Browsing Faculty of Health Sciences (FHS) by Author "Janssen, G"
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Identification of novel erythromycin derivatives in mother liquor concentrates of streptomyces erythraeus
Kibwage, IO; Janssen, G; Busson, R; Hoogmartens, J; Vanderhaeghe, H (1987)The identification of five novel compounds, pseudo-erythromycin A-6,9-hemiketal, 8,9- anhydro-pseudo-erythromycin A-6,9-hemiketal, 8,9-anhydro-pseudo-N-demethylerythromycin A-6,9-hemiketal, 5-0-fl-o-desosaminylerythronolide ... -
Isolation of erythromycins and related substances from fermentation residues of strepto.'i1yces erythreus by high-performance liquid chromatography on silica gel
Kibwage, IO; Janssen, G; Roets, E; Hoogmartens, J; Vanderhaeghe, H (1985)Preparative high-performance liquid chromatography on silica gel allows the isolation of erythromycins and related substances from mother-liquor concentrates. Three mobile phases were used consecutively: A, ethyl ... -
Preparative high performance liquid chomatography on straight silica gel of fermentatio liquor of Streptomyces erythreus
Kibwage, IO; Janssen, G; B usson, R; Roets, E; Hoogmartens, J; Vanderhaeghe, H (University of NairobiSchool of Medicine, 1984) -
Translactonization in Erythromycins
Kibwage, IO; Busson, R; Janssen, G; Hoogmartens, J; Vanderhaeghe, H (1987)When erythromycin A is heated in diethylamine-acetic acid. an erythromycin hemiketal is obtained, which can be further transformed into a new enol ether and spiroketal. The new euol ether is also obtained in equilibrium ...