путём реакции

This compound is obtained by the reaction of acetic acid and bases.

The best method for the preparation of chlorine monoxide is by the reaction of chlorine with mercuric oxide.

Boron trifluoride is most readily obtained from the reaction of boric acid, hydrogen fluoride, and sulphuric acid.

Источник: Русско-английский научно-технический словарь на Gufo.me