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1

Furoquinoline Alkaloids of Teclea ouabanguiensis

Ayafor, J. Foyere, Sondengam, B. Lucas, Bilon, A. Ngo, Tsamo, E., Kimbu, Samuel F., Okogun, Joseph I.

Journal:

Journal of Natural Products

Year:

1982

Language:

english

File:

PDF, 306 KB

english, 1982

2

Tecleaverdoornine: a new C-prenylated phenylated furoquinoline

Okogun, Joseph I., Ayafor, J. Foyere

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1977

Language:

english

File:

PDF, 158 KB

english, 1977

3

Antioxidant and drug detoxification potential of aqueous extract of Annona senegalensis leaves in carbon tetrachloride-induced hepatocellular damage

Ajboye, Taofeek O., Yakubu, Musa T., Salau, Amadu K., Oladiji, Adenike T., Akanji, Musbau A., Okogun, Joseph I.

Journal:

Pharmaceutical Biology

Year:

2010

Language:

english

File:

PDF, 821 KB

english, 2010

4

[Advances in Phytomedicine] Ethnomedicine and Drug Discovery Volume 1 || Chapter 12 Drug discovery through ethnobotany in Nigeria: Some results

Okogun, Joseph I

Year:

2002

Language:

english

File:

PDF, 571 KB

english, 2002

5

ChemInform Abstract: MELIACINS(LIMONOIDS). MINOR CONSTITUENTS OF KHAYA ANTHOTHECA. REDUCTION OF THE MELIACINS WITH ZINC-COPPER COUPLE

EKONG, DONALD E. U., OKOGUN, JOSEPH I., SONDENGAM, B. LUCAS

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 225 KB

1976

6

Constitution, stereochemistry and conformational behaviour of the photoreaction product of 7-deacetoxy-7-oxokhivorin

Joseph I. Okogun, Helmut Duddeck, Gerhard Habermehl, Hans C. Krebs, Gábor Tóth, András Simon

Journal:

Magnetic Resonance in Chemistry

Year:

1998

Language:

english

File:

PDF, 186 KB

english, 1998

7

New tricarbonyl(amido-substituted-1,3-diene)iron complexes

Timothy I. Odiaka, Joseph I. Okogun

Journal:

Journal of Organometallic Chemistry

Year:

1985

Language:

english

File:

PDF, 192 KB

english, 1985

8

Roseadione, a diterpene ketone from Hypoestes rosea

Akinbo A. Adesomoju, Joseph I. Okogun, Michael P. Cava, Patrick J. Carroll

Journal:

Year:

1983

Language:

english

File:

PDF, 180 KB

english, 1983

9

GC-MS identification of abscisic acid and abscisic acid metabolites in seed of Vigna unguiculata

Akinbo A. Adesomoju, Joseph I. Okogun, Donald E.U. Ekong, Paul Gaskin

Journal:

Year:

1980

Language:

english

File:

PDF, 286 KB

english, 1980

10

Myrianthic acid: a triterpene acid from the rootwood of Myrianthus arboreus

Chukwunonye M. Ojinnaka, Joseph I. Okogun, Dominic A. Okorie

Journal:

Year:

1984

Language:

english

File:

PDF, 288 KB

english, 1984

11

Triterpene acids from Myrianthus arboreus

Chukwunonye M. Ojinnaka, Joseph I. Okogun, Dominic A. Okorie

Journal:

Year:

1980

Language:

english

File:

PDF, 244 KB

english, 1980

12

Behavioural Effects in Rodents of Methyl Angolensate: a Triterpenoid Isolated from Entandrophragma angolense

Samson Amos, Abayomi Orisadipe, Lucy Binda, Martins Emeje, Akinbobola Adesomoju, Joseph Okogun, Peter Akah, Charles Wambebe, Karniyus Gamaniel

Journal:

Basic & Clinical Pharmacology & Toxicology

Year:

2002

Language:

english

File:

PDF, 113 KB

english, 2002

13

Effect of oral administration of aqueous whole extract of Cassytha filiformis on haematograms and plasma biochemical parameters in rats

Hausatu M. Babayi, Joseph, J. I. Udeme, Joseph A. Abalaka, Joseph I. Okogun, O. A. Salawu, David D. Akumka, Adamu, Sunday S. Zarma, Bulus B. Adzu, Sabo S. Abdulmumuni, Kolo Ibrahime, Baba B. Elisha, S

Journal:

Journal of Medical Toxicology

Year:

2007

Language:

english

File:

PDF, 114 KB

english, 2007

14

New C33 aliphatic ketone from Cyclosorus straitus

Chukwuemeka M. Ekweozor, Joseph I. Okogun

Journal:

Year:

1979

Language:

english

File:

PDF, 252 KB

english, 1979

15

Tirucallane triterpenes from the leaf extract of Entandrophragma angolense

Abayomi T. Orisadipe, Akinbobola A. Adesomoju, Michele D’Ambrosio, Antonio Guerriero, Joseph I. Okogun

Journal:

Year:

2005

Language:

english

File:

PDF, 176 KB

english, 2005

16

Triterpenoids and betaines from the latex and bark of Antiaris africana

Joseph I. Okogun, Ayebaemi I. Spiff, Donald E.U. Ekong

Journal:

Year:

1976

Language:

english

File:

PDF, 269 KB

english, 1976

17

New amides from the extracts of Piper guineense

Joseph I. Okogun, B.Lucas Sondengam, Samuel F. Kimbu

Journal:

Year:

1977

Language:

english

File:

PDF, 120 KB

english, 1977

18

New antisickling agent 3,4-dihydro-2,2-dimethyl-2H-1 benzopyran-6-butyric acid

EKONG, DONALD E. U., OKOGUN, JOSEPH I., ENYENIHI, VICTORIA U., BALOGH-NAIR, VALERIA, NAKANISHI, KOJI, NATTA, CLAYTON

Journal:

Year:

1975

File:

PDF, 532 KB

1975

19

Citric acid production from imumu Cyperus esculentus and Maize Zea mays

Kayode O. Esuoso, Rotimi A. Oderinde, Joseph I. Okogun

Journal:

Journal of Fermentation and Bioengineering

Year:

1991

Language:

english

File:

PDF, 252 KB

english, 1991

20

Plasmodium berghei: Antiparasitic effects of orally administered Hypoestoxide in mice

Emmanuel A. Ojo-Amaize, Emeka J. Nchekwube, Howard B. Cottam, Olusola A. Oyemade, Akinbo A. Adesomoju, Joseph I. Okogun

Journal:

Experimental Parasitology

Year:

2007

Language:

english

File:

PDF, 115 KB

english, 2007

21

In vivo trypanocidal activity of Annona senegalensis Pers. leaf extract against Trypanosoma brucei brucei

Emmanuel O. Ogbadoyi, Akinsunbo O. Abdulganiy, Theophilus Z. Adama, Joseph I. Okogun

Journal:

Journal of Ethnopharmacology

Year:

2007

Language:

english

File:

PDF, 207 KB

english, 2007

22

21st Century natural product research and drug development and traditional medicines

Ngo, Linh T., Okogun, Joseph I., Folk, William R.

Journal:

Natural Product Reports

Year:

2013

Language:

english

File:

PDF, 276 KB

english, 2013

23

Nkolbisine, a New Furoquinoline Alkaloid, and 7-Deacetylazadirone From Teclea verdoorniana

Ayafor, Johnson Foyere, Okogun, Joseph I.

Journal:

Journal of Natural Products

Year:

1982

Language:

english

File:

PDF, 345 KB

english, 1982

24

Antioxidant and drug detoxification potentials of Hibiscus sabdariffa anthocyanin extract

Ajiboye, Taofeek O., Salawu, Nasir A., Yakubu, Musa T., Oladiji, Adenike T., Akanji, Musbau A., Okogun, Joseph I.

Journal:

Drug and Chemical Toxicology

Year:

2011

Language:

english

File:

PDF, 759 KB

english, 2011

25

An unprecedented gedunin rearrangement reaction converts a methyl group into the methylene group of a cyclopropyl ring

Okhale, Samuel E., Decatur, John, Itagaki, Yasuhiro, Amupitan, Joseph O., Ndukwe, George I., Ellestad, George, Okogun, Joseph I.

Journal:

Year:

2014

Language:

english

File:

PDF, 488 KB

english, 2014

26

Roseatoxide and Dihypoestoxide: Additional New Diterpenoids from Hypoestes rosea

Adesomoju, Akinbo A., Okogun, Joseph I.

Journal:

Journal of Natural Products

Year:

1984

Language:

english

File:

PDF, 242 KB

english, 1984

27

Reactions of salicylaldehyde: a novel oxidative cyclisation giving xanthones in low yields

Okogun, Joseph I., Okwute, Kenule S.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1975

Language:

english

File:

PDF, 102 KB

english, 1975

28

Use of 7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole for Determining Cysteine and Cystine in Cereal and Legume Seeds

Akinyele, Ayoni F., Okogun, Joseph I., Faboya, Olufemi P.

Journal:

Journal of Agricultural and Food Chemistry

Year:

1999

Language:

english

File:

PDF, 59 KB

english, 1999

29

The Chemical Constituents of Musanga cecropioides

Ojinnaka, Chukwunonye M., Okogun, Joseph I.

Journal:

Journal of Natural Products

Year:

1985

Language:

english

File:

PDF, 78 KB

english, 1985

30

The structure of euphorianin, an ingol diterpenoid from Euphorbia poisonii

Fakunle, Christopher O., Okogun, Joseph I., Ekong, Donald E., Connolly, Joseph D., Rycroft, David S.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1990

Language:

english

File:

PDF, 391 KB

english, 1990

31

The meliacins (limonoids): minor constituents of Khaya anthotheca: reduction of the meliacins with zinc?copper couple

Ekong, Donald E. U., Okogun, Joseph I., Sondengam, B. Lucas

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1975

Language:

english

File:

PDF, 680 KB

english, 1975

32

Chemistry of the meliacins (limonoids). The structure of melianin A, a new protomeliacin from Melia azedarach

Okogun, Joseph I., Fakunle, Christopher O., Ekong, Donald E. U., Connolly, Joseph D.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1975

Language:

english

File:

PDF, 609 KB

english, 1975

33

Generation of xanthones and benzoxanthones from o-aryloxybenzaldehydes by use of copper(II) halides

Okogun, Joseph I.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1976

Language:

english

File:

PDF, 382 KB

english, 1976

34

Antiplasmodial Principles from Cassia nigricans .

Obodozie, Obiageri O., Okpako, Larry C., Tarfa, Florence D., Orisadipe, Abayomi T., Okogun, Joseph I., Inyang, Uford S., Ajaiyeoba, Edith O., Wright, Colin W.

Journal:

Pharmaceutical Biology

Year:

2005

Language:

english

File:

PDF, 88 KB

english, 2005

35

Acetaminophen perturbed redox homeostasis in Wistar rat liver: protective role of aqueous Pterocarpus osun leaf extract

Ajiboye, Taofeek O., Salau, Amadu K., Yakubu, Musa T., Oladiji, Adenike T., Akanji, Musbau A., Okogun, Joseph I.

Journal:

Drug and Chemical Toxicology

Year:

2010

Language:

english

File:

PDF, 885 KB

english, 2010

36

Isolation and identification of three new phenolic furoquinoline alkaloids from Teclea verdoorniana Exell & Mendon�a (Rutaceae)

Ayafor, Johnson Foyere, Okogun, Joseph I.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 924 KB

english, 1982

37

Antifertility Activity of Quassia amara : Quassin Inhibits the Steroidogenesis in Rat Leydig Cells In Vitro

Njar, Vincent, Alao, Taiwo, Okogun, Joseph, Raji, Yinusa, Bolarinwa, Adeyombo, Nduka, Ebere

Journal:

Year:

1995

Language:

english

File:

PDF, 238 KB

english, 1995

38

Extracts from the fruits of Piper guineense schum. and thonn

Okogun, Joseph I., Ekong, Donald E. U.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1974

Language:

english

File:

PDF, 498 KB

english, 1974

39

A convenient solvent-specific synthesis of 4-[4-acetoxy-3-(3-methylbut-2-enyl)phenyl]butyric acid

Fatope, Majekodunmi O., Okogun, Joseph I.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 302 KB

english, 1982

40

Hypoestoxide reduces neuroinflammation and α-synuclein accumulation in a mouse model of Parkinson’s disease

Kim, Changyoun, Ojo-Amaize, Emmanuel, Spencer, Brian, Rockenstein, Edward, Mante, Michael, Desplats, Paula, Wrasidlo, Wolf, Adame, Anthony, Nchekwube, Emeka, Oyemade, Olusola, Okogun, Joseph, Chan, Mi

Journal:

Journal of Neuroinflammation

Year:

2015

Language:

english

File:

PDF, 2.49 MB

english, 2015

41

Spasmolytic Activity of Methyl Angolensate. A Triterpenoid Isolated from Entandrophragma angolense.

ORISADIPE, Abayomi, AMOS, Samson, ADESOMOJU, Akinbobola, BINDA, Lucy, EMEJE, Martins, OKOGUN, Joseph, WAMBEBE, Charles, GAMANIEL, Karniyus

Journal:

Biological & Pharmaceutical Bulletin

Year:

2001

Language:

english

File:

PDF, 63 KB

english, 2001

42

ChemInform Abstract: EXTRACTS FROM THE FRUITS OF PIPERGUINEENSE SCHUM. AND THONN

OKOGUN, JOSEPH I., EKONG, DONALD E. U.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 71 KB

1975

43

ChemInform Abstract: CHEMISTRY OF THE MELIACINS (LIMONOIDS). THE STRUCTURE OF MELIANIN A, A NEW PROTOMELIACIN FROM MELIA AZEDARACH

OKOGUN, JOSEPH I., FAKUNLE, CHRISTOPHER O., EKONG, DONALD E. U., CONNOLLY, J. D.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 89 KB

1975

44

Tetranortriterpenoids and related compounds. Part 26. Tecleanin, a possible precursor of limonin, and other new tetranortriterpenoids from Teclea grandifolia Engl. (Rutaceae)

Ayafor, J. Foyere, Sondengam, B. Lucas, Connolly, Joseph D., Rycroft, David S., Okogun, Joseph I.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1981

Language:

english

File:

PDF, 466 KB

english, 1981

45

Roseanolone: A New Diterpene from Hypoestes rosea

Okogun, Joseph I., Adesomoju, Akinbo A., Adesida, George A., Lindner, Hans Jörg, Habermehl, Gerhard

Journal:

Zeitschrift für Naturforschung C

Year:

1982

Language:

english

File:

PDF, 3.29 MB

english, 1982

46

Corrigenda

Cheung, H. T. Andrew, Brown, Lindsay, Boutagy, John, Thomas, Richard, Higgins, Stanley D., Thomas, C. Barry, Gagnieu, Christian H., Grouiller, Annie V., Fatope, Majekodunmi O., Okogun, Joseph I., Mats

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1983

Language:

english

File:

PDF, 117 KB

english, 1983

47

X-Ray Crystal Structure Analysis of Deacetyldehydroeuphorianin: The Correct Structure of the Novel Pentacyclic Macrocyclic Diterpene, Euphorianin

Okogun, Joseph I., Fakunle, Christopher O., Ekong, Donald E. U., Lindner, Hans J., Habermehl, Gerhard G.

Journal:

Zeitschrift für Naturforschung B

Year:

1987

Language:

english

File:

PDF, 4.30 MB

english, 1987