Water → tert-Butyl [4-(1H-benzimidazol-2-yl)-1,3-thiazol-2-yl]methyl-carbamate

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Reaction Steps

In analogy to the preparation of 8, 1.89 g of a 30% NaOCH3 solution were added to tert-butyl (4-cyano-1,3-thiazol-2-yl)methylcarbamate (2.5 g; 10.45 mmol) in 25 ml of CH3OH, and the mixture was stirred at room temperature for 2 h. Addition of 1.9 g of 1,2-phenylenediamine bishydrochloride was followed by stirring overnight, and then the reaction mixture was added to 100 ml of H2O, and the solid resulting after filtration was dried in vacuo.

Provenance & Evidence