The reaction of hydroxylamine $ NH_2OH $ with aldoses provides an aldoxime:
The reaction of hydroxylamine $ NH_2OH $ with ketoses provides a ketoxime:
The dehydration of aldoxime leads to the corresponding cyanohydrin:
Cyanohydrin, by returning the → addition reaction of $ HCN $ may be transformed into the corresponding aldose truncated of one $ C $ atom :
Which substance is obtained by exercing twice the previous degradations on D-glucose?
Answer (Review → this page ) : D-glucose → .......... → ..........