(3-Benzyloxy-5-trifluoromethylthien-2-yl)-carboxylic acid → 3-Benzyloxy-5-trifluoromethylthiophen

참여 물질

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반응 단계

A mixture of 5F (14.5 g) and quinoline (50 ml) was treated with copper powder (4.57 g) and heated to 150° C. The reaction mixture is heated for 25 minutes at 150° C. and cooled to room temperature. The mixture was filtered and washed with water. Aqueous quinoline was acidified with 6N HCl (pH=2) and extracted with diethyl ether twice. The combined organic phases were washed with water and dried. The mixture was concentrated and the residue was chromatographed to yield a yellow liquid (8.74 g, 71%).

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