Sodium borohydride → HCID 90402777, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 7-(4-chlorobenzyl)-1-(3-hydroxypropyl)-3-methyl-8-(3-(trifluoromethoxy)benzoyl)-1H-purine-2,6(3H,7H)-dione (50 mg, 0.081 mmol, example 91) in methanol (3 mL) was added sodium borohydride (10 mg, 0.263 mmol) at 0° C. under nitrogen. The reaction was stirred at 0° C. for 2 h. The reaction was quenched and partitioned with ethyl acetate and water. The organic phase was washed with brine, dried over sodium sulfate, filtered and concentrated to give a crude product, which was purified by preparative HPLC to give 7-(4-chlorobenzyl)-8-(hydroxy(3-(trifluoromethoxy)phenyl)methyl)-1-(3-hydroxypropyl)-3-methyl-1H-purine-2,6(3H,7H)-dione (10 mg, 22.9%) as white solid. 1H-NMR (CDCl3) δ 7.36-7.31(t, 1H), 7.23-7.14(m, 5H), 6.94-6.92(d, 2H), 5.87-5.85(d, 1H), 5.60-5.56(d, 1H), 5.39-5.35(d, 1H), 4.20-4.17(t, 2H), 3.65-3.63(s, 4H), 3.54-3.51(m, 2H), 3.31(s, 1H), 1.91-1.88(t, 2H). LCMS retention time 2.605 min; LCMS MH+ 539.

Provenance & Evidence