The role of the hydroxymethyl function on the biological activity of the antitumor antibiotic sparsomycin

LAGM Van den Broek, PJ Fennis, MA Arevalo…

Index: Van den Broek; Fennis; Arevalo; Lazaro; Ballesta; Lelieveld; Ottenheijm European Journal of Medicinal Chemistry, 1989 , vol. 24, # 5 p. 503 - 510

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Citation Number: 5

Abstract

Abstract The synthesis is described of the sparsomycin analogues11–14 from the l-amino acids valine, isoleucine, phenylalanine and proline, respectively. The sparsomycin derivative 21 was not prepared in a similar way from glycine, but from cystamine following a different reaction route. These analogues, as well as the O-methylated and O-acetylated derivatives 15 and 16, respectively, were tested in vitro for their protein synthesis inhibitory ...