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CAS No. : | 82-86-0 | MDL No. : | MFCD00003805 |
Formula : | C12H6O2 | Boiling Point : | - |
Linear Structure Formula : | C10H6(CO)2 | InChI Key : | AFPRJLBZLPBTPZ-UHFFFAOYSA-N |
M.W : | 182.18 | Pubchem ID : | 6724 |
Synonyms : |
|
Chemical Name : | Acenaphthylene-1,2-dione |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P264-P271-P280-P302+P352-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | 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 |
---|---|---|
88% | With potassium hydroxide; In ethanol; at 85℃; for 48h; | Acenaphthenequinone (6.9 g, 38 mmol) and 1,3-bis (4-bromophenyl) propan-2-one (14 g, 38 mmol) was added to ethanol (300 mL), then potassium hydroxide (KOH) (6.4 g, 114 mmol) was added and the mixture was stirred and refluxed at 85 C. for 48 hours. After lowering the temperature to ordinary temperature and adding 200 mL of water, the produced solid was filtered and then dried to produce [Compound B-1] (17.3 g, yield 88%). |
30% | With potassium hydroxide; In ethanol; for 24h;Inert atmosphere; Reflux; | Synthesis of 2 was performed according to the published description in the literature [32]. The mixture containing 2.09 g(5 mmol) of compound 1 and 0.91 g (5 mmol) of acenaphthylene-1,2-dione was heated up to the reflux temperature in dryethanol. Then, the reaction was sustained by adding a solution of KOH (1.5 M) over 5 min. The reaction color changed todark green after 10 min and it refluxed for 24 h. For the purpose of purification, the flask content was filtered and the crudeproduct was washed with cold toluene several times to yield 30% of compound 2 as a dark green solid. m.p. 400-405 C;Anal. Calcd. for C27H14Br2O(514.22): C, 63.07; H, 2.74; Br, 31.08; O,3.11. Found: C, 63.21; H, 2.88. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32% | General procedure: All materials were dried for one day at 120 C. Chloride and carbonyl derivatives were introduced into a Schlenk of 30 mL. Products were put in vacuo, then under nitrogen. An appropriate volume of anhydrous DMF was added after 10 min of nitrogen bubbling. The solution was vigorously stirred for 20 min at -20 C. TDAE was added slowly under inert atmosphere. The reaction was stirred for one hour. The second reaction phase was performed at rt or at temperature according to procedure of synthesis. The reaction was hydrolysed with distilled water after TLC analysis clearly showed that the chloride 1 had been totally consumed. The aqueous solution was extracted with dichloromethane and the combined organic layers washed with brine then dried on MgSO4. |