tert-butyl N-[2-bromo-4-[[5-[2-(tert-butoxycarbonylamino)-8-oxabicyclo[3.2.1]octan-5-yl]-1-methyl-pyrazol-4-yl]carbamoyl]thiazol-5-yl]carbamate → tert-butyl N-[2-bromo-4-[[5-[(2S,5R,6S)-5-(tert-butoxycarbonylamino)-6-fluoro-oxepan-2-yl]-1-methyl-pyrazol-4-yl]carbamoyl]thiazol-5-yl]carbamate

Participants

Reaction Steps

Following the procedure for Intermediate 65, starting from tert-butyl ((3S,4R,7S)-3-fluoro-7-(1-methyl-4-nitro-1H-pyrazol-5-yl)oxepan-4-yl)carbamate (Intermediate 80) gave tert-butyl N-[2-bromo-4-[[5-[(2S,5R,6S)-5-(tert-butoxycarbonylamino)-6-fluoro-oxepan-2-yl]-1-methyl-pyrazol-4-yl]carbamoyl]thiazol-5-yl]carbamate.

Provenance & Evidence