2-Fluoropyridine-3-boronic acid → (S)-3-(3,3-difluoropyrrolidin-1-yl)-1-fluoro-7-(2-fluoropyridin-3-yl)-5'-H-spiro[chromeno[2,3-c]pyridine-5,4'-oxazol]-2'-amine

Participants

Reaction Steps

The title compound was synthesized by steps analogous to those described in method CC4 above, but using (S)-7-bromo-3-chloro-1-fluoro-5′H-spiro[chromeno[2,3-c]pyridine-5,4′-oxazol]-2′-amine (prepared by steps analogous to those described in Method BB33), 2-fluoropyridin-3-ylboronic acid and 3,3-difluoropyrrolidine hydrochloride.

Provenance & Evidence