2-tert-Butyl-4-chloro-5-phenylisothiazol-3(2H)-one 1,1-dioxide → HCID 86645163, compound

Participants

Reaction Conditions

Reaction Steps

2-tert-Butyl-4-chloro-5-phenylisothiazol-3(2H)-one 1,1-dioxide (0.175 g, 0.58 mmol), 1-(6-chloropyridin-3-yl)piperidin-4-amine dihydrochloride (0.196 g, 0.69 mmol) and TEA (0.23 g, 2.31 mmol) was dissolved in dry DMF (3 ml) and heated in a microwave reactor at 130° C. for 30 mins. The reaction mixture was purified with preparative HPLC giving the title compound (0.022 g, 8%). 1H NMR (500 MHz, CDCl3): δ 7.92-7.87 (m, 1H), 7.55-7.48 (m, 2H), 7.48-7.41 (m, 3H), 7.13-7.03 (m, 2H), 5.24-5.18 (m, 1H), 3.45-3.35 (m, 2H), 3.13-3.01 (m, 1H), 2.39-2.29 (m, 2H), 1.82-1.71 (m, 2H), 1.73 (s, 9H), 1.52-1.40 (m, 2H); 13C NMR (125 MHz, CDCl3): δ 159.8, 145.8, 141.7, 138.0, 134.1, 131.8, 130.2, 129.0, 126.6, 125.3, 124.1, 107.5, 61.9, 49.8, 47.8, 32.0, 27.8; Mass Spectrum: M−H+ 475.

Provenance & Evidence