反应详情

Obtained from Intermediate 21 (0.167 g, 1.42 mmol) in hydrogen chloride 1.25M in methanol by the same procedure described in Intermediate 17. The solvent was removed to give the title compound as a white solid salt (0.127 g, 98%), which was used in the next step without further purification. MS (M+): 300.

1. customThe solvent was removed