1,8-Diazabicyclo(5.4.0)undec-7-ene → HCID 178429879, compound

Participants

Reaction Steps

DBU (0.030 mL, 0.21 mmol) was added to a solution or 3-{5-[4-(4-bromo-2-fluorophenylamino)-1,5-dimethyl-6-oxo-1,6-dihydro-pyridin-3-yl]-tetrazol-1-yl}-propionitrile (30 mg, 0.069 mmol) in methylene chloride (1.5 mL). After 2 hours, the reaction mixture was diluted with ethyl acetate and washed with 1 N HCl. The aqueous layer was extracted with ethyl acetate. The combined organic extracts were washed with brine, dried (MgSO4) and concentrated under reduced pressure. Trituration with diethyl ether gave clean desired product (20 mg, 77%); MS APCI (−) m/z 377, 379 (M−, Br pattern) detected: 1H NMR (400 MHz, CD3OD) δ 8.20 (s, 1H) 7.29 (dd, 1H), 7.13 (dd, 1H), 6.63 (t, 1H), 3.65 (s, 3H), 1.91 (s, 3H).

Provenance & Evidence