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CAS No. : | 13633-25-5 | MDL No. : | MFCD00154988 |
Formula : | C10H13Br | Boiling Point : | No data available |
Linear Structure Formula : | Br(CH2)4(C6H5) | InChI Key : | XPBQQAHIVODAIC-UHFFFAOYSA-N |
M.W : | 213.11 | Pubchem ID : | 259668 |
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 |
---|---|---|
98.7% | Step 1. In a 250 ml three-necked flask, 1 g of a catalyst P-W2CNC, 1-bromo-4-phenylbutane 8.0 g, DMF 50 ml, and mechanical stirring were sequentially added.Put 1.8 g of methylparaben, K2CO 33.6 g, and heat to 115 C.Reaction 11h;Step 2: After the reaction is cooled to room temperature, the K2CO3 solid is removed by suction filtration.Add 50 ml of water to the filtrate, turbid, stir for 10 min, add about 3 mol / L of HCl solution to adjust pH = 2;Step 3. Extract the above system with dichloromethane, wash with ionized water,The solvent dichloromethane was removed by rotary evaporation to give an orange liquid;Step 4, the orange liquid is placed in a single-mouth bottle, 3.0 g of NaOH, 50 ml of water and 40 ml of ethanol are added, and the mixture is refluxed for 3 hours in an oil bath, and the ethanol is distilled off.The residue was adjusted to pH=2 with 3 mol/L of HCl;Step 5, after extracting the above system with dichloromethane, the organic phase is steamed.A sticky yellow solid was obtained, and after adding an appropriate amount of isopropanol, the mixture was stirred, solid crystallized, and suction filtered to give white crystals of 4-(4-phenylbutoxy)benzoic acid. |
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