Tetrahydrofuran → HCID 86695076, compound

Participants

Reaction Conditions

Reaction Steps

To a stirred yellow solution of methyl 2-(2-([1,1′-biphenyl]-3-yl)-7-(4,4-dimethylpiperidin-1-yl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-2-oxoacetate (61 mg, 0.126 mmol) in anhydrous Toluene (6 mL) was added 1.1M (R)-1-methyl-3,3-diphenylhexahydropyrrolo[1,2-c][1,3,2]oxazaborole/toluene (0.046 mL, 0.050 mmol). The mixture was cooled to −35° C. and a solution of 1M catechoborane/THF (0.177 mL, 0.177 mmol) was added over 10 min. After 30 min, the reaction mixture was slowly warmed to −15° C. and stirred for additional 2 h. and diluted with EtOAc (100 mL) and sat. Na2CO3 (50 mL). The mixture was stirred vigorously for 30 min, and the organic phase washed with sat Na2CO3 (2×50 mL), dried (Na2SO4), filtered, concentrated and the residue was purified by Biotage (5-70% EtOAc/hexane) to afford desired (S)-methyl 2-(2-([1,1′-biphenyl]-3-yl)-7-(4,4-dimethylpiperidin-1-yl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)-2-hydroxyacetate (59 mg, 0.115 mmol, 92% yield).

Provenance & Evidence