Ammonia → HCID 11672123, compound

Participants

Reaction Steps

Allyl ((2R,3S)-3-((1R)-1-{[(allyloxy)carbonyl]oxy}ethyl)-2-{2-[3-(aminocarbonyl)phenyl]-2-oxoethyl}-4-oxo-1-azetidinyl)(triphenylphosphoranylidene)acetate (324 mg) was obtained from a half amount of 3-({(2R,3S)-3-((1R)-1-{[(allyloxy)carbonyl]oxy}ethyl)-1-[2-(allyloxy)-2-oxo-1-(triphenylphosphoranylidene)ethyl]-4-oxo-2-azetidinyl}acetyl)benzoic acid obtained in Step e) and a 28% aqueous ammonia solution in a similar manner to Reference Example 2-c).

Provenance & Evidence