Ethyl orthoformate → HCID 69666208, compound

Participants

Reaction Conditions

Reaction Steps

(2R)-2-[(3-Aminoquinolin-4-yl)amino]butan-1-ol (416.0 g, 1 eq.) and triethylorthoformate (1.2 L, 4 eq.) were combined and slowly heated to 145° C. Ethanol was distilled off as it formed during the reaction. After 500 mL of ethanol had been distilled off, the reaction mixture was allowed to cool to 50° C. under a nitrogen atmosphere. Excess triethyLorthoformate was removed under reduced pressure to provide crude (2R)-2-(1H-imidazo[4,5-c]quinolin-1-yl)butan-1-ol.

Provenance & Evidence