Water → HCID 86736012, compound

Participants

Reaction Steps

To a solution of 17.5g of 9-fluoro-11β-hydroxy-21-methanesulfonyloxypregna-1,4,16-triene-3,20-dione in dry dimethylformamide (250 ml) is added lithium chloride (30g). The mixture is heated, with stirring, from 30° to 100° C. over a 30-minute period. It is cooled and poured into cold water (1.51) and the precipitated solid is isolated and crystallized from methanol to afford 12g of the title compound, melting point 258°-260° C.(dec.).

Provenance & Evidence