Tautomerieverhältnisse bei Hydroxyacyl‐cyclopeptiden. 2. Mitteilung über chemische Struktur und UV.‐Spektroskopie

The present paper shows that it is possible to elucidate the tautomerism in the case of hydroxyacyl-cyclopeptides (open forms-cyclols-large rings) with the aid of absorption measurements in the far ultra-violet spectral range.