Lithium hydroxide, monohydrate → 2-[[5-{5H-Dibenzo[a,d]cyclohepten-5-yl}3,4-dihydro-2-oxo-4-thioxo-1(2H)pyrimidinyl]methyl]-4-thiazolecarboxylic acid

Participants

Reaction Steps

A mixture of the product of step (v) (1.5 g) and lithium hydroxide monohydrate (1.26 g) in methanol (100 ml) and water (50 ml) was stirred at room temperature overnight. The solution was concentrated under reduced pressure to 50 ml and the pH adjusted to 3.5 with 2M hydrochloric acid. The precipitated product was collected, washed with water and dried. Yield 1.1 g.

Provenance & Evidence