反应详情

A mixture of (tetrahydrothiophen-2-yl)methylammonium trifluoroacetate 223 (60 mg, 0.25 mmol) and 4-bromo-5,6-diphenylfuro[2,3-d]pyrimidine 69 (46 mg, 0.15 mmol) was stirred in n-butanol (2 mL) and DIPEA (0.25 mL) was added. The mixture was heated at reflux for 1 hour, cooled and the solvent was evaporated. The residue was purified by flash column chromatography to afford 230 (44 mg, 73%) as a yellow oil. 1H NMR (CDCl3): 8.32 (1H, s); 7.56-7.40 (7H, m); 7.23-7.15 (3H, m); 5.00 (1H, br t, J=4 Hz); 3.69-3.60 (1H, m); 3.55-3.35 (2H, m); 2.75-2.60 (2H, m); 1.95-1.75 (3H, m) and 1.60-1.48 (1H, m).

1. temperatureThe mixture was heated
2. temperatureat reflux for 1 hour
3. temperaturecooled
4. customthe solvent was evaporated
5. customThe residue was purified by flash column chromatography