Chapter 12: CARBOXYLIC ACIDS

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IUPAC names: hydrocarbon + “oic acid”. Some natural occurring acids & derivatives. From Grignard reagents. From nitriles: Have 1 more carbon as compared to the halide.

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Nội dung Text: Chapter 12: CARBOXYLIC ACIDS

ORGANIC CHEMISTRY Dr Nam T. S. Phan Faculty of Chemical Engineering HCMC University of Technology Office: room 211, B2 Building Phone: 8647256 ext. 5681 Email: ptsnam@hcmut.edu.vn 1
Chapter 12: CARBOXYLIC ACIDS C=O C=C 2 SP carbon Y=OH 2
NOMENCLATURE OF CARBOXYLIC ACIDS IUPAC names: hydrocarbon + “oic acid” 3
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Some natural occurring acids & derivatives 6
PREPARATIONS OF CARBOXYLIC ACIDS From Grignard reagents 7
From nitriles Have 1 more carbon as compared to the halide 8
From primary alcohols Can NOT be isolated PCC: pyridinium chlorochromate 9
From aldehydes Aldehydes are generally easier to oxidize than primary alcohols 10
From alkylbenzenes 11
REACTIONS OF CARBOXYLIC ACIDS Esterification reactions 12
IUPAC names: alkyl + carboxylate 13
Intramolecular ester formation: Lactones 14
IUPAC names: 2-oxacycloalkanone 15
Reactions of esters Ester hydrolysis 16
Transesterification reactions 17
Acyl chloride formation 18
IUPAC names: replace “ic acid” with “yl halide” / “carboxylic acid” with “carbonyl halide” 19
Reactions of acyl chlorides 20