1. benzene/ toluene/ xylene/ Indene
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    naphtalene/ biphenyl/ anthracene/ phenatherene
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    substitution for benzene
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    • 1-benzoic acid
    • 2-benzaldehyde
    • 3- acetophenone
    • 4-hydroxy
    • 5-aniline
    • 6-toluene
  5. rules for aldehyde/ketone
    • The base name is determined by the longest continuous carbon chain that contains the carbonyl group. The suffix -al denotes an aldehyde; the suffix -one denotes a ketone. Numbering always begins at the chain end nearest the carbonyl.
    • 1.Alkyl, aryl, and halogen sidechains are names in alphabetical order with their proper locant numbers.
    • 2.The multipliers di-, tri-, etc. are added as necessary but do not affect alphabetical order. Only the prefix iso-, as in isopropyl, affects alphabetical order.
    • 3.When there are multiple carbonyl groups, multipliers, di-, tri-, etc., are used with appropriate locant numbers for each carbonly group.
    • 4.When the formyl group, -CHO, is attached directly to a ring, the ring name is followed by the suffix -carbaldehyde.
    • 5.When the formyl group, -CHO, is attached directly to a benzene ring, the compound is commonly names as a benzaldehyde but can also be named as a benzenecarbaldehyde. (This problem does not use the latter.)
    • 6.Unsaturated compounds are named as aldehydes or ketones. The multiple bond is signified by a suffix, -ene or -yne, with a locant number. ie3-methyl-2-pentenal \/\=/=O\
    • 7.The hydroxy and alkoxy groups of are named using prefixes (hydroxy for -OH and alkoxy for -OR) with locant numbers.
    • 8.Stereo prefixes, E and Z or cis and trans, are used to designate double bond configuration. In the second example only the E/Z designation is unambiguous.
    • 9. When the carbonyl group is part of a ring, the base name is derived from the corresponding cycloalkane and numbering starts at the carbonyl carbon.
Card Set
naming of benzene, thiol, ester, aldehyde, ketone