Aminopropyltrimethoxysilane → HCID 131721809, compound

Participants

Reaction Conditions

Reaction Steps

8.27 equiv. of 3-aminopropyltrimethoxysilane were added to a 5 liter flask fitted with agitator, thermocouple, nitrogen inlet and addition funnel with condenser. 8.27 equiv. of diethyl maleate were added dropwise through the addition funnel over a period of 2 hours. The temperature of the reactor was maintained at 25° C. during the addition. The reactor was maintained at 25° C. for an additional 5 hours at which time the product was poured into glass containers and sealed under a blanket of nitrogen. After one week the unsaturation number was 0.6 indicating the reaction was ~99% complete. The resulting N-(3-trimethoxysilylpropyl) aspartic acid diethyl ester had a viscosity at 25° C. of 11 mPa.s.

Provenance & Evidence