Formaldehyde → HCID 76903421, compound

Participants

Reaction Steps

To (R)-3-(2-borono-2-(4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamido)ethyl)-2-hydroxybenzoic acid (10.0 mg from Example 4) in MeOH (5 mL) was added formaldehyde (1.0 mL, 37% solution), followed by 10% Pd/C (20 mg). The reaction mixture was hydrogenated under H2 balloon for 3 hr. The reaction mixture was filtrated and the solvent was removed under vacuum. The final product was purified by reverse phase preparative HPLC and dried using lyophilization. ESI-MS m/z 387 (MH)+.

Provenance & Evidence