2,2-Dimethylpropyl carbonochloridate → 4-(4'-{4-(2,4-dichloro-phenyl)-1-[4-(1,1,4-trioxo-[1,2,5]thiadiazolidin-2-yl)-phenyl]-1H-imidazol-2-ylmethyl}-biphenyl-4-yl)-piperazine-1-carboxylic acid 2,2-dimethyl-propyl ester

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Reaction Steps

5-{4-[4-(2,4-Dichloro-phenyl)-2-(4′-piperazin-1-yl-biphenyl-4-ylmethyl)-imidazol-1-yl]-phenyl}-1,2,5-thiadiazolidine-3-one-1,1-dioxide (20 mg, 0.03 mmol) was treated as described in general procedure U using neopentyl chloroformate (9 mg, 0.06 mmol) to give 4-(4′-{4-(2,4-dichloro-phenyl)-1-[4-(1,1,4-trioxo-[1,2,5]thiadiazolidin-2-yl)-phenyl]-1H-imidazol-2-ylmethyl}-biphenyl-4-yl)-piperazine-1-carboxylic acid 2,2-dimethyl-propyl ester.

Provenance & Evidence