反应详情

温度

-78 °C

(R)-8-Fluorochroman-4-amine (60 mg) was added to a solution of 2,4-dichloro-5-nitropyrimidine (70 mg) and DIEA (0.14 mL) in THF (5 mL) at −78° C. The reaction mixture was stirred for a further 15 min at −78° C. then removed from the cold bath and allowed to warm to RT. A one molar solution of the sodium salt of benzimidazole (0.7 ml, stock solution prepared via the addition of sodium hydride to a benzimidazole solution in THF) was added to the reaction intermediate ((R)-2-chloro-N-(8-fluorochroman-4-yl)-5-nitropyrimidin-4-amine) and the resulting mixture was stirred at RT overnight. Purification via column chromatography (elution with MeOH/DCM) gave the titled compound (120 mg), MH+=407.

1. customthen removed from the cold bath
2. temperatureto warm to RT
3. customA one molar solution of the sodium salt of benzimidazole (0.7 ml, stock solution prepared via the addition of sodium hydride to a benzimidazole solution in THF)
4. stirringthe resulting mixture was stirred at RT overnight
5. customPurification
6. washvia column chromatography (elution with MeOH/DCM)