Trifluoroacetic acid → HCID 118863088, compound

Participants

Reaction Steps

To a solution of 5-((4-chlorophenyl)(hydroxy)methyl)-1-methyl-3-(3-((tetrahydro-2H-pyran-2-yl)oxy)propyl)-6-(3-(trifluoromethoxy)phenoxy)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (See Compound 21, Step 2, 30 mg, 0.047 mmol) in TFA (2 mL) was added triethylsilane (1 mL). The reaction was stirred at RT for 3 h then diluted with DCM (5 mL) and water (5 mL). The organic layer was dried over Na2SO4 and concentrated to give 3-(5-(4-chlorobenzyl)-1-methyl-2,4-dioxo-6-(3-(trifluoromethoxy)phenoxy)-1,2-dihydrothieno[2,3-d]pyrimidin-3(4H)-yl)propyl2,2,2-trifluoroacetate (25 mg, 83.9% yield) as an oil. LCMS: MH+ 637 and TR=2.274 min.

Provenance & Evidence