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The antibiotic prumycin has been identified as 4-D-alanylamino-2-amino-2,4-dideoxy-L-arabinose (1). 1H and 13C N.m.r. data for prumycin and related compounds, particularly the methyl glycoside of O-acetyl-NN′-bisbenzyl-oxycarbonylprumycin (6β) and NN′-diacetylprumycin (3), were major factors in establishing the structure. The absolute configuration was derived by comparing the optical rotation of prumycin with those of other L-arabinose derivatives.
S. Ōmura, M. Katagiri, K. Atsumi, T. Hata, A. A. Jakubowski, E. B. Springs and M. Tishler, J. Chem. Soc., Perkin Trans. 1, 1974, 1627 DOI: 10.1039/P19740001627
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