HCID 22821678, compound → HCID 53981599, compound

Participants

Reaction Steps

Using N-(4-fluorobenzylidene)-1(S)-t-butoxycarbonyl-3-methylbutylamine (10.09 g., 34.4 mmol) as a starting material, the reaction, separation and purification were carried out under the same conditions as in Referential example 7 to give a mixture of 1-(1(S)-t-butoxycarbonyl-3-methylbutyl)-3(S)-azido-4(R)-(4-fluorophenyl)azetidin-2-one and 1-(1(S)-t-butoxycarbonyl-3-methylbutyl)-3(R)-azido-4(S)-(4-fluorophenyl)azetidin-2-one (12.51 g., yield: 96.6%).

Provenance & Evidence