT 48855 0% 100% 1
10 STATE ORGANOMETAL 48855 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 SYNTHETIC COMMUNICATIONS 6967 7% 0% 45
2 INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY 5367 5% 0% 33
3 JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2376 1% 1% 9
4 JOURNAL OF CHEMICAL RESEARCH 1634 2% 0% 14
5 SYNTHESIS-STUTTGART 1566 4% 0% 22
6 GREEN CHEMISTRY LETTERS AND REVIEWS 1254 0% 1% 3
7 TETRAHEDRON LETTERS 1240 7% 0% 44
8 SCIENTIA IRANICA TRANSACTION C-CHEMISTRY AND CHEMICAL ENGINEERING 1134 0% 2% 1
9 COMPTES RENDUS CHIMIE 1053 1% 0% 7
10 JOURNAL OF HETEROCYCLIC CHEMISTRY 989 2% 0% 15

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 PECHMANN REACTION 2017007 8% 81% 51 Search PECHMANN+REACTION Search PECHMANN+REACTION
2 PECHMANN CONDENSATION 1584777 7% 75% 43 Search PECHMANN+CONDENSATION Search PECHMANN+CONDENSATION
3 COUMARIN 398812 27% 5% 166 Search COUMARIN Search COUMARIN
4 VON PECHMANN CONDENSATION 390843 1% 100% 8 Search VON+PECHMANN+CONDENSATION Search VON+PECHMANN+CONDENSATION
5 COUMARIN SYNTHESIS 305338 2% 63% 10 Search COUMARIN+SYNTHESIS Search COUMARIN+SYNTHESIS
6 4 ARYLCOUMARINS 183917 1% 47% 8 Search 4+ARYLCOUMARINS Search 4+ARYLCOUMARINS
7 PECHMANN 156335 1% 80% 4 Search PECHMANN Search PECHMANN
8 DIHYDROCOUMARINS 135285 1% 46% 6 Search DIHYDROCOUMARINS Search DIHYDROCOUMARINS
9 3 CARBOXYCOUMARINS 130278 1% 67% 4 Search 3+CARBOXYCOUMARINS Search 3+CARBOXYCOUMARINS
10 1 ARYLBENZOFCHROMAN 3 ONES 97711 0% 100% 2 Search 1+ARYLBENZOFCHROMAN+3+ONES Search 1+ARYLBENZOFCHROMAN+3+ONES

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 ZAMBARE, AS , KHAN, FAK , ZAMBARE, SP , SHINDE, SD , SANGSHETTI, JN , (2016) RECENT ADVANCES IN THE SYNTHESIS OF COUMARIN DERIVATIVES VIA PECHMANN CONDENSATION.CURRENT ORGANIC CHEMISTRY. VOL. 20. ISSUE 7. P. 798 -828 84 75% 0
2 HERAVI, MM , KHAGHANINEJAD, S , MOSTOFI, M , (2014) PECHMANN REACTION IN THE SYNTHESIS OF COUMARIN DERIVATIVES.ADVANCES IN HETERCYCLIC CHEMISTRY, VOL 112. VOL. 112. ISSUE . P. 1 -50 82 62% 6
3 PROUSIS, KC , AVLONITIS, N , HEROPOULOS, GA , CALOGEROPOULOU, T , (2014) FECL3-CATALYSED ULTRASONIC-ASSISTED, SOLVENT-FREE SYNTHESIS OF 4-SUBSTITUTED COUMARINS. A USEFUL COMPLEMENT TO THE PECHMANN REACTION.ULTRASONICS SONOCHEMISTRY. VOL. 21. ISSUE 3. P. 937 -942 46 71% 8
4 KHALIGH, NG , (2013) ULTRASOUND-ASSISTED ONE-POT SYNTHESIS OF SUBSTITUTED COUMARINS CATALYZED BY POLY(4-VINYLPYRIDINIUM) HYDROGEN SULFATE AS AN EFFICIENT AND REUSABLE SOLID ACID CATALYST.ULTRASONICS SONOCHEMISTRY. VOL. 20. ISSUE 4. P. 1062 -1068 35 56% 12
5 BORAH, KJ , BORAH, R , (2011) POLY(4-VINYLPYRIDINE)-SUPPORTED SULFURIC ACID: AN EFFICIENT SOLID ACID CATALYST FOR THE SYNTHESIS OF COUMARIN DERIVATIVES UNDER SOLVENT-FREE CONDITIONS.MONATSHEFTE FUR CHEMIE. VOL. 142. ISSUE 12. P. 1253 -1257 23 92% 10
6 TAHANPESAR, E , SARAMI, L , (2015) SYNTHESIS OF SUBSTITUTED COUMARINS CATALYZED BY SAWDUST-SO3H. AN EFFICIENT AND ENVIRONMENTALLY BENIGN SOLID ACID CATALYST UNDER SOLVENT-FREE CONDITIONS.RUSSIAN JOURNAL OF GENERAL CHEMISTRY. VOL. 85. ISSUE 9. P. 2135 -2140 23 82% 0
7 SOLEIMANI, E , KHODAEI, MM , BATOOIE, N , SAMADI, S , (2012) TETRAKIS(ACETONITRILE)COPPER(I) HEXAFLUOROPHOSPHATE CATALYZED COUMARIN SYNTHESIS VIA PECHMANN CONDENSATION UNDER SOLVENT-FREE CONDITION.JOURNAL OF HETEROCYCLIC CHEMISTRY. VOL. 49. ISSUE 2. P. 409 -412 21 91% 2
8 KIM, S , KANG, D , LEE, CH , LEE, PH , (2012) SYNTHESIS OF SUBSTITUTED COUMARINS VIA BRONSTED ACID MEDIATED CONDENSATION OF ALLENES WITH SUBSTITUTED PHENOLS OR ANISOLES.JOURNAL OF ORGANIC CHEMISTRY. VOL. 77. ISSUE 15. P. 6530 -6537 37 47% 19
9 ATGHIA, SV , BEIGBAGHLOU, SS , (2014) USE OF A HIGHLY EFFICIENT AND RECYCLABLE SOLID-PHASE CATALYST BASED ON NANOCRYSTALLINE TITANIA FOR THE PECHMANN CONDENSATION.COMPTES RENDUS CHIMIE. VOL. 17. ISSUE 12. P. 1155 -1159 22 79% 2
10 REZAYATI, S , SHEIKHOLESLAMI-FARAHANI, F , ROSTAMI-CHARATI, F , ABAD, SAS , (2016) ONE-POT SYNTHESIS OF COUMARINE DERIVATIVES USING BUTYLENEBISPYRIDINIUM HYDROGEN SULFATE AS NOVEL IONIC LIQUID CATALYST.RESEARCH ON CHEMICAL INTERMEDIATES. VOL. 42. ISSUE 5. P. 4097 -4107 21 78% 0

Classes with closest relation at Level 1


Rank Class id link
1 6017 COUMARIN//BISCOUMARIN//ESCULETIN
2 20831 CALOPHYLLUM BRASILIENSE//CALOPHYLLUM INOPHYLLUM//MAMMEA SIAMENSIS
3 28438 4 4 ARYLMETHYLENEBIS1H PYRAZOL 5 OLS//4 4 ARYLMETHYLENE BIS3 METHYL 1 PHENYL 1H PYRAZOL 5 OL//ARYLGLYOXAL
4 21493 HINTONIA LATIFLORA//KHIMIYA PRIRODNYKH SOEDINENII//CHIOCOCCA ALBA
5 14645 KNOEVENAGEL CONDENSATION//KNOEVENAGEL REACTION//ACTIVE METHYLENE COMPOUNDS
6 20469 KROHNKES REACTION//KROHNKES PYRIDINE SYNTHESIS//PYRIDO5 6COUMARINS
7 34390 PVA DERIVATIVE//1 1 DIETHOXY 3 METHYL 2 BUTENE//1 1 DIMETHYL 4 INDANOLS
8 32494 NITROBENZOYL GROUP//1 2 3 SELENA AND THIADIAZOL 4 DERIVATIVES//3 2 FORMYL 1 CHLOROVINYLCOUMARIN
9 27761 IMINOCOUMARIN//BIS IMINOCOUMARINS//CHIM PL HETEROCYCLES CORPS GRAS POLYME
10 32580 CARBON SUBOXIDE//1 H INDEN 1 ONE DERIVATIVES//2 2 1H BENZODIMIDAZOL 2 YLPHENOXYACETIC ACID

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