C(8) Epimeric 8‐Hydroxy‐erythromycins‐A
- 12 December 1973
- journal article
- research article
- Published by Wiley in Helvetica Chimica Acta
- Vol. 56 (8) , 2711-2719
- https://doi.org/10.1002/hlca.19730560806
Abstract
Die sorgfältig kontrollierten Persäure‐Oxydationen von 8,9‐Anhydro‐erythromycin‐A‐6,9‐hemiacetal‐N‐oxid und 8,9‐Anhydro‐erythromycin‐A‐6,9‐hemiacetal liefern nach der katalytischen Reduktion der N‐Oxidgruppe direkt und stereoselektiv das (8S)‐8‐Hydroxy‐erythromycin‐A nebst einer geringen Menge des 8‐epi‐(8 R)‐8‐Hydroxy‐erythromycins‐A. Die Resultate der Persäure‐Oxydationen der 8,9‐Anhydro‐erythromycin‐A‐ und B‐hemiacetale werden verglichen.Keywords
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