Chapter 17: Carboxylic Acids
Table of Contents:
The functional group for carboxylic acid is COOH, also written as CO2H.
Find the longest continuous carbon chain containing COOH group and number starting from the carbon that contains the functional group.
End the name in "oic acid".
Carboxylic acids are polar, and have much higher boiling point than alcohols and aldehydes of similar mass. They are capable of hydrogen bonding and are very soluble in water
Electron withdrawing groups (EWG) such as halogens make carboxylic acids more acidic.
The more EWG are on the carboxylic acid molecule and the closer they are to the COOH group, the more acidic it is.
Preparation of Carboxylic Acids
Grignard reagent with CO2 produces a carboxylic acid.
Product: Get rid of MgX and attach the carbon that had MgX to COOH.
Note: You get one EXTRA carbon going from the reactant to the product
Reactions of Carboxylic Acids
Reduction of Carboxylic Acid using lithium aluminum hydride
Product: Turn COOH into CH2OH