反应详情

A mixture of 3-(4-(Allyloxy)phenyl)-3-(ethoxyimino)propanoic acid from Step C (850 mg), tert-butyl amino(methylthio)methylenecarbamate (675 mg), Py.Bop (2.01 g), and triethylamine (0.68 mL) in dichloromethane (1.8 mL) was stirred at room temperature for 12 h. The crude reaction mixture was purified directly by Boitage flash chromatography eluting with 15-30% ethyl acetate/85-70% hexanes to give the title compound as a white solid (1.14 g). HPLC retention time: 2.37 min (method A). MS (ESI) (M+Na)+ 436.25.

1. customThe crude reaction mixture
2. customwas purified directly by Boitage flash chromatography
3. washeluting with 15-30% ethyl acetate/85-70% hexanes