HCID 86755029, compound → HCID 57309069, compound

Participants

Reaction Steps

The above identified compound was obtained by carrying out treatment in the same manner as in Example 25(2) except that instead of 2,2-bis{2-(trimethylsilyl)ethyl} (4S,5S)-4-[N-(benzyloxycarbonylmethyl)-N-{(1R,2R)-1-methyl-2-(4-phenoxyphenyl)-4-phenylbutyl}carbamoyl]-1,3-dioxolane-2,2,5-tricarboxylate, 5-tert-butyl 2-ethyl (2R*,4S,5S)-4-[N-(tert-butoxycarbonylmethyl)-N-{(1R,2R)-1-methyl-2-(4-phenoxyphenyl)-4-phenylbutyl}carbamoyl]-1,3-dioxolane-2,2,5-tricarboxylate obtained in Example 20, was used, and carrying out the same reaction as in Example 21.

Provenance & Evidence