Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Augustin Ephram Nkengfack"'
Autor:
Véronique Penlap Beng, Salem Ramadan Sarite, Victor Kuete, Hidayat Hussain, Augustin Ephram Nkengfack, Achim Hoerauf, Kenneth Oben Eyong, Michael Saeftel, Karsten Krohn, Gabriel N. Folefoc
Publikováno v:
Phytochemistry. 67:605-609
The study of the chemical constituents of the roots of Newbouldia laevis (Bignoniaceae) has resulted in the isolation and characterization of a naphthoquinone–anthraquinone coupled pigment named newbouldiaquinone A ( 1 ) together with 14 known comp
Autor:
Rosa Ubillas, K B Killday, Zacharias Tanee Fomum, Jean Wandji, Augustin Ephram Nkengfack, Michael S. Tempesta
Publikováno v:
Journal of Natural Products. 53:1425-1429
Two new compounds, a long chain ester 1 of p-coumaric acid and a prenylated isoflavone, senegalensin [5], 5,4'-dihydroxy-8-(gamma,gamma-dimethylallyl)-[5"-(hydroxyisopropyl ) (2",3":6.7)] isoflavone, in addition to a known long chain ester 2 of ferul
Publikováno v:
Journal of Natural Products. 52:320-324
In addition to the known compounds erythinasinate [1] and abyssinone V [2], two new flavonoids were isolated from the CHCl3 extract of the stem bark of Erythrina eriotriocha and characterized by spectroscopic techniques as 3'-prenylnaringenin [3] and
Publikováno v:
Phytochemistry. 28:2522-2526
The new isoflavone, 8-prenylluteone, has been isolated from the stem bark of Erythrina eriotriocha and its structure established by spectroscopic means and chemical transformations. The previously known prenylated isoflavones 6,8-diprenylorobol, auri