C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/94 (2006.01) C07C 239/20 (2006.01) C07D 295/24 (2006.01) C07D 303/22 (2006.01) C07D 401/14 (2006.01) C07D 491/10 (2006.01) C07D 493/10 (2006.01) C07D 498/04 (2006.01) C08F 2/38 (2006.01) C08F 4/00 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/3492 (2006.01) C09K 15/20 (2006.01) C09K 15/30 (2006.01)
Patent
CA 2464107
Amine ethers of sterically hindered amines are obtained in good yield from the corresponding N-oxyl hindered amine precursor by reaction with a hydrocarbon in the presence of an organic hydroperoxide and an iodide. The products of present process find utility as polymerization regulators and/or light stabilizers for organic material.
L'invention concerne l'obtention, avec un bon rendement, d'éthers d'amines stériquement encombrées à partir d'un précurseur correspondant N-oxyle d'amine, encombrée stériquement, mis en réaction avec un hydrocarbure en présence d'un hydroperoxyde organique et d'un iodure. Les produits de ce procédé sont utiles en tant que régulateurs de polymérisation et/ou agents de stabilisation pour des matériaux organiques.
Frey Markus
Rast Valerie
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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