"Conceptualising dynamic relations between african land ownership systems. Land policies and farm productivity: Some practical research issues"; paper for Wolrd Bank Workshop on Research Methodology in the Study of Land Tenure Rural Credit and Agricultura

Citation:
OKOTH PROFOGENDOHASTINGW. ""Conceptualising dynamic relations between african land ownership systems. Land policies and farm productivity: Some practical research issues"; paper for Wolrd Bank Workshop on Research Methodology in the Study of Land Tenure Rural Credit and Agricultura.". In: Cent. Afri. J. Pharm.Sci. 5(3): 60-66. Cent. Afri. J. Pharm.Sci. 5(3): 60-66; 1987.

Abstract:

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-O-beta-D-desosaminylerythronolide A and 15-nor-erythromycin C, in mother liquor concentrates of Streptomyces erythraeus is described. The pseudo-erythromycin derivatives are characterized by a 12-membered macrocyclic ring as a result of C13––C11 trans-lactonization. The five compounds have very little antimicrobial activity.

Notes:

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