C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 401/14 (2006.01) C07D 405/14 (2006.01) C07D 413/14 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 2111034
Novel process for the preparation of 2,2,6,6-tetramethyl-4-piperidyloxy-1.3.5-triazines with two or more triazine rings Abstract Novel process for the preparation of 2,2,6,6-tetramethyl-4-piperidyloxy-1,3,5-triazines, based on Ihe reaction of cyanuric chloride with C1-C4alkanols or with sodium or potassium C1-C4alkoxides and subsequent reaction with 2,2,6,6-tetramethyl-4-piperidinols in the presence of a transesterification catalyst. The various reactions can be carried out in the same reactor, without isolation of the intermediates. Formula (I) Image
Guizzardi Fabrizio
Scrima Roberto
Vignali Graziano
Zagnoni Graziano
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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