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CAS No. : | 182281-01-2 | MDL No. : | MFCD02183525 |
Formula : | C11H15BO4 | Boiling Point : | No data available |
Linear Structure Formula : | (HO)2BC6H4OC5H9O | InChI Key : | DMGMCZRNMYQQQB-UHFFFAOYSA-N |
M.W : | 222.05 | Pubchem ID : | 5017652 |
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 |
---|---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In water; toluene; for 48h;Reflux; Inert atmosphere; | A 250mL round bottomflask, equippedwith a reflux condenser and amagnetic stirrer,was degassed(flamed under vacuum) and filled with argon. 2.90 g (3.75 mmol) diBr-di-EH-PDI, 2.00 g (9.009 mmol)4-(2-tetrahydropyranyloxy) phenylboronic acid, 3.10 g (22.5 mmol) K2CO3 in 2 M aqueous solution,0.173 g (0.150 mmol) Pd(PPh3)4 and 100 mL toluene were added. The system was degassed, flushed withargon again and heated to reflux temperature for 2 days. After, the solution was filtered from paper filterfollowed by extraction of the organic layer with toluene and distilled water. The organic part was stirredwith magnesium sulfate (MgSO4), filtrated and the solvent was rotary evaporated. Then, the solid wasdispersed inMeOH for further purification, filtered, washed with H2O and was dried under vacuum at40 C overnight. Then the solid was added in a 50 mL bottom flask with a reflux condenser, a magneticstirrer and 20 mL tetrahydrofuran. 4 mL HCl 37% were added and the system was heated to refluxtemperature for 3 hours. The solution was cooled, poured inMeOH, filtered and washed with H2O andhexane andMeOH. The obtained solid was dried under vacuum at 40 C overnight. Yield: 1.799 g, (60%)m.p. 363-365 C. 1H NMR (600MHz, CDCl3): delta (ppm) = 8.63-8.54 (d, 2H), 8.18-8.14 (d, 2H), 7.93-7.83 (m,2H), 7.44-7.28 (m, 4H), 7.00-6.9 (m, 4H), 4.2-4.0 (m, 4H) 2.02-1.89 (m, 2H) 1.26-1.45 (m, 16H), 0.97-0.85(m, 12H) 13C NMR is unavailable due to low solubility of the molecule. MS (MALDI-TOF) Calcd. forC52H50N2O6: 798.37 found: [M+ H] 799.42. |
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