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681836-59-9

1,2-Benzenediamine, 4-methyl-N2-(1-methylethyl)- synthesis

2synthesis methods
Benzenamine, 5-methyl-N-(1-methylethyl)-2-nitro-

681836-70-4
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1,2-Benzenediamine, 4-methyl-N2-(1-methylethyl)-

681836-59-9
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-

Yield:681836-59-9 95%

Reaction Conditions:

with hydrogenchloride;tin(ll) chloride in water at 20; for 16 h;

Steps:

F.2

N2-ISOPROPYL-4-METHYL-1,2-BENZENEDIAMINE: A mixture of N-isopropyl-5-methyl-2-nitroaniline (150 mg, 0.77 mmol), SnCl2 (0.5 g, 2.6 mmol), 0.5M HCl (10 mL), and water (20 mL) was stirred at room temperature for 16 hours. The crude product was partitioned in a mixture of aqueous NaHCO3 and CH2Cl2. The organic layer was separated and concentrated to obtain the desired product (120 mg, 95%).

References:

US2004/82587,2004,A1 Location in patent:Page/Page column 14