Phenyl 3-isopropylisoxazol-5-ylcarbamate → phenyl 3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-ylcarbamate

Participants

Reaction Steps

Prepared from 3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-amine (170 mg, 1.01 mmol) according to the method described for phenyl 3-isopropylisoxazol-5-ylcarbamate in Example 122A Step 3, to afford phenyl 3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-ylcarbamate as a colorless solid (164 mg, 56%). 1H NMR (300 MHz, CDCl3) δ 7.93 (brs, 1H), 7.39-7.45 (m, 2H), 7.18-7.32 (m, 3H), 6.09 (s, 1H), 4.02-4.08 (m, 2H), 3.48-3.57 (m, 2H), 2.96 (m, 1H), 1.78-1.89 (m, 4H); LC-MS (ESI) m/z 289 (M+H)+.

Provenance & Evidence