C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 307/80 (2006.01) C07D 307/28 (2006.01) C07D 405/12 (2006.01) C08K 5/32 (2006.01) C08K 5/3412 (2006.01)
Patent
CA 2443064
Sterically hindered N-substituted alkoxyamines are prepared by the transition- metal-catalyzed decomposition of diazonium salts in the presence of a sterically hindered nitroxyl radical. These compounds are useful as thermal and light stabilizers for a variety of organic substrates.
Des alcoxyamines N-substituées stériquement encombrées sont préparées au moyen de la décomposition catalysée par un métal de transition de sels de diazonium en présence d'un radical nitroxyle stériquement encombré. Ces composés sont utiles en tant qu'agents stabilisants thermiques et optiques pour une diversité de substrats organiques.
Pastor Stephen Daniel
Shum Sai Ping
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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