Hydrochloric Acid → 2,6-Dihydroxybenzaldehyde

HRID 1640349Notes

Reaction equation

HRID 1640349 reaction equation
[C:1]1([CH:8]=[CH:7][CH:6]=[C:4]([OH:5])[CH:3]=1)[OH:2].[CH2:9]=[O:10].O.Cl>C(O)C>[C:1]1([CH:8]=[CH:7][CH:6]=[C:4]([OH:5])[C:3]=1[CH:9]=[O:10])[OH:2]

Participants

6

Reactant 4

HCID 313Hydrochloric Acid2×HCID 712Formaldehyde2×HCID 962WaterHCID 5054Resorcinol2×

Product 1

HCID 102858012,6-Dihydroxybenzaldehyde

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent2×

Procedure

Mesoporous carbons with highly ordered structure were prepared using weight ratios of 1.1 resorcinol: 1.1 F127:0.48 formaldehyde: 3.55-8.2 ethanol: 5.1-1.67 water: 0.16-0.66 HCl. In a typical synthesis, 1.1 g of resorcinol and 1.1 g of F127 were dissolved in 4.5 ml of ethanol (EtOH), and to this was added 4.5 ml of 3.0M HCl aqueous solution and 1.3 g of 37% formaldehyde (37%) was then added. After stirring for 12-13 min. at room temperature, the clear mixture turned turbid, indicating the formation of the ordered nanocomposite and a phase separation. After stirring for a total of 40 minutes, the mixture was centrifuged at 9500 rpm for 4 minutes in order to completely separate and isolate the polymer-rich gel phase. The gel was then loaded on a large Petri dish and cured at 80° C. and subsequently 150° C. for 24 hours each. Carbonization was carried out under nitrogen atmosphere at 400° C. for 2 hours at a heating rate of 1° C./min followed by further treatment at 850° C. for 3 hours at a heating rate of 5° C./min. The produced carbon material is referred to as C—ORNL-1.

Workup

  1. additionwas then added
  2. customa phase separation
  3. stirringAfter stirring for a total of 40 minutes
  4. waitthe mixture was centrifuged at 9500 rpm for 4 minutes in order
  5. customto completely separate
  6. customisolate the polymer-rich gel phase
  7. waitcured at 80° C. and subsequently 150° C. for 24 hours
  8. waitCarbonization was carried out under nitrogen atmosphere at 400° C. for 2 hours at a heating rate of 1° C./min
  9. waitfollowed by further treatment at 850° C. for 3 hours at a heating rate of 5° C./min

Sources & evidence

ORD record
ord-6b7c49025a224e238f4a9bdbe9721ebe
Source dataset
uspto-grants-2012_02
Patent number
US08114510B2

Reaction notes

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