(3-Aminopropyl)triethoxysilane → 94277-93-7

HRID 2380031Notes

Reaction equation

HRID 2380031 reaction equation
[NH2:1][CH2:2][CH2:3][CH2:4][Si:5]([O:12][CH2:13][CH3:14])([O:9][CH2:10][CH3:11])[O:6][CH2:7][CH3:8].[CH2:15]([O:17][C:18](=[O:26])/[CH:19]=[CH:20]\[C:21]([O:23][CH2:24][CH3:25])=[O:22])[CH3:16]>>[CH2:15]([O:17][C:18](=[O:26])[C@H:19]([CH2:20][C:21]([O:23][CH2:24][CH3:25])=[O:22])[NH:1][CH2:2][CH2:3][CH2:4][Si:5]([O:12][CH2:13][CH3:14])([O:6][CH2:7][CH3:8])[O:9][CH2:10][CH3:11])[CH3:16]

Participants

3

Reactant 2

HCID 13521(3-Aminopropyl)triethoxysilaneHCID 5271566Diethyl Maleate

Product 1

HCID 1585777294277-93-7

Conditions

Temperature
30 °C

Procedure

221.0 g (1.0 mol) of 3-aminopropyltriethoxysilane were introduced into a standard stirrer apparatus. 172.0 g (1.0 mol) of maleic acid diethyl ester were added dropwise at room temperature over a period of about 4 hours. The exothermic reaction was maintained at about 30° C. by cooling the apparatus in a water bath. Stirring was then continued for a further 8 hours at room temperature. A clear, colorless liquid having a viscosity of about 30 mPa.s (23° C.) was obtained. Base titration showed almost complete conversion. The amine equivalent weight was about 398 g (theory: 393 g).

Workup

  1. customThe exothermic reaction
  2. temperatureby cooling the apparatus in a water bath
  3. customa viscosity of about 30 mPa.s (23° C.)
  4. customwas obtained

Sources & evidence

ORD record
ord-097d13aac0c04961b69f963e63b143d6
Source dataset
uspto-grants-1994_11
Patent number
US05364955

Reaction notes

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