35344-95-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, This compound has unique chemical properties. The synthetic route is as follows.
To a solution of 1H-pyrazole-4-carbaldehyde (70 mg, 728 mumol) in MeCN (5 mL) was added 1-(bromomethyl)-4-chlorobenzene (149 mg, 728 mumol) and cesium carbonate (472 mg, 1.45 mmol). The mixture was stirred at r.t. for 2h. The mixture was concentrated, diluted with EA and water. The organic phase was washed with brine (10 mL x 2), dried over Na2SO4and concentrated to give 1-(4-chlorobenzyl)-1H- pyrazole-4-carbaldehyde (162 mg, 101 percent) as a white solid, which was used in the next step without further purification
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