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4-(Dimethylamino)pyridine is a useful nucleophilic catalyst for various reactions viz. esterifications with anhydrides, the Baylis-Hillman reaction, hydrosilylations, tritylation and Steglich rearrangement. It is also an effective catalyst for transesterification of beta-keto esters and silylation of alcohols.
Ma, Z.; Jia, X.; Zhang, G.; Hu, J.; Zhang, X.; Liu, Z.; Wang, H.; Zhou, F. pH-Responsive Controlled-Release Fertilizer with Water Retention via Atom Transfer Radical Polymerization of Acrylic Acid on Mussel-Inspired Initiator. J. Agric. Food Chem. 2013, 61 (23), 5474-5482.
Doganci, E.; Gorur, M.; Uyanik, C.; Yilmaz, F. Synthesis of AB3-type miktoarm star polymers with steroid core via a combination of Click chemistry and ring opening polymerization techniques. J. Polym. Sci., Part A: Polym. Chem. 2014, 52 (23), 3390-3399.
Hazard Statements: H301-H310-H314-H318
Toxic if swallowed. Fatal in contact with skin. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P260u-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a
Do not breathe dusts or mists. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.