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1

Reactions of salicylaldehyde and enolates or their equivalents: versatile synthetic routes to chromane derivatives

Masesane, Ishmael B, Desta, Zelalem Yibralign

Journal:

Beilstein Journal of Organic Chemistry

Year:

2012

Language:

english

File:

PDF, 502 KB

english, 2012

2

ChemInform Abstract: Reactions of Salicylaldehyde and Enolates or Their Equivalents: Versatile Synthetic Routes to Chromane Derivatives

Masesane, Ishmael B., Desta, Zelalem Yibralign

Journal:

Year:

2013

File:

PDF, 18 KB

2013

3

Asymmetric Synthesis of the Putative Structure of (-)-Oryzoxymycin.

Mark E. Bunnage, Thota Ganesh, Ishmael B. Masesane, Darren Orton, Patrick G. Steel

Journal:

Year:

2003

File:

PDF, 5 KB

2003

4

Stereoselective Routes to 3-Hydroxy and 3,4-Dihydroxy Derivatives of 2-Aminocyclohexanecarboxylic Acid.

Ishmael B. Masesane, Patrick G. Steel

Journal:

Year:

2004

File:

PDF, 26 KB

2004

5

ChemInform Abstract: The Diels—Alder Adducts of Furan and Various Dienophiles: Versatile Intermediates in the Synthesis of Cyclohexyl Systems

Ishmael B. Masesane

Journal:

Year:

2012

File:

PDF, 18 KB

2012

6

Stereoselective routes to 3-hydroxy and 3,4-dihydroxy derivatives of 2-aminocyclohexanecarboxylic acid

Ishmael B. Masesane, Patrick G. Steel

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 251 KB

english, 2004

7

An unexpected 1,2-hydride shift in phosphoric acid-promoted cyclodimerization of styrene oxides under solvent-free conditions. A synthetic route towards 2,4-disubstituted 1,3-dioxolanes

Ofentse Mazimba, Runner R. Majinda, Ishmael B. Masesane

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 325 KB

english, 2009

8

A bichalcone from the twigs of Rhus pyroides

Ishmael B. Masesane, Samuel O. Yeboah, Jürgen Liebscher, Clemens Mügge, Berhanu M. Abegaz

Journal:

Year:

2000

Language:

english

File:

PDF, 128 KB

english, 2000

9

Stereoselective synthesis of 3,4,5,6-tetrahydroxycyclohexyl β-amino acid derivatives

Joshua Chola, Ishmael B. Masesane

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 156 KB

english, 2008

10

Tylosema esculentum extractives and their bioactivity

Ofentse Mazimba, Runner R.T. Majinda, Ceciliah Modibedi, Ishmael B. Masesane, Avrelija Cencič, Walter Chingwaru

Journal:

Bioorganic & Medicinal Chemistry

Year:

2011

Language:

english

File:

PDF, 399 KB

english, 2011

11

An efficient synthesis of flavans from salicylaldehyde and acetophenone derivatives

Ofentse Mazimba, Ishmael B. Masesane, Runner R. Majinda

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 337 KB

english, 2011

12

A flavanone and antimicrobial activities of the constituents of extracts from Mundulea sericea

Mazimba, Ofentse, Masesane, Ishmael B., Majinda, Runner R.T.

Journal:

Natural Product Research

Year:

2012

Language:

english

File:

PDF, 160 KB

english, 2012

13

ESI behavior of thiamphenicol and florfenicol in methanol and tetrahydrofuran solutions for LC–MS

Sichilongo, Kwenga, Kolanyane, Prince, Mazimba, Ofentse, Masesane, Ishmael B.

Journal:

International Journal of Mass Spectrometry

Year:

2014

Language:

english

File:

PDF, 963 KB

english, 2014

14

Stereoselective routes to 3-hydroxy and 3,4-dihydroxy derivatives of 2-aminocyclohexanecarboxylic acid

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 251 KB

english, 2004

15

Asymmetric Synthesis of the Putative Structure of (−)-Oryzoxymycin

Bunnage, Mark E., Ganesh, Thota, Masesane, Ishmael B., Orton, Darren, Steel, Patrick G.

Journal:

Organic Letters

Year:

2003

Language:

english

File:

PDF, 67 KB

english, 2003

16

A sensitive LC-MS/MS method employing a THF–water solvent system for the determination of chloramphenicol, thiamphenicol and florfenicol in bovine muscle

Sichilongo, Kwenga F., Kolanyane, Prince, Masesane, Ishmael B.

Journal:

Analytical Methods

Year:

2014

Language:

english

File:

PDF, 439 KB

english, 2014

17

Efficient and Green Preparation of 2-Amino-4H-chromenes by a Room-Temperature, Na 2 CO 3 -Catalyzed, Three-Component Reaction of Malononitrile, Benzaldehydes, and Phloroglucinol or Resorcinol in Aqueous Medium

Masesane, Ishmael B., Mihigo, Shetonde O.

Journal:

Synthetic Communications

Year:

2015

Language:

english

File:

PDF, 305 KB

english, 2015

18

Reaction of ethyl acetoacetate and 2′-hydroxychalcones: Efficient route to 9-aryl-6H-benzo[c]chromen-6-ones

B. Masesane, I., Mazimba, O.

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2014

Language:

english

File:

PDF, 156 KB

english, 2014

19

Erylivingstone A–C with antioxidant and antibacterial activities from Erythrina livingstoniana

Bedane, Kibrom Gebreheiwot, Kusari, Souvik, Eckelmann, Dennis, Masesane, Ishmael B., Spiteller, Michael, Majinda, Runner R.T.

Journal:

Year:

2015

Language:

english

File:

PDF, 949 KB

english, 2015

20

From nature, through chemical synthesis, toward use in agriculture: Oryzoxymycin case study

Bwire, Regina N., Majinda, Runner R., Masesane, Ishmael B., Steel, Patrick G.

Journal:

Pure & Applied Chemistry

Year:

2009

Language:

english

File:

PDF, 221 KB

english, 2009

21

Simple grinding-induced reactions of 2-aminobenzyl alcohol and benzaldehyde derivatives, a rapid synthetic route to 3,1-benzoxazines

B. Masesane, I., Muriithi, E., H. Tabane, T.

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2014

Language:

english

File:

PDF, 108 KB

english, 2014

22

Stereoselective Routes to PolyhydroxylatedCyclohexyl-β-amino Acids

Masesane, Ishmael B., Steel, Patrick G.

Journal:

Year:

2003

Language:

english

File:

PDF, 59 KB

english, 2003

23

Flavanones of Erythrina livingstoniana with antioxidant properties

Bedane, Kibrom Gebreheiwot, Kusari, Souvik, Masesane, Ishmael B., Spiteller, Michael, Majinda, Runner R.T.

Journal:

Year:

2016

Language:

english

File:

PDF, 1.17 MB

english, 2016

24

ChemInform Abstract: Efficient and Green Preparation of 2-Amino-4H-chromenes by a Room-Temperature, Na 2 CO 3 -Catalyzed, Three-Component Reaction of Malononitrile, Benzaldehydes, and Phloroglucinol or Resorcinol in Aqueous Medium.

Masesane, Ishmael B., Mihigo, Shetonde O.

Journal:

Year:

2015

File:

PDF, 18 KB

2015

25

New isoflavans from the root bark of Erythrina livingstoniana

Bedane, Kibrom Gebreheiwot, Masesane, Ishmael B., Majinda, Runner R.T.

Journal:

Phytochemistry Letters

Year:

2016

Language:

english

File:

PDF, 392 KB

english, 2016

26

A Fast and Efficient Synthesis of Flavanones From Cinnamic Acids

Bedane, Kibrom Gebreheiwot, Majinda, Runner R. T., Masesane, Ishmael B.

Journal:

Synthetic Communications

Year:

2016

Language:

english

File:

PDF, 565 KB

english, 2016

27

Chemical constituents of the root bark of Erythrina droogmansiana

Bedane, Kibrom Gebreheiwot, Kusari, Souvik, Bullach, Anke, Masesane, Ishmael B., Mihigo, Shetonde O., Spiteller, Michael, Majinda, Runner R.T.

Journal:

Phytochemistry Letters

Year:

2017

Language:

english

File:

PDF, 385 KB

english, 2017

28

Chemical constituents of root and stem bark of Erythrina brucei

Gurmessa, Getahun Tadesse, Kusari, Souvik, Laatsch, Hartmut, Bojase, Gomotsang, Tatolo, Godiraone, Masesane, Ishmael B., Spiteller, Michael, Majinda, Runner R.T.

Journal:

Phytochemistry Letters

Year:

2018

Language:

english

File:

PDF, 265 KB

english, 2018

29

Prenylated isoflavones from the stem bark of Erythrina sacleuxii

Ombito, Japheth O., Majinda, Runner R.T., Masesane, Ishmael B., Bojase, Gomotsang, Schüffler, Anja, Opatz, Till

Journal:

Phytochemistry Letters

Year:

2018

Language:

english

File:

PDF, 444 KB

english, 2018

30

Synthesis and antibacterial activities of cyclodimers of styrene oxides

Mazimba, Ofentse, R. Majinda, Runner, B. Masesane, Ishmael

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2011

Language:

english

File:

PDF, 99 KB

english, 2011

31

Recent results from natural product research at the University of Botswana

Majinda, Runner R. T., Abegaz, Berhanu M., Bezabih, Merhatibeb, Ngadjui, Bonaventure T., Wanjala, Cornelius C. W., Mdee, Ladislaus K., Bojase, Gomotsang, Silayo, Alfonse, Masesane, Ishmael, Yeboah, Sa

Journal:

Pure & Applied Chemistry

Year:

2001

Language:

english

File:

PDF, 368 KB

english, 2001

32

10.1186/1860-5397-2-9

Masesane, Ishmael B, Batsanov, Andrei S, Howard, Judith AK, Mondal, Raju, Steel, Patrick G

Journal:

Beilstein Journal of Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 326 KB

english, 2006

33

FACILE ENANTIOSELECTIVE PALLADIUM CATALYSED TRANSFER HYDROGENATION OF α-METHYLCINNAMIC ACID IN THE PRESENCE OF OPTICAL PURE ORGANIC ACIDS

N. Bwire, Reginah, R. T. Majinda, Runner, B. Masesane, Ishmael

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2007

Language:

english

File:

PDF, 99 KB

english, 2007

34

Gas phase ion chemistry of coumarins: ab initio calculations used to justify negative chemical ionization trends

F. Sichilongo, K., O. Jaoko, V., Mbaiwa, F., B. Masesane, I.

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2015

Language:

english

File:

PDF, 469 KB

english, 2015

35

Erysacleuxins C and D, new isoflavones from the twigs of Erythrina sacleuxii Hua and their cytotoxic activity

Ombito, Japheth O., Bojase, Gomotsang, Majinda, Runner R.T., Masesane, Ishmael B., Schüffler, Anja, Opatz, Till

Journal:

Arabian Journal of Chemistry

Year:

2019

File:

PDF, 511 KB

2019

36

Radical Scavenging-Flavonoids from Erythrina abyssinica

Machumi, Francis, Bojase-Moleta, Gomotsang, Mapitse, Renameditswe, Masesane, Ishmael, Majinda, Runner R. T.

Journal:

Natural Product Communications

Year:

2006

Language:

english

File:

PDF, 227 KB

english, 2006

37

A New 3-Prenyl-2-flavene and Other Extractives from Baphia massaiensis and Their Antimicrobial Activities

Keroletswe, Ngonye, Majinda, Runner R. T., Masesane, Ishmael B.

Journal:

Natural Product Communications

Year:

2018

Language:

english

File:

PDF, 286 KB

english, 2018

38

A New 3-Prenyl-2-flavene and Other Extractives from Baphia massaiensis and Their Antimicrobial Activities

Keroletswe, Ngonye, Majinda, Runner R. T., Masesane, Ishmael B.

Journal:

Natural Product Communications

Year:

2018

File:

PDF, 286 KB

2018