Add time:07/20/2019         Source:sciencedirect.com

Synthesis of ring-expanded analogs of the natural compound, oxetanocin is described. The starting material for the synthesis of the series, 4–7, was d-glucosamine and introduction of the base moiety was done through the stereochemically appropriate epoxide. For the enantiomeric series, 8–11, the starting material was d-glucose and preparation of the key intermediate involved a rearrangement reaction. The structures of the target molecules were established by NMR, HRMS, optical rotation and UV data. Single-crystal X-ray data confirmed the enantiomeric structural assignments.

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