(3-Aminopropyl)triethoxysilane → Urea TEOS

HRID 1492120Notes

Reaction equation

HRID 1492120 reaction equation
[N:1](CCC[Si:7]([O:14][CH2:15][CH3:16])([O:11][CH2:12][CH3:13])[O:8][CH2:9][CH3:10])=[C:2]=[O:3].[NH2:17]CCC[Si](OCC)(OCC)[O:22][CH2:23][CH3:24]>>[NH2:1][C:2]([NH2:17])=[O:3].[CH3:24][CH2:23][O:22][Si:7]([O:8][CH2:9][CH3:10])([O:11][CH2:12][CH3:13])[O:14][CH2:15][CH3:16]

Participants

3

Reactant 2

HCID 13521(3-Aminopropyl)triethoxysilaneHCID 90613Triethoxy(3-isocyanatopropyl)silane

Product 1

HCID 131718259Urea TEOS

Procedure

3-Isocyanatopropyltriethoxysilane (12.4 g, 50 mmol) is added dropwise over a period of 25 minutes to vigorously stirred 3-aminopropyltriethoxy-silane (11.6 g, 50 mmol). After sixty minutes, the exothermic reaction is complete yielding a white waxy solid with the following structure: ##STR7##

Workup

  1. waitAfter sixty minutes
  2. customthe exothermic reaction
  3. customis complete yielding a white waxy solid with the following structure

Sources & evidence

ORD record
ord-781c36980e454f6b8c1f0bb331c52b35
Source dataset
uspto-grants-1994_12
Patent number
US05372889

Reaction notes

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