(4) Mauthner, J. prokf. Cham.. 149, 828 (1937). 83% yield by adapting to the synthesis the procedure for the Hofrnann rearrangement worked out by Buck and Ide. s Bigelow's procedure for the Sandmeyer replacement'was then modifmd for the preparation of 2, 3- dimethoxybromobenzene; this resulted in a considerably improved yield. To a cuprous bromide solution prepared in 276 ml. of water was added a solution of 2, 3- ...
