Applicable also for other pseudosugars, the simple reaction sequence for the preparation of α‐D‐glucosidase inhibitors valiolamine (1) and its three diastereoisomers starts with 1,3,4,5‐tetrahydroxycyclohexanecarboxylic acid (quinic acid). Glycosidase inhibitors like 1 are used as chemotherapeutics, for example, against HIV. (Figure Presented.) Copyright © 1995 by VCH Verlagsgesellschaft mbH, Germany