propose syntheses of acetals a and b from carbonyl compounds and alcohols. draw the structures of the carbonyl compounds and the alcohols, and select the appropriate reaction conditions. carbonyl compound a and alcohol a react under reaction condition a to form acetal a, which consists of a 6 membered ring. atoms 1 and 3 are oxygen atoms and the remaining are carbons. the carbon in position 5 is fused to a 6 carbon ring through the carbon.
