Ermias
Dagne, Ethiopian natural products
chemist (Deder, Harar 08 June 1944 - Developed chemical compounds in isolation for use in pharmaceutical preparations With H. Thomsen, K. Heider, K. Franke et al. developed a simple, inexpensive bioassay against the nematode Caenorhabditis elegans using antihelmitic active extracts of plant Hagenia abyssinica (2012) With A. Yenesew, S. Asmellash, S. Mavi et al. first to report isoeleutherol as a natural product (1994) With W. Mammo, I. Casser & W. Steglich discovered araliorhamnones, a new class of anthraquinone lactones with three adjacent C-substituents on ring C (1990) With E. Berhanu first to report aloe-emodin acetate in Liliaceae family (1985) With W. Steglich obtained the first phenyl anthraquinones (1984) With W. Steglich isolated erymelanthine, a new type of Erythrina alkaloid containing a 16-azaerythrinane skeleton (1983) With N.
Castagnoli Jr. found a new metabolite of nicotine (cotinine-N-oxide) in 1972 Obtained more than 60 new chemicals from African flora SOME BIBLIOGRAPHY With M. Induli, M. Gebru, N. Abdissa et al. Antiplasmodial quinones from the rhizomes of Kniphofia foliosa. Nat. Prod. Comm. 8(9):1261-4, 2013 With A. Debeko, M. Lang, K. Polborn & W. Steglich. Four lignans from Commiphora erlangeriana. J. Nat. Prod. 65(9):1252-7, 2009 With A. Dekebo & O. Sterner. Furanosesquiterpenes from Commiphora sphaerocarpa and related adulterants of true myrrh. Fitoterapia 73(1):48-55, 2002 With A. Dekebo, L.K. Hansen, O.R. Gautum & A.J. Aasen. Two octanordammarane triterpenes from Commiphora kua. Phytochem. 59(4):399-403, 2002 With D. Bisrat, C. Codina & J. Bastida. A C,O-diglucosylated oxanthrone from Aloe littoralis. Phytochem. 48(5):903-5, 1998 With E. Yankep & Z.T. Fomum. An O-geranylated isoflavone from Millettia griffoniana. Phytochem. 46(3):591-3, 1997 With A.A.L. Gunatilaka et al. Two new cytotoxic cytochalasins from Xylaria obovata. Tetrahedron (1994) With M. Alemu & O. Sterner. Flavonoids from Euclea divinorum. Bull. Chem. Soc. Ethiop. 7(2):87-92, 1993 With A.A.L. Gunatilaka & D.G.I. Kingston. Two bioactive pterocarpans from Erythrina burana. J. Nat. Prod. 56(10):1831-4, 1993 With E. Berhanu & W. Steglich. New bianthraquinone pigments from Kniphofia species. Bull. Chem. Soc. Ethiop. 1(1):32-5, 1987 With W. Steglich. Knipholone: an unique anthraquinone derivative from Kniphofia foliosa. Phytochem. 23:1729-32, 1984 |
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