amino sugars

Monosaccharides having one alcoholic hydroxy group (commonly but not necessarily in position 2) replaced by an amino group; systematically known as x-amino-x-deoxymonosaccharides. (Glycosylamines are excluded.)
E.g. d-glucosamine or 2-amino-2-deoxy-d-glucopyranose.
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1317