Electrophilic 8ublititutioD reactions In ethers,-OR is ortho, para directing group and activate. the aromatic ring towards electrophilic substitution reaction.
Ethyl phenyl ester C6H5OC2H5 is also, known as phenetole.
Uses of Ethers
1. Dimethyl ether is used as refrigerant and as a solvent at low temperature.
2. Diethyl Ether is used as an anaesthesia in surgery.