OKOGUN, Joseph : rechercher sur Z-Library

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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

Année:

1982

Langue:

english

Fichier:

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

Année:

1977

Langue:

english

Fichier:

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

Année:

2010

Langue:

english

Fichier:

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

Année:

2002

Langue:

english

Fichier:

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

Année:

1976

Fichier:

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

Année:

1998

Langue:

english

Fichier:

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

Année:

1985

Langue:

english

Fichier:

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:

Année:

1983

Langue:

english

Fichier:

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:

Année:

1980

Langue:

english

Fichier:

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:

Année:

1984

Langue:

english

Fichier:

PDF, 288 KB

english, 1984

11

Triterpene acids from Myrianthus arboreus

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

Journal:

Année:

1980

Langue:

english

Fichier:

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

Année:

2002

Langue:

english

Fichier:

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

Année:

2007

Langue:

english

Fichier:

PDF, 114 KB

english, 2007

14

New C33 aliphatic ketone from Cyclosorus straitus

Chukwuemeka M. Ekweozor, Joseph I. Okogun

Journal:

Année:

1979

Langue:

english

Fichier:

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:

Année:

2005

Langue:

english

Fichier:

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:

Année:

1976

Langue:

english

Fichier:

PDF, 269 KB

english, 1976

17

New amides from the extracts of Piper guineense

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

Journal:

Année:

1977

Langue:

english

Fichier:

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:

Année:

1975

Fichier:

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

Année:

1991

Langue:

english

Fichier:

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

Année:

2007

Langue:

english

Fichier:

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

Année:

2007

Langue:

english

Fichier:

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

Année:

2013

Langue:

english

Fichier:

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

Année:

1982

Langue:

english

Fichier:

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

Année:

2011

Langue:

english

Fichier:

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:

Année:

2014

Langue:

english

Fichier:

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

Année:

1984

Langue:

english

Fichier:

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

Année:

1975

Langue:

english

Fichier:

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

Année:

1999

Langue:

english

Fichier:

PDF, 59 KB

english, 1999

29

The Chemical Constituents of Musanga cecropioides

Ojinnaka, Chukwunonye M., Okogun, Joseph I.

Journal:

Journal of Natural Products

Année:

1985

Langue:

english

Fichier:

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

Année:

1990

Langue:

english

Fichier:

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

Année:

1975

Langue:

english

Fichier:

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

Année:

1975

Langue:

english

Fichier:

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

Année:

1976

Langue:

english

Fichier:

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

Année:

2005

Langue:

english

Fichier:

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

Année:

2010

Langue:

english

Fichier:

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

Année:

1982

Langue:

english

Fichier:

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:

Année:

1995

Langue:

english

Fichier:

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

Année:

1974

Langue:

english

Fichier:

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

Année:

1982

Langue:

english

Fichier:

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

Année:

2015

Langue:

english

Fichier:

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

Année:

2001

Langue:

english

Fichier:

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

Année:

1975

Fichier:

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

Année:

1975

Fichier:

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

Année:

1981

Langue:

english

Fichier:

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

Année:

1982

Langue:

english

Fichier:

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

Année:

1983

Langue:

english

Fichier:

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

Année:

1987

Langue:

english

Fichier:

PDF, 4.30 MB

english, 1987