HCID 21138123, compound → HCID 86585312, compound

Participants

Reaction Steps

150 mg of potassium thioacetate is added to a solution of 470 mg of the product obtained in Stage D in 6 cm3 of ethanol and agitation is carried out for 1 hour 50 minutes at 50° C. The ethanol is distilled off, the residue is taken up in ethyl acetate, washed with water, dried and evaporated to dryness under reduced pressure. 400 mg of residue is obtained which is chromatographed on silica (eluant ethyl acetate-essence G 6/4 then 8/2). 265 mg of desired product is collected (M.p. #90° C.).

Provenance & Evidence