Question

Some bacteria produce thiosugars, which contain a C—S covalent bond, such as 2-deoxy-2-thio-β-D-glucose. Draw the structure of this sugar.

Short answer

The structure of the sugar is:

Step-by-step solution

Thiosugars

Thiosugars are sugar molecules that exhibit oxygen atom being replaced by a sulfur in a carbohydrate ring. These molecules generally acts as inhibitors of glycosidases.

Structure of thiosugar

The structure of the thiosugar, 2-deoxy-2-thio-β-D-glucose is as follows:

The structure contains a thio group at the 2-position, where the oxygen has been replaced by a sulfur.