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CAS No. : | 302776-68-7 | MDL No. : | MFCD11616752 |
Formula : | C24H31NO4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FDATWRLUYRHCJE-UHFFFAOYSA-N |
M.W : | 397.51 | Pubchem ID : | 10111431 |
Synonyms : |
DHHB
|
Chemical Name : | Hexyl 2-(4-(diethylamino)-2-hydroxybenzoyl)benzoate |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | 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 |
---|---|---|
47.6% | With potassium carbonate; In N,N-dimethyl-formamide; at 100 - 110℃; for 4h;Large scale; | 2- (4-N, N-diethylamino-2-hydroxybenzoyl) benzoic acid (1.1 kg, 3.51 mol) synthesized in Preparation Example 1,Hexyl 4-methylbenzenesulfonate (1.1 kg, 4.22 mol), K2CO3 (0.9 kg, 7.02 mol) synthesized in Preparation Example 2-4 was stirred with 1.65 L of DMF.After raising the internal temperature to 100 ~ 110 and stirred for 4 hours, cooled and extracted with 3.5 L of ethyl acetate and 3.5 L of purified water.The separated organic layer was concentrated under reduced pressure after decolorizing for 1 hour using 5% charcoal at an internal temperature of 30-50 C.The concentrated residue was crystallized by the crystallization method of Example 3 to obtain the title compound (0.66 kg, 47.6%) in the form of crystalline particles. |
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