Cyclononitols: a flexible synthetic approach towards nine-membered carbasugar analogues

A novel, concise, stereocontrolled approach to nine-membered carbasugar analogues (cyclononitols) from a bicyclo[4.3.1]deca-2,4-dien-10-one scaffold, harbouring a ‘locked’ cyclononane ring and latent functionalities, is described.

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