反应详情

Procedure analogous to 4) S18 using 22.9 g (100 mmol) of 3-bromo-4-amino-6-tert-butylpyridine (S40) instead of 29.5 g (100 mmol) of 2-(2-bromo-4-fluorophenyl)-D4-benzimidazole (S9). The crude product is converted into the dihydrochloride by dissolution in 100 ml of ethanol and introduction of gaseous hydrochloric acid. The crystals obtained in this way are filtered off with suction and dried in vacuo. Yield: 13.3 g (56 mmol), 56%. Purity: >95% according to 1H-NMR.

1. customThe crystals obtained in this way
2. filtrationare filtered off with suction
3. customdried in vacuo