Sodium Sulfate → HCID 18990363, compound

Participants

Reaction Steps

A solution containing 42.0 g of the product obtained in Example 40 in 100 ml of acetic acid and 150 ml of 48% hydrobromic acid was reflexed for 10 h. 1 l of saturated Na2SO4 -solution was added to the reaction mixture and extracted with ether. The solvent was evaporated in vacuo and the residue crystallized from ethyl acetate-petroleum ether. Yield 7.9 g (19%), m.p. 111°-114° C.

Provenance & Evidence