Toluene → HCID 12831982, compound

Participants

Reaction Steps

According to the process of preparation I, from the amalgam of zinc prepared form 915 g (14 gram-atoms) of zinc, 91 g (3.8×10-1M) of mercurous chloride in 46 cm3 of concentrated hydrochloric acid and 1350 cm3 of water, after addition of 700 cm3 of water, 1100 cm3 of concentrated hydrochloric acid, 2500 cm3 of toluene and 450 g (1.8M) of 6-bromo-8-methoxy-4-chromanon (III1), 200 g (yield=47%) of the expected product are obtained.

Provenance & Evidence