64372-62-9Relevant articles and documents
A 2-halo-5-trifluoromethylbenzoate methyl animal pen alcoholic compound preparation method
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Paragraph 0061-0066, (2017/02/09)
The invention relates to the field of a medical intermediate, and particularly discloses a preparation method of intermediate 2-halogenate-5-trifluoromethyl benzyl alcohol of a novel cholesterol-lowering medicament, namely a cholesteryl ester transfer protein (CETP) inhibitor. The method comprises the following steps: carrying out chloromethylation reaction and esterification reaction on 4-halogenated trifluorotoluene used as a raw material, and then carrying out hydrolysis reaction so as to obtain a product 2-halogenate-5-trifluoromethyl benzyl alcohol compound. The method disclosed by the invention is available in raw materials, low in cost, environment-friendly and energy-saving, simple in process, easy for realization of industrialization, high in product yield, good in purity and stable in quality, and completely accords with the operating requirements on the medical intermediate.