p-Toluenesulfonic acid → HCID 86585316, compound

Participants

Reaction Steps

100 μl of hydrazine hydrate and 3 mg of paratoluenesulphonic acid are added to 300 mg of the product obtained in Example 73 in 3 cm3 of methanol. Agitation is carried out for 16 hours at ambient temperature, 50 cm3 of an aqueous solution of sodium bicarbonate is added, extraction is carried out with methylene chloride, the solvent is evaporated off, the residue is chromatographed on silica (eluant: ethyl acetate) and 190 mg of expected product is obtained.

Provenance & Evidence