Triethylamine → 6-Methyl-2-Trichloromethyl-4-Pyrimidinyl Dimethylthiocarbamate

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Reaction Steps

A mixture of 5.7 g (0.025 mole) 4-hydroxy-6-methyl-2-trichloromethylpyrimidine, 2.6 g (0.025 mole) triethylamine, 3.2 g (0.025 mole) dimethylthiocarbamoyl chloride, and 100 ml ether was refluxed 16 hours. A trace of dark solid was filtered out and the solution was evaporated on a steam bath to give a solid residue. This residue was extracted with hot ligroin to yield 4.3 g (55% yield) of product (mp 81°-83° C.) on cooling. The structure was confirmed via infrared and elemental analysis.

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