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CAS No. : | 121-01-7 | MDL No. : | MFCD00007365 |
Formula : | C7H5F3N2O2 | Boiling Point : | - |
Linear Structure Formula : | (CF3)(NO2)C6H3NH2 | InChI Key : | HOTZLWVITTVZGY-UHFFFAOYSA-N |
M.W : | 206.12 | Pubchem ID : | 67128 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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 |
---|---|---|
6.8 g (65%) | With hydrogenchloride; sodium nitrite; In water; sodium hydrogencarbonate; acetic acid; | a. 2-Cyano-5-nitrobenzotrifluoride A solution of 10.0 g (48.5 mmol) 2-amino-5-nitrobenzotrifluoride in 60 ml glacial acetic acid was added 200 ml 2N hydrochloric acid, and then at 0 C. diazotized with a solution of 3.36 g (48.6 mmol) sodium nitrite in 100 ml water. Stirring was continued at 0 C. for 1 h, and then at 25 C. a solution of 18 g (75 mmol) potassium tetracyanonickelate (K2 NiCN4) in 500 ml saturated sodium hydrogencarbonate was added dropwise. Extraction with ethyl acetate followed by distillation (95-100 C./0.5 mmHg) of the crude oil gave 6.8 g (65%) of 2-cyano-5-nitrobenzotrifluoride. |
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