反应详情

Intermediate 25B was synthesized in the same manner as described above for compound 22A in Example 22 except that Intermediate 25A was used in place of 3B and L-tert-Leucine methylamide was used instead of (S)-methyl 2-amino-3,3-dimethylbutanoate. LCMS (+ESI) m/z 498.3 [M+H]+