Exam 25: Biomolecules: Carbohydrates

Exhibit 25-11 Consider the reaction below to answer the following question(s). -Refer to Exhibit 25-11.Compound Z is:

This cyclization is an example of an intramolecular nucleophilic addition of an alcohol with an aldehyde.This process is catalyzed by mild acid.On the structures provided below draw arrows indicating electron flow in this reaction mechanism.

Exhibit 25-10 Choose a structure from the list provided below that best fits each of the following descriptions.Place the letter of the structure in the blank to the left of the description.There is only one correct answer for each question. -_____ a β-1,4'-glycoside