Sodium Acetate → HCID 13823143, compound

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Reaction Steps

Seven grams of the 4-(1,2,5,6-tetrahydro-1-pentyl-3-pyridinyl)-2-thiazolamine obtained in Example 6 was dissolved in 100 ml of acetic anhydride with 10 g of anhydrous sodium acetate. The solution was heated at reflux under a nitrogen atmosphere for three hours. The solvent was removed on a rotary evaporator and the residue was partitioned between 150 ml dichloromethane and 150 ml 10% sodium bicarbonate solution. The organic layer was concentrated in vacuo and the residue was chromatographed on silica gel using 2% ammonium hydroxide in ethyl acetate as the eluent. The title compound was obtained as 4.10 g of a beige solid, mp 117°-120° C.

Provenance & Evidence