Lontsi, D. : rechercher sur Z-Library

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1

Crassiflorone, a new naphthoquinone from Diospyros crassiflora (Hien)

Jean Gustave Tangmouo, Alain Lannang Meli, Justin Komguem, Victor Kuete, Fernande Ngninzeko Ngounou, David Lontsi, Veronique Penlap Beng, M. Iqbal Choudhary, Beban Luc Sondengam

Journal:

Tetrahedron Letters

Année:

2006

Langue:

english

Fichier:

PDF, 107 KB

english, 2006

2

In Vitro antifungal activity of extract and plumbagin from the stem bark of Diospyros crassiflora Hiern (Ebenaceae)

J. P. Dzoyem, J. G. Tangmouo, D. Lontsi, F. X. Etoa, P. J. Lohoue

Journal:

Phytotherapy Research

Année:

2007

Langue:

english

Fichier:

PDF, 102 KB

english, 2007

3

Models relating soil pH measurements in H 2 O, KCl and CaCl 2 for volcanic ash soils of Cameroon

Kome, Georges Kogge, Enang, Roger Kogge, Yerima, Bernard Palmer Kfuban, Lontsi, Meli Gilles Raoul

Journal:

Geoderma Regional

Année:

2018

Langue:

english

Fichier:

PDF, 1.08 MB

english, 2018

4

A pentacyclic triterpene diacid from Myrianthus arboreus

F.N. Ngounou, D. Lontsi, B.L. Sondengam

Journal:

Année:

1988

Langue:

english

Fichier:

PDF, 243 KB

english, 1988

5

Myrianthinic acid: A new triterpenoid from Myrianthus arboreus

F. Ngninzeko Ngounou, David Lontsi, B.Lucas Sondengam

Journal:

Année:

1988

Langue:

english

Fichier:

PDF, 267 KB

english, 1988

6

Pachypophyllin and pachypostaudins A and B: three bisnorlignans from pachypodanthium staudtii

Bonaventure T. Ngadjui, David Lontsi, Johnson Foyere Ayafor, B.Lucas Sondengam

Journal:

Année:

1989

Langue:

english

Fichier:

PDF, 432 KB

english, 1989

7

Seco-ring-A-triterpenoids from the rootwood of Musanga cecropioides

D. Lontsi, B.L. Sondengam, M.T. Martin, B. Bodo

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 354 KB

english, 1991

8

Pentacyclic triterpenes from Myrianthus liberecus

Azefack Leon Tapondjou, Ngninzeko Fernande Ngounou, David Lontsi, Beibam Lucas Sondengam, Marie-Therese Martin, Bernard Bodo

Journal:

Année:

1995

Langue:

english

Fichier:

PDF, 325 KB

english, 1995

9

Xanthones from Garcinia smeathmannii (Oliver) and their antimicrobial activity

Justin Komguem, A.L. Meli, R.N. Manfouo, David Lontsi, F.N. Ngounou, V. Kuete, Hippolyte W. Kamdem, Pierre Tane, Bonaventure T. Ngadjui, Beiban L. Sondengam, Joseph D. Connolly

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 117 KB

english, 2005

10

Norbergenin derivatives from the stem bark of Diospyros sanza-minika (Ebenaceae) and their radical scavenging activity

Jean Gustave Tangmouo, Raimana Ho, Alain Meli Lannang, Justin Komguem, Axel Tiwa Lontsi, David Lontsi, Kurt Hostettmann

Journal:

Phytochemistry Letters

Année:

2009

Langue:

english

Fichier:

PDF, 157 KB

english, 2009

11

Cecropioic acid, a pentacyclic triterpene from Musanga cecropioides

D. Lontsi, B.L. Sondengam, M.T. Martin, B. Bodo

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 324 KB

english, 1998

12

Cecropiacic acid, a new pentacyclic A-ring seco triterpenoid from Musanga cecropioides

David Lontsi, B.Lucas Sondengam, J.Foyere Ayafor, Joseph D. Connolly

Journal:

Tetrahedron Letters

Année:

1987

Langue:

english

Fichier:

PDF, 217 KB

english, 1987

13

Arboreic acid: a pentacyclic triterpenoid from Myrianthus arboreus

F.Ngninzeko Ngounou, David Lontsi, J.Foyere Ayafor, B.Lucas Sondengam

Journal:

Année:

1987

Langue:

english

Fichier:

PDF, 266 KB

english, 1987

14

Protective role of Anacardium occidentale extract against streptozotocin-induced diabetes in rats

Pierre Kamtchouing, Selestin D Sokeng, Paul F Moundipa, Pierre Watcho, Hermine B Jatsa, David Lontsi

Journal:

Journal of Ethnopharmacology

Année:

1998

Langue:

english

Fichier:

PDF, 65 KB

english, 1998

15

Dynamic simulation of a small modified Joule cycle reciprocating Ericsson engine for micro-cogeneration systems

Lontsi, Frederic, Hamandjoda, Oumarou, Fozao, Kennedy, Stouffs, Pascal, Nganhou, Jean

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 1.11 MB

english, 2013

16

Further Triterpenoids of Musanga cecropioides : The Structure of Cecropic Acid

Lontsi, D., Sondengam, B., Ayafor, J., Tsoupras, M., Tabacchi, R.

Journal:

Année:

1990

Langue:

english

Fichier:

PDF, 286 KB

english, 1990

17

Development and performance analysis of a multi-temperature combined compression/ejection refrigeration cycle using environment friendly refrigerants

Lontsi, F., Hamandjoda, O., Sosso Mayi, O.T., Kemajou, A.

Journal:

International Journal of Refrigeration

Année:

2016

Langue:

english

Fichier:

PDF, 855 KB

english, 2016

18

HIV/AIDS infection prevalence in an agriculture-dominated rural community of west region of Cameroon

Sevidzem, Silas Lendzele, Mamoudou, Abdoulmoumini, Kenne, Nzokem Blaise, Lontsi, Demano Michel, Akoge, Irene

Journal:

Asian Pacific Journal of Tropical Disease

Année:

2016

Langue:

english

Fichier:

PDF, 336 KB

english, 2016

19

Mixture of Sodium Hypochlorite and Hydrogen Peroxide on Adhered Aeromonas hydrophila to Solid Substrate in Water: Impact of Concentration and Assessment of the Synergistic Effect

Lontsi Djimeli, Chrétien, Tamsa Arfao, Antoine, Noah Ewoti, Olive V., Nougang, Mireille Ebiane, Moungang, Marlyse L., Bricheux, Geneviève, Nola, Moïse, Sime-Ngando, Télesphore

Journal:

International Journal of Bacteriology

Année:

2014

Langue:

english

Fichier:

PDF, 1.35 MB

english, 2014

20

Changes in soil organic carbon and nutrient stocks in conventional selective logging versus reduced-impact logging in rainforests on highly weathered soils in Southern Cameroon

Tchiofo Lontsi, Rodine, Corre, Marife D., van Straaten, Oliver, Veldkamp, Edzo

Journal:

Forest Ecology and Management

Année:

2019

Fichier:

PDF, 1.84 MB

2019

21

ChemInform Abstract: Cecropioic Acid, a Pentacyclic Triterpene from Musanga cecropioides.

D. LONTSI, B. L. SONDENGAM, M. T. MARTIN, B. BODO

Journal:

Année:

1998

Fichier:

PDF, 26 KB

1998

22

ChemInform Abstract: New Isoflavones from Ceiba pentandra.

F. N. Ngounou, A. L. Meli, D. Lontsi, B. L. Sondengam, Atta-Ur-Rahman Atta-Ur-Rahman, M. Iqbal Choudhary, Shahid Malik, Farzana Akhtar

Journal:

Année:

2000

Fichier:

PDF, 24 KB

2000

23

Musancropic acids A and B: A-ring contracted triterpenes from Musanga cecropioides

D. Lontsi, B.L. Sondengam, M.T. Martin, B. Bodo

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 442 KB

english, 1991

24

Musangicic acid, a triterpenoid constituent of Musanga cecropioides

David Lontsi, Beibam-Lucas Sondengam, Marie-Therese Martin, Bernard Bodo

Journal:

Année:

1992

Langue:

english

Fichier:

PDF, 350 KB

english, 1992

25

Bangangxanthone A and B, two xanthones from the stem bark of Garcinia polyantha Oliv.

A. Meli Lannang, J. Komguem, F. Ngounou Ngninzeko, J. Gustave Tangmouo, D. Lontsi, Asma Ajaz, M. Iqbal Choudhary, Rosa Ranjit, Krishna P. Devkota, B. Luc Sondengam

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 134 KB

english, 2005

26

Bafoudiosbulbins A, and B, two anti-salmonellal clerodane diterpenoids from Dioscorea bulbifera L. var sativa

Rémy Bertrand Teponno, Azefack Léon Tapondjou, Donatien Gatsing, Jules Désiré Djoukeng, Eliane Abou-Mansour, Raphael Tabacchi, Pierre Tane, H. Stoekli-Evans, David Lontsi

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 205 KB

english, 2006

27

Corrigendum to “Bafoudiosbulbins A, and B, two anti-salmonellal clerodane diterpenoids from Dioscorea bulbifera L. var sativa” [Phytochemistry 67 (2006) 1957–1963]

Rémy Bertrand Teponno, Azefack Léon Tapondjou, Donatien Gatsing, Jules Désiré Djoukeng, Eliane Abou-Mansour, Raphael Tabacchi, Pierre Tane, H. Stoekli-Evans, David Lontsi

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 67 KB

english, 2007

28

New isoflavones from Ceiba pentandra

F.N Ngounou, A.L Meli, D Lontsi, B.L Sondengam, Atta-Ur-Rahman, M.Iqbal Choudhary, Shahid Malik, Farzana Akhtar

Journal:

Année:

2000

Langue:

english

Fichier:

PDF, 153 KB

english, 2000

29

An E-ring γ-lactone pentacyclic triterpene from Myrianthus serratus

David Lontsi, Ngninzeko Fernande Ngounou, Azefack Leon Tapondjou, Beibam Lucas Sondengam, Bernard Bodo, Marie-Therese Martin

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 191 KB

english, 1998

30

Two saponins from Pteleopsis hylodendron

F.N Ngounou, Atta-ur-Rahman, M.Iqbal Choudhary, Shahid Malik, Seema Zareen, Riaz Ali, D Lontsi, B.L Sondengam

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 141 KB

english, 1999

31

Reactions of 2,3,19-trihydroxyurs-12-triterpenoids: Pinacol rearrangement of methyl 2α,3β,19α-trihydroxyurs-12-en-28-oate

L.A Tapondjou, F.N. Ngounou, D. Lontsi, B.L. Sondengam, J.D. Connolly

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 495 KB

english, 1998

32

The use of two-dimensional long-range δC/δH correlation in conjunction with the one-dimensional proton-coupled 13C NMR spectrum in the structural elucidation of ekeberginine, a new carbazole alkaloid from ekebergia senegalensis (meliaceae)

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

Journal:

Tetrahedron Letters

Année:

1985

Langue:

english

Fichier:

PDF, 234 KB

english, 1985

33

Structure-activity relationship of triterpenoids isolated fromMitragyna stipulosaon cytotoxicity

Leon Azefack Tapondjou, David Lontsi, Beiham Luc Sondengam, Muhammad Iqbal Choudhary, Hee-Juhn Park, Jongwon Choi, Kyung-Tae Lee

Journal:

Archives of Pharmacal Research

Année:

2002

Langue:

english

Fichier:

PDF, 371 KB

english, 2002

34

In Vivoanti-nociceptive and anti-inflammatory effect of the two triterpenes, ursolic acid and 23-hydroxyursolic acid, fromcussonia bancoensis

L. A. Tapondjou, David Lontsi, Sondengam Beibam Luc, Choi Jongwon, Lee Kyung-Tae, Jung Hyun-Ju, Park Hee-Juhn

Journal:

Archives of Pharmacal Research

Année:

2003

Langue:

english

Fichier:

PDF, 319 KB

english, 2003

35

Polyanxanthone A, B and C, three xanthones from the wood trunk of Garcinia polyantha Oliv.

Gabin Nselapi Louh, Alain Meli Lannang, Celine Djama Mbazoa, Jean Gustave Tangmouo, Justin Komguem, Paula Castilho, Fernande Ngounou Ngninzeko, Naz Qamar, David Lontsi, Muhammad Iqbal Choudhary, Beiba

Journal:

Année:

2008

Langue:

english

Fichier:

PDF, 122 KB

english, 2008

36

Antimalarial Compounds from the Root Bark of Garcinia polyantha Olv.

Lannang, Alain Meli, Louh, Gabin Nselapi, Lontsi, David, Specht, Sabine, Sarite, Salem Ramadan, Flörke, Ulrich, Hussain, Hidayat, Hoerauf, Achim, Krohn, Karsten

Journal:

The Journal of Antibiotics

Année:

2008

Langue:

english

Fichier:

PDF, 200 KB

english, 2008

37

Constituents isolated from Polyscias fulva

A.-C. Mitaine-Offer, L.A. Tapondjou, D. Lontsi, B.L. Sondengam, M.I. Choudhary, Atta-ur-Rahman, M.-A. Lacaille-Dubois

Journal:

Biochemical Systematics and Ecology

Année:

2004

Langue:

english

Fichier:

PDF, 87 KB

english, 2004

38

Securidacaxanthone A, a heptaoxygenated xanthone from Securidaca longepedunculata

A. Meli Lannang, D. Lontsi, F.N. Ngounou, B.L. Sondengam, A.E. Nkengfack, F.R. van Heerden, J.C.N. Assob

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 118 KB

english, 2006

39

Inhibitory effect of Ipomoea aquatica extracts on glucose absorption using a perfused rat intestinal preparation

S.D. Sokeng, B. Rokeya, J.M.A. Hannan, K. Junaida, P. Zitech, L. Ali, G. Ngounou, D. Lontsi, P. Kamtchouing

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 116 KB

english, 2007

40

Antimicrobial components of the methanolic extract from the stem bark of Garcinia smeathmannii Oliver (Clusiaceae)

V. Kuete, J. Komguem, V. Penlap Beng, A.L. Meli, J.G. Tangmouo, F.-X. Etoa, D. Lontsi

Journal:

South African Journal of Botany

Année:

2007

Langue:

english

Fichier:

PDF, 295 KB

english, 2007

41

Constituents of the leaves of Eucalyptus saligna

Anne-Claire Mitaine-Offer, Jules Désiré Djoukeng, Léon Azefack Tapondjou, Hamilton Bouda, Holger Lerche, David Lontsi, Marie-Aleth Lacaille-Dubois

Journal:

Biochemical Systematics and Ecology

Année:

2003

Langue:

english

Fichier:

PDF, 54 KB

english, 2003

42

Traditional medicines in primary health care: plants used for the treatment of hypertension in Bafia, Cameroon

E Noumi, F Houngue, D Lontsi

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 70 KB

english, 1999

43

Hypotensive effects of some extracts of the leaves of Musanga cecropioides (Cecropiaceae). Studies in the cat and the rat

A. Kamanyi, M. Bopelet, D. Lontsi, B.K. Noamesi

Journal:

Année:

1996

Langue:

english

Fichier:

PDF, 739 KB

english, 1996

44

Neurology going global

Amadou Gallo Diop, Lontsi Hervé Nambou

Journal:

The Lancet Neurology

Année:

2010

Langue:

english

Fichier:

PDF, 132 KB

english, 2010

45

A density functional theory study of oxygen diffusion in LaAlO3 and SrTiO3

M. Lontsi-Fomena, A. Villesuzanne, J.-P. Doumerc, C. Frayret, M. Pouchard

Journal:

Computational Materials Science

Année:

2008

Langue:

english

Fichier:

PDF, 666 KB

english, 2008

46

Antibacterial triterpenes from Syzygium guineense (Myrtaceae)

J.D. Djoukeng, E. Abou-Mansour, R. Tabacchi, A.L. Tapondjou, H. Bouda, D. Lontsi

Journal:

Journal of Ethnopharmacology

Année:

2005

Langue:

english

Fichier:

PDF, 147 KB

english, 2005

47

Antimicrobial activity of the methanolic extract from the stem bark of tridesmostemon omphalocarpoides (Sapotaceae)

V. Kuete, J.G. Tangmouo, V. Penlap Beng, F.N. Ngounou, D. Lontsi

Journal:

Journal of Ethnopharmacology

Année:

2006

Langue:

english

Fichier:

PDF, 97 KB

english, 2006

48

Computational Study of the Effect of Confinement within Microporous Structures on the Activity and Selectivity of Metallocene Catalysts for Ethylene Oligomerization

Toulhoat, Hervé, Lontsi Fomena, Mireille, de Bruin, Theodorus

Journal:

Journal of the American Chemical Society

Année:

2011

Langue:

english

Fichier:

PDF, 3.10 MB

english, 2011

49

Three-dimensional shallow structure from high-frequency ambient noise tomography: New results for the Mygdonia basin-Euroseistest area, northern Greece

Hannemann, Katrin, Papazachos, Costas, Ohrnberger, Matthias, Savvaidis, Alexandros, Anthymidis, Marios, Lontsi, Agostiny M.

Journal:

Journal of Geophysical Research Solid Earth

Année:

2014

Langue:

english

Fichier:

PDF, 19.14 MB

english, 2014

50

New Antioxidant and Antimicrobial Ellagic Acid Derivatives from Pteleopsis hylodendron

Atta-Ur-Rahman,, Ngounou, F. N., Choudhary, M. Iqbal, Malik, Shahid, Makhmoor, Talat, Nur-E-Alam, M., Zareen, Seema, Lontsi, D., Ayafor, J. F., Sondengam, B. L.

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 220 KB

english, 2001