“…In the same year Baxter, Ramage, and Timson (16,25) also achieved a total synthesis of khellin by first preparing 2,6-dibenzyloxy-l,4-dimethoxybenzene (II) from pyrogallol (I), essentially by the method of Baker, Nodzu, and Robinson (13). 2,4-Dihydroxy-3,6-dimethoxybenzaldehyde (III) was obtained by subjecting II to a modified Gatterman reaction, using zinc cyanide.…”