The Journal of Antibiotics
Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820
ISOLATION AND CHARACTERIZATION OF THE MAJOR EQUILIBRIUM PRODUCT OF FK-520
FRANCIS P. GAILLIOT, THERESA K. NATISHAN, JOHN M. BALLARD, ROBERT A. REAMER, DENNIS KUCZYNSKI, GREGORY J. MCMANEMIN, RICHARD S. EGAN, BARRY C. BUCKLAND
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1994 Volume 47 Issue 7 Pages 806-811

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Abstract

The existence of an isomeric form in equilibrium with the major component of FK-520 in polar solutions has been demonstrated. This minor component has been isolated in high yield and purity by a novel crystallization strategy and preparative HPLC. The equilibrium product was characterized by NMR and MS.

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© Japan Antibiotics Research Association
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The Journal of Antibiotics, Series A

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