The reaction shown in the question is a Wurtz-Fittig reaction. This reaction involves the reaction of an alkyl halide (R-X) with sodium in dry ether, leading to the formation of an alkane (X) or an alkylated product (Y). It is a combination of the Wurtz reaction (for alkyl halide formation) and the Fittig reaction (for aryl halide formation).
The Wurtz-Fittig reaction is a combination of both reactions and is used to form aryl and alkyl products.