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CAS No. : | 883195-40-2 | MDL No. : | MFCD16999375 |
Formula : | C6H6ClNO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | JOBPGDXYRPFRIV-UHFFFAOYSA-N |
M.W : | 143.57 | Pubchem ID : | 19986947 |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P261-P264-P270-P271-P280-P302+P352-P304+P340-P310-P330-P361-P403+P233-P405-P501 | UN#: | 2811 |
Hazard Statements: | H301-H311-H331 | Packing Group: | Ⅲ |
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 |
---|---|---|
77% | With ammonium chloride; zinc In ethanol; water at 60℃; for 3 h; | 3-Chloro-5-nitrophenol from Example 63A (3.0O g, 17.3 mmol) and zinc powder (5.65 g, 86.4 mmol) in ethanol (8O mL) were heated to 600C, and a solution of ammonium chloride (1.85 g, 34.6 mmol) in water (16 mL) was added dropwise. The reaction was stirred for further 3 h at 600C. It was then filtered through Celite.(R)., and the solvent was removed in vacuo. The residue was dissolved in water and extracted with ethyl acetate. The organic layer was dried over sodium sulfate, and the solvent was removed in vacuo. The residue was triturated with DCM, and the precipitate was collected by suction filtration to yield 1.97 g (77percent) of the title compound as yellowish crystals. <n="97"/>1H-NMR (400 MHz, DMSOd6): δ = 5.25 (br. s, 2H), 5.92 (d, 2H), 6.03 (t, IH), 9.29 (s, IH).LC/MS (method 4): R1 = 1.07 min; MS (ESIpos): m/z = 144 [M+H]+. |
59% | With iron; acetic acid In ethanol at 85℃; for 2 h; | Compound 22-b (2g, 0.01153mol) was dissolved in 35mL of ethanol and 35mLacetic acid was heated to 85 , iron powder was added portionwise (6.4g, 0.1153mol),until no starting material for 2h, filtered, evaporated to dryness, added water, sodiumbicarbonate, adjusted to PH 8-9, and extracted with dichloromethane, dried filtered andevaporated to dryness, chromatography to give compound 22-c (1.15g), yield 59percent. |
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