Benzyl ((2R,3S)-2-((5-methyl-2H-tetrazol-2-yl)methyl)-4-oxoazetidin-3-yl)carbamate → (3S,4R)-3-amino-4-((5-methyl-2H-tetrazol-2-yl)methyl)azetidin-2-one

Participants

Reaction Steps

Prepared in an analogous manner to example 4, step 3 using benzyl ((2R,3S)-2-((5-methyl-2H-tetrazol-2-yl)methyl)-4-oxoazetidin-3-yl)carbamate (111 mg, 0.351 mmol) and Pd on C (10%, 50 mg) in EtOAc:MeOH (5:1, 7.0 mL) for 3 h. The crude residue was used as such in following step. LCMS: Rt=0.14 min, m/z=183.2 (M+1) Method 2m_acidic.

Provenance & Evidence