Aromatic Compounds

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Aromatic Compounds


Lecture number:
13
Pages:
5
Type:
Lecture Note
School:
North Carolina State University
Course:
Ch 220 - Introductory Organic Chemistry
Edition:
1

Unformatted text preview:

CH 220 1st Edition Lecture 13 Outline of Current Lecture I. Aromatic Compounds II. Halogenation of benzene III. Common names IV. Disubstituted benzenes V. Benzene’s Unusual Structure VI. Electrophilic Aromatic Substitutions Current Lecture I. Aromatic Compounds a. Unsaturated compounds that undergo susbstitution rather than addition b. Have a benzene ring c. Distinguished from aliphatic (hydrocarbons) d. Common part of many structures e. Important in pharmaceuticals – good delivery agent – stays flat, no change in configuration II. Halogenation of benzene The Br or Cl gets substituted for an H Needs an iron compound catalyst – FeBr3 for Br2 reactions, FeCl3 for Cl2 reactions Without the catalyst, nothing happens The halogen can substitute any hydrogen on the ring This is substitution and not addition III. Naming aromatic compounds a. Monosubstituents – put name of substituent in front of Benzene These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. CH 220 1st Edition Lecture 11 Bromobenzene Nitrobenzene Propylbenzene b. Common names (make sure these are on the worksheet – can use in exam) c. These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.



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