Recitationworksheet6

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: he carbonyl group is protonated by acid. Step 2) Nucleophilic attack by methanol and proton‐transfer forms the hemi‐acetal. RECITATION WORKSHEET 6 Step 3) The hydroxyl group of the acetal is protonated. Step 4) A water molecule is eliminated. Step 5) Nucleophilic attack by methanol and proton‐transfer forms the product, an acetal. 4. Draw Haworth and chair conformations for α‐D‐galactopyranose and β‐D‐galactopyranose. Label the anomeric carbon in each isomer. D‐galactose CH2 OH OH OH O OH OH B‐D‐galactose HOH2 C OH HO OH OH B‐D‐galactose O...
View Full Document

This homework help was uploaded on 03/25/2014 for the course CHM 256 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

Ask a homework question - tutors are online