PIHKALAnthologyShulgin_page_433

PIHKALAnthologyShulgin | page 433 | https://thedailydialectics.com/pdfs/education/chemistry/phenylethylenes/PIHKALAnthologyShulgin/PIHKALAnthologyShulgin.pdf

The aqueous extracts were washed with CH2C12, reacidified with HCl, and reextracted with 2x75 mL CH2C12. These extracts were pooled, and the solvent removed under vacuum to yield a brown residue. This was distilled at 107-127 !C at 0.4 mn/Hg to yield 8.3 g of 3,4-diethoxy-5-hydroxybenzaldehyde as…