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

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Reaction Steps

The titled compound was synthesized by steps analogous to those described in method AA11 above, but using (S)-7-bromo-3-chloro-1-fluoro-5′H-spiro[chromeno[2,3-c]pyridine-5,4′-thiazol]-2′-amine (prepared as described in Method BB26 but using 7-bromo-3-chloro-1-fluoro-5H-chromeno[2,3-c]pyridin-5-one), 2-fluoropyridin-3-ylboronic acid and 3,6-dihydro-2H-pyran-4-ylboronic acid MS m/z=467.0 [M+H]+. Calculated for C24H20F2N4O2S: 466.50.

Provenance & Evidence