HCID 23433473, compound → 2'-Fluoro-5'-methoxy4-nitro-2-biphenylcarboxylic acid

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This compound was prepared in a manner similar to that of 5′-fluoro-2′-methoxy-4-nitro-2-biphenylcarboxylic acid (EXAMPLE 107) from methyl 2′-methyl-5′-methoxy-6-methyl-4-nitro-2-biphenylcarboxylate (0.77 g) to afford 0.73 g (99%) of 2′-fluoro-5′-methoxy-4-nitro-2-biphenylcarboxylic acid as a white solid, which was used in the next step without further purification.

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