
PIHKALAnthologyShulgin | page 797 | https://thedailydialectics.com/pdfs/education/chemistry/phenylethylenes/PIHKALAnthologyShulgin/PIHKALAnthologyShulgin.pdf
under vacuum to yield a brown viscous oil as a residue. This was distilled at 105-120 !C at 0.2 mm/Hg to yield 8.8 g of 3,4-dimethoxy-5-hydroxybenzaldehyde as a distillate that set to white crystals. Recrystallization from toluene/hexane gave a sample with the mp 64-65 !C. The literature mps are…