反应详情

A solution of 2-{N-(tert-butyloxycarbonyl)aminomethyl}-3′-hydroxybiphenyl from Step G (0.732 g, 2.45 mmol) in EtOAc (30 mL) at 0° C. was saturated with HCl gas. The mixture was aged at 0° C. for 5 min, then concentrated to dryness in vacuo to provide the titled compound as a white solid.

1. customat 0° C.
2. concentrationconcentrated to dryness in vacuo