Diethyl Ether → 2-Bromo-4-chlorobenzenediazonium tetrafluoroborate

関与物質

反応手順

A solution of 2-bromo-4-chloroaniline (10.0 g, 48.4 mmol) and HBF4 in EtOH (60 mL) kept at 0° C. was treated with an aqueous solution (20 mL) of NaNO2 (3.34g, 48.4 mmol). After completion of the addition, diethyl ether (200 mL) was added to the mixture. The solid was collected by filtration, washed with water and dried under high vacuum affording the title compound (14.2 g, 96%) as white crystals.

情報源と証拠