HCID 56985223, compound → HCID 57220130, compound

Participants

Reaction Steps

This compound was prepared in analogy to Example 1g) starting from t-butyl (1S,4R, 5R)-6-(3,4-dimethoxybenzyl)-7-oxo-4-[2-oxo-3-(2-trimethylsilanyl-ethoxy)-propyl]-2,6-diazabicyclo[3.2.0]heptane-2-carboxylate (25.7 g; 48 mmol). Yield: 12.7 g (69%) as a colourless solid. M.p. 89°-91° C. (ethyl acetate).

Provenance & Evidence