Suggest a method (i.e. a sequence of steps) that you would take in order to achieve step 1 of the synthesis of diazepam. You must:

1. start with bromobenzene and,
2. add any other reagents you feel necessary in order to make the ketone product.

Stel 'n metode voor (dit wil sê 'n reeks stappe) wat jy sal neem om stap 1 van die sintese van diazepam te bereik. Jy moet:

1. met brombenzeen begin en,
2. enige ander reagense byvoeg wat jy nodig het om die ketoonproduk te maak.