A practical synthesis of 2,4-dichloro-3-methyl-6-nitrophenol
2,4-Dichloro-3-methyl-6-nitrophenol 2 was prepared by KOH/H2O hydrolysis of a product mixture obtained from chlorination of p-nitrotoluene in the presence of a phase transfer catalyst. A 95-99% yield of 2 based on 2,3,6-trichloro-4-nitrotoluene, 4 (major chlorination product) was achieved in >95% purity.
Ran,Pittman Jr.
p. 2785 - 2795
(2007/10/02)
Dichlorine Monoxide: A Powerful and Selective Chlorinating Reagent
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Marsh, F. D.,Farnham, W. B.,Sam, D. J.,Smart, B. E.
p. 4680 - 4682
(2007/10/02)
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