Acyl Groups
Acyl groups
- Acyl groups can be built into many molecules using acyl chlorides or acid anhydrides (known as acylating agents)
- Acyl chlorides are derivatives of carboxylic acids by substitution of the -OH group by a chlorine atom
- Acyl chlorides are named by identifying the parent hydrocarbon chain and adding the suffix -oyl chloride
- They can also be named by removing the -oic acid from the carboxylic acid and adding -oyl chloride
- Acid anhydrides are also derivatives of carboxylic acids formed by substitution of the -OH group by an alkanoate
- Acid anhydrides are named by identifying the parent hydrocarbon chain and adding the suffix -oic anhydride
- They can also be named by removing the -oic acid from the carboxylic acid and adding -oic anyhydride
Ethanoic acid derivatives
Worked example
Draw the displayed formula for the following:a) butanoyl chlorideb) butanoic anhydride
Answer: