HCID 66763075, compound → HCID 66762949, compound

Participants

Reaction Conditions

Reaction Steps

26 mg 1-((3R,9S)-9-(tert-butyldimethylsilyloxy)-7,7-dimethyl-3-(4-(trifluoromethyl)phenyl)-2′,3′,5′,6,6′,7,8,9-octahydro-3H-spiro[furo[3,4-c]quinoline-1,4′-pyran]-4-yl)ethanone are dissolved in 2 ml tetrahydrofurane cooled to −10° C. and treated with 110 μl of a 1.4 M solution of methylmagnesium bromide in toluene/tetrahydrofurane 75:25. The mixture is warmed to room temperature and stirred for 12 hours. The mixture is diluted with diethylether, washed with saturated aqueous ammonium chloride and dried with magnesium sulphate. The solvents are evaporated in vacuo and the residue is directly used in the next step.

Provenance & Evidence