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N-(4-bromo-2,6-diisopropylphenyl)-3-methoxybenzimidamide[ No CAS ]
Yield
Reaction Conditions
Operation in experiment
68%
Synthesis of N-(4-bromo-2,6-diisopropylphenyl)-3-methoxybenzimidamide One 2 L 3-neck flask was charged with <strong>[80058-84-0]4-bromo-2,6-diisopropylaniline</strong> (19 g, 74.2 mmol) and toluene (200 ml). Trimethylaluminum (2M solution in toluene, 25 ml) was added dropwise into the reaction mixture at 0° C. After the addition was over, the ice bath was removed and reaction mixture was allowed to stir at room temperature (20-25° C.) for 3 hours. 3-methoxybenzonitrile (9.88 g, 74.2 mmol) in toluene (300 ml) was then added into reaction mixture. The reaction mixture was allowed to heated to 80° C. for 17 hours. The reaction mixture was poured slowly into a slurry of 200 gm of celite in 900 ml of a 2:1 mixture of DCM in methanol. The reaction mixture was then filtered and filtrate was evaporated to dryness, the residue was re-suspend with heptane and filtered to yield N-(4-bromo-2,6-diisopropylphenyl)-3-methoxybenzimidamide (19.73 g, 68percent).
Chemistry
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