Hydrogen Bromide → HCID 44596873, compound

Participants

Reaction Conditions

Reaction Steps

Compound 2.5 (4.8 mmol) was added to trifluoroacetic acid (5 mL). HBr (33% in acetic acid, 0.9 mL, 4.8 mmol) was added dropwise to the reaction mixture under nitrogen atmosphere. Upon the addition of the acid, formaldehyde (8.64 mmol, 260 mg, 0.7 mL) was added dropwise and the mixture stirred at 70-80° C. for 17 h. The reaction mixture was cooled, dried and concentrated. APCI MS 378 (M+1). The product was used in the next step.

Provenance & Evidence