Catechol → HCID 66722961, compound

HRID 2093267Notes

Reaction equation

HRID 2093267 reaction equation
[C:1]1([C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[OH:4])[OH:2].C(O[Si:12](OCC)(OCC)OCC)C>C1(C)C=CC=CC=1>[C:1]1([C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[OH:4])[OH:2].[Si:12]

Participants

4

Reactant 2

HCID 289CatecholHCID 6517Tetraethoxysilane

Product 1

HCID 66722961HCID 66722961, compound

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

A solution of catechol (22.0 g, 0.20 mmol) and toluene (220 mL) was dehydrated by distilling 20 mL of the solution. Thereafter, 20.8 g (0.10 mmol) of tetraethoxysilane (TEOS) was added to the solution while stirring. The mixed solution was refluxed for 1 hour, and then, while the distillation temperature was 100° C. or higher, distilled at a liquid flow rate of 15 mL/h until the amount of the solution became 100 mL. As a result, catechol-silicon complex toluene was obtained. To 2 mL of catechol-silicon complex toluene, 2 mL of acetylacetone was added to produce a coating liquid.

Workup

  1. distillationby distilling 20 mL of the solution
  2. temperatureThe mixed solution was refluxed for 1 hour
  3. customwas 100° C.
  4. distillationhigher, distilled at a liquid flow rate of 15 mL/h until the amount of the solution

Sources & evidence

ORD record
ord-0d43b9fed2bd4d61bfcdc418d2379976
Source dataset
uspto-grants-2013_05
Patent number
US08445118B2

Reaction notes

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