2-Chlorobenzaldehyde → Ethyl 4-(2-chlorophenyl)-6-methyl-2-(thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate

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Reaction Steps

Thiazole-2-carboximidamide hydrochloride (11.63 g, 71.1 mmol) was reacted with 2-chlorobenzaldehyde (10 g, 71.1 mmol) and ethyl 3-oxobutanoate (11.1 g, 85.3 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (14.2 g, 55%). The compound was characterized by the following spectroscopic data:

Provenance & Evidence