反应详情

Intermediate 1 from step 1.1 was dissolved in 10 ml DCM and (3S)-methyl morpholine hydrochloride (276 mg, 2 mmol) was added followed by DIPEA (1.4 ml, 8 mmol) and HATU (761 mg, 2 mmol). After 1 h stirring at RT the reaction mixture was evaporated to dryness and the product was isolated by preparative HPLC.

1. customwas evaporated to dryness
2. customthe product was isolated by preparative HPLC