HCID 45257321, compound → HCID 178501345, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of (R)-2-amino-7-(2-bromo-4-fluorophenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidine-5(6H)-thione (150 mg, 0.4 mmol), (2S,4R)-1-tert-butyl 2-methyl 4-(aminooxy)pyrrolidine-1,2-dicarboxylate (416 mg, 1.6 mmol), Hg(OAc)2 (256 mg, 0.8 mmol) and toluene (2 mL) was heated at 100° C. for 2 h. Cooled to rt, filtered through celite and purified to afford (2S,4R)-1-tert-butyl 2-methyl 4-((Z)—((R)-2-amino-7-(2-bromo-4-fluorophenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)pyrrolidine-1,2-dicarboxylate (172 mg, 570%) as off white solid. MS (ES) [M+H] calculated for C25H31BrFN6O5, 593.14. found 593.10.

Provenance & Evidence