IUPAC Names Find the longest continuous carbon chain Number the carbons, starting closest to the first branch Name the groups attached to the chain using the carbon number as the locator Alphabetize substituents Use di-, tri-, etc for multiples of same substituent Chapter 3Chapter 3 5 IUPAC Names • Find the longest continuous carbon chain. • Number the carbons, starting closest to the first branch. • Name the groups attached to the chain, using the carbon number as the locator. • Alphabetize substituents. • Use di-, tri-, etc., for multiples of same substituent. =>