Thermal Rearrangement of Acyl Groups in Anhydronucleosides. A Convenient Synthesis of 5′-O-Acetylanhydrouridine

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Abstract
The mass spectra of acylanhydronucleosides suggested that the acyl groups undergo a thermal rearrangement. This was confirmed by studying the melting profiles of these compounds in a differential scanning calorimeter. The results have led to a convenient synthesis of 5′-acetylanhydrouridine.