HCID 10783725, compound → HCID 21893558, compound

Participants

Reaction Steps

To a solution of 0.2 g (0.4 mmol) of material from Example 45 in 3 mL of tetrahydrofuran at ambient temperature was added 0.3 mL (0.9 mmol) of a 3.0M solution of methylmagnesium bromide in ethyl ether. The mixture was stirred for 16 hours, diluted with 5 mL of water and extracted four times with 5 mL each of ethyl acetate. The combined organics were dried (MgSO4), filtered and concentrated in vacuo. Chromatography (10 g silica gel, 45% ethyl acetate/hexane) of the residue afforded 0.1 g (74%) of the title compound.

Provenance & Evidence