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CAS No. : | 2314-36-5 | MDL No. : | MFCD00017605 |
Formula : | C7H4Cl2O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | LIYGCLJYTHRBQV-UHFFFAOYSA-N |
M.W : | 191.01 | Pubchem ID : | 16839 |
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: |
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* 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 |
---|---|---|
55% | With sulfuryl dichloride; In chloroform;Inert atmosphere; Reflux; | Compound R53 (4.9 g, 40 mmol) was dissolved in 80 ml of dry chloroform, followed by argon gasProtected, heated to reflux, slowly added dropwise a solution of 20 ml of sulfonyl chloride (6.4 ml, 80 mmol) in chloroform, and then refluxed overnight. The reaction solution was spin-dried and purified on a silica gel column. Yield 4.2g (55percent). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
22% | With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane; at 20℃; | 2,6-Dichloro-4-hydroxymethylphenol (3.56 g, 18.4 mmol) was dissolved in dioxane, and DDQ (4.19 g, 18.4 mmol) was added. The reaction mixture was stirred at rt overnight. The solvents were removed under reduced pressure. The residue was diluted with CH2CI2, and the mixture was filtered. The filtrate was dried over MgSO4, filtered, and the solvents were removed under reduced pressure. Crystallization from EtOAc yielded the title compound (0.77g, 22percent). LC-MS: tR = 0.82 min. |
22% | With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane; at 20℃; | 2,6-Dichloro-4-hydroxymethylphenol (3.56 g, 18.4 mmol) was dissolved in dioxane, and DDQ (4.19 g, 18.4 mmol) was added. The reaction mixture was stirred at rt overnight. The solvents were removed under reduced pressure. The residue was diluted with CH2Cl2, and the mixture was filtered. The filtrate was dried over MgSO4, filtered, and the solvents were removed under reduced pressure. Crystallization from EtOAc yielded the title compound (0.77 g, 22percent). LC-MS: tR=0.82 min. |
22% | With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane; at 20℃; | 2,6-Dichloro-4-hydroxymethylphenol (3.56 g, 18.4 mmol) was dissolved in dioxane, and DDQ (4.19 g, 18.4 mmol) was added. The reaction mixture was stirred at rt overnight. The solvents were removed under reduced pressure. The residue was diluted with CHaCk, and the mixture was filtered. The filtrate was dried over MgSO4, filtered, and the solvents were removed under reduced pressure. Crystallization from EtOAc yielded the title compound (0.77g, 22percent). LC-MS: tR = 0.82 min. |
22% | With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane; at 20℃; | 2,6-Dichloro-4-hydroxymethylphenol (3.56 g, 18.4 mmol) was dissolved in dioxane, and DDQ (4.19 g, 18.4 mmol) was added. The reaction mixture was stirred at rt overnight. The solvents were removed under reduced pressure. The residue was diluted with CH2Cl2, and the mixture was filtered. The filtrate was dried over MgSO4, filtered, and the solvents were removed under reduced pressure. Crystallization from EtOAc yielded the title compound (0.77 g, 22percent). LC-MS: tR = 0.82 min. |
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