The Importance of carboxylic acids (RCO,H) Starting materials for acyl derivatives(esters, amides, and acid chlorides Abundant in nature from oxidation of aldehydes and alcohols in metabolismThe Importance of Carboxylic Acids (RCO2H) • Starting materials for acyl derivatives (esters, amides, and acid chlorides) • Abundant in nature from oxidation of aldehydes and alcohols in metabolism