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3-Chloro-4-methylaniline synthesis
- Product Name:3-Chloro-4-methylaniline
- CAS Number:95-74-9
- Molecular formula:C7H8ClN
- Molecular Weight:141.6
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121-86-8
208 suppliers
$14.00/5g
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95-74-9
241 suppliers
$9.00/25g
Yield:95-74-9 83%
Reaction Conditions:
Stage #1:2-chloro-4-nitrotoluene with hydrogenchloride;1,1,1,3',3',3'-hexafluoro-propanol;iron in water at 20; for 0.5 h;
Stage #2: with sodium hydrogencarbonate in waterchemoselective reaction;
Steps:
2. General Procedure for the Reduction of Nitro Compounds
General procedure: The nitro compound (1 equiv), HFIP (10 equiv), Fe powder (5 equiv) were mixed in a tube. Then 2 N HCl aqueous solutions was added to the reaction mixture. After stirring at room temperature for 30 min, the reaction mixture was neutralized with sat. NaHCO3 (aq.) and extracted with EtOAc three times. The combined organic layers were washed with brine, dried over Na2SO4, filtered, and concentrated under reduced pressure. The resulting crude product was then purified by column chromatography on silica gel to furnish the desired amine product.
References:
Chen, Xu-Ling;Ai, Bai-Ru;Dong, Yu;Zhang, Xiao-Mei;Wang, Ji-Yu [Tetrahedron Letters,2017,vol. 58,# 37,p. 3646 - 3649] Location in patent:supporting information
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89794-02-5
232 suppliers
$6.00/1g
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95-74-9
241 suppliers
$9.00/25g
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7006-52-2
116 suppliers
$9.00/1g
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95-74-9
241 suppliers
$9.00/25g
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99-99-0
324 suppliers
$5.00/5 g
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95-74-9
241 suppliers
$9.00/25g
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42533-63-1
17 suppliers
inquiry
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95-74-9
241 suppliers
$9.00/25g