Morpholine → HCID 178452589, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of tert-butyl(1-(4-(6-(bis(methylthio)methylene)-5-oxo-3-phenyl-5,6,7,8-tetrahydroquinolin-2-yl)phenyl)cyclobutyl)carbamate (100 mg, 0.18 mmol) in ethanol (873 μl) was added morpholine (76 μl, 0.87 mmol) and the mixture heated to 80° C. under a nitrogen atmosphere for 2 hours. Hydrazine monohydrate (12.7 μl, 0.26 mmol) was added and the mixture heated to 80° C. for 1 hour. Further hydrazine monohydrate (72 μl, 1.48 mmol) was added and the mixture heated to 80° C. for 18 hours. The reaction mixture was concentrated to dryness under reduced pressure and purified via Biotage chromatography (silica, cyclohexane:ethyl acetate, gradient elution from 92:2 to 100:0) to give a white solid (30 mg, 30% yield). 1H-NMR (500 MHz, CDCl3) δ 7.67 (1H, s), 7.31 (2H, d), 7.23-7.28 (2H, m), 7.18-7.24 (3H, m), 7.07-7.14 (2H, m), 4.95-5.44 (1H, br m), 3.82 (4H, t), 3.24 (2H, t), 3.21 (4H, t), 2.91 (2H, t), 2.19-2.64 (4H, br m), 1.97-2.09 (1H, m), 1.73-1.84 (1H, m), 1.10-1.46 (9H, br m). LCMS (Method A) RT=6.18 min, M+H+=578.24.

Provenance & Evidence