Structure of 400-66-8
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 400-66-8 |
Formula : | C7H4BrF3N2O2 |
M.W : | 285.02 |
SMILES Code : | NC1=C(Br)C=C(C=C1C(F)(F)F)[N+]([O-])=O |
MDL No. : | MFCD14560537 |
Boiling Point : | No data available |
InChI Key : | VTSOQYVBDQONBG-UHFFFAOYSA-N |
Pubchem ID : | 11471654 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | With bromine; In acetic acid; at 120℃; for 2.5h; | Bromine (0.60 mL) dissolved in acetic acid (11 mL) was added dropwise to a solution of 4-nitro-2-trifluoromethyl-phenylamine (2.4 g) in acetic acid (12 mL). The reaction mixture was heated to 120C for 2l/2 hours, poured into water (400 mL) and filtered. The collected solid was washed with water (200 mL) and dried in vacuo to furnish 3.03 g (91% yield) of the title compound as a yellow solid NMR (500 MHz, DMSO-d6): 7.08 (s, 2H), 8.23 (d, 1H), 8.51 (d, 1H). |
91% | With bromine; acetic acid; at 120℃; for 2.5h; | 2-Bromo-4-nitro-6-trifluoromethyl-phenylamine.; Bromine (0.60 mL) dissolved in acetic acid (11 mL) was added dropwise to a solution of 4-nitro-2-trifluoromethyl-phenylarnine (2.4 g) in acetic acid (12 mL). The reaction mixture was heated to 120 C for 21A hours, poured into water (400 mL) and filtered. The collected solid was washed with water (200 mL) and dried in vacuo to furnish 3.03 g (91% yield) of the title compound as a yellow solid. 1H NMR (500 MHz, DMSOd6): 7.08 (s, 2H), 8.23 (d, IH), 8.51 (d, IH). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | With hydrogenchloride; zinc; In tetrahydrofuran; for 1h; | Aqueous hydrochloric acid (2 M, 45 mL) was added slowly to a mixture of zinc dust (8. 6 g) and <strong>[400-66-8]2-bromo-4-nitro-6-trifluoromethyl-phenylamine</strong> (2.5 g) in tetrahydrofuran (50 mL). The reaction mixture was stirred for 1 hour, filtered and neutralized with saturated aqueous sodium bicarbonate (100 mL). Water (100 mL) was added and the mixture was extracted with ethyl acetate (2x 100 mL). The combined organic phases were washed with water (2x 200 mL) and brine (200 mL), dried over sodium sulfate and concentrated in vacuo to furnish 2.22 g (98% yield) of the title compound as a red solid.'H NMR (500 MHz, DMSO-d6): 4.55 (s, 2H), 4.91 (s, 2H), 6.76 (d, 1H), 7.01 (d, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
33% | In acetonitrile; at 150℃; for 0.166667h;Microwave irradiation; | N-(2-Bromo-4-nitro-6-trifluoromethyl-phenyl)-3-cyclohexyl-propionamide.; 2-Bromo-4-nitro-6-trifluoromethyl-phenylamine (2.0 g) and cyclohexylpropionyl chloride (1.30 mL) were mixed in acetonitrile (10 niL) and heated to 150 C for 10 minutes in a sealed microwave process vial. The reaction was cooled to 0 0C, the product filtered off and washed with cold acetonitrile (50 mL) affording 0.97 g (33% yield) of the title compound as a yellow solid. The crude product was used without further purification. LC-MS (m/z) 424 (MH+); tR = 3.53, (UV, ELSD) 95%, 99%. 1H NMR (500 MHz, DMSOd6): 0.88 (m, 2H), 1.17 (m, 3H), 1.28 (m, IH), 1.51 (m, 2H), 1.68 (m, 5H), 2.38 (t, 2H), 8.45 (d, IH), 8.82 (d5 IH), 10.17 (s, lH). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
sulfuric acid; In acetic anhydride; | EXAMPLE 4 2-Bromo-4-nitro-6-trifluoromethylaniline (14.2 g., 0.05 mol.) is dissolved in 300 ml. of acetic anhydride. A catalytic amount of sulfuric acid is added and the reaction mixture is stirred at 25 for 1 hour. The mixture is poured into water and the product 2'-bromo-4'-nitro-6'-trifluoromethylacetanilide is collected by filtration. |
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