Propylene glycol methyl ether acetate → Propylene glycol methyl ether acetate

HRID 630568

Reaction equation

HRID 630568 reaction equation
[CH3:1][CH:2]([CH3:4])[O-:3].[CH3:5][CH:6](C)[O-:7].C[CH:10](C)[O-:11].CC(C)[O-].[Ti+4:17].CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-].[Zr+4:34].C(CC(=O)C)(=O)C.CC(OC(C)=O)COC>C(O)(C)C.O>[CH3:1][CH:2]([O:3][C:6]([CH3:5])=[O:7])[CH2:4][O:11][CH3:10].[Zr:34].[Ti:17]

Participants

8

Reactant 4

HCID 7946Propylene glycol methyl ether acetateHCID 11026Titanium isopropoxideHCID 31261AcetylacetoneHCID 3083750Zirconium(4+) propan-2-olate

Product 2

HCID 7946Propylene glycol methyl ether acetateHCID 57465384Titanium-zirconium

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 3776IsopropanolSolvent2×

Procedure

A mixture of purified water (2.7 g) and isopropyl alcohol (50 g) was dropped to a mixture of titanium tetraisopropoxide (14.2 g), zirconium tetraisopropoxide (16.3 g) and isopropyl alcohol (50 g). After completion of dropping, acetylacetone (20 g) was added to the mixture, agitated for 2 hours, subjected to hydrolytic condensation and heated to reflux for 2 hours. PGMEA (150 g) was added thereto and was concentrated under reduced pressure to obtain a PGMEA solution of a titanium-zirconium-containing condensate (B-V) (200 g). The solid content concentration of the titanium-zirconium-containing condensate was 10.9%.

Workup

  1. customsubjected to hydrolytic condensation
  2. temperatureheated
  3. temperatureto reflux for 2 hours
  4. concentrationwas concentrated under reduced pressure

Sources & evidence

ORD record
ord-8400322882a84c38bbb3499ff10dfa0a
Source dataset
uspto-grants-2016_04
Patent number
US09315670B2

Linked notes

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