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CAS No. : | 89-54-3 | MDL No. : | MFCD00007845 |
Formula : | C7H6ClNO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | GVCFFVPEOLCYNN-UHFFFAOYSA-N |
M.W : | 171.58 | Pubchem ID : | 37879 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
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 |
---|---|---|
60% | In tetrahydrofuran; for 16h; | EXAMPLE 26. Synthesis of 2-ChJoro-5-f2-Fluoro-5-TrifluoromethyI-Benzoylamino)-Benzoic Acid (Intermediate 18)18[0162] 5-Amino-2-chIoro-benzoic acid (0.4 g, 2.32 mmol) was diluted with THF (12 mL), treated with 2-fluoro-5-trifluoromethyl-benzoyl chloride (0.388 g, 2.56 mmol) and stirred for 16h. Solvents were then removed and resulting solids were triturated with DCM. After filtration, the title compound was obtained as a white solid (0.5 g, 60%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With polyphosphoric acid; at 130℃; for 48h; | Into a 1-L round-bottom flask, was placed <strong>[3537-14-2]5-nitropyridine-2,3-diamine</strong> (30 g, 194.65 mmol, 1.00 equiv), 5-amino-2-chlorobenzoic acid (33.4 g, 194.66 mmol, 1.00 equiv), PPA (400 mL). The resulting solution was stirred for 2 days at 130 C. The reaction mixture was cooled with a water/ice bath. The resulting solution was diluted with 400 mL of ice water. The pH value of the solution was adjusted to 7 with sodium hydroxide (5%). The solids were collected by filtration and washed with 3*50 mL water. The solid was dried in an oven under reduced pressure. This resulted in 40 g (71%) of 4-chloro-3-[6-nitro-1H-imidazo[4,5-b]pyridin-2-yl]aniline (I-6) as a yellow solid. |
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