N-[4-[2-(2,4-dimethylphenoxy)phenyl]-1,3-thiazol-2-yl]-1,4,5,6-tetrahydropyrimidin-2-amine

Abafungin,York Pharma

Abafungin is a broad-spectrum antifungal agent.

ChEBI: A member of the class of guanidines that is tetrahydropyrimidin-2(1H)-imine in which the hydrogen of the imino group is replaced by a thiazol-2-yl group which in turn is substituted by a 2-(2,4-dimethylphenoxy)phenyl group at position 4 It has been used for the topical treatment of fungal nail infections.

15.8 g (0.12 mole) N-(1,4,5,6-tetrahydropyrimidinyl)thiourea were added to 27.45 g (0.1 mole) 2-(2,4-dimethylphenoxy)phenacyl chloride in 100 ml acetone and heated to reflux for 2 hours. On cooling the falling out product was filtered off, washed with acetone and dried. N-[4-[2-(2,4- Dimethylphenoxy)phenyl]-2-thiazolyl]-1,4,5,6-tetrahydro-2-pyrimidinamine hydrochloride was prepared. Yield 91.4%; MP: 160°C.
20.72 g (0.05 mole) above product was stirred with 300 ml 1 N sodium hydroxide for 30 minutes at room temperature. The insoluble product was filtered off, washed and dried. Yield of N-[4-[2-(2,4-dimethylphenoxy)phenyl]- 2-thiazolyl]-1,4,5,6-tetrahydro-2-pyrimidinamine was 16.2 g (86%). MP: 191°-192°C.

Antibacterial, Antifungal