反应详情

As described for Example 10, [3-(2-bromomethyl-4-nitro-phenoxy)-4-methoxy-phenyl]-acetic acid ethyl ester and 5-methyl-1,3,4-thiadiazole-2-thiol were reacted to form {4-methoxy-3-[2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-4-nitro-phenoxy]-phenyl}-acetic acid ethyl ester, which was reduced to {3-[4-amino-2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-phenoxy]-4-methoxy-phenyl}-acetic acid ethyl ester and then treated with 4-chlorobenzoyl chloride to provide {3-[4-(4-chloro-benzoylamino)-2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-phenoxy]-4-methoxy-phenyl}-acetic acid ethyl ester. Hydrolysis of the ester to the acid provided Compound 19.

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