abstract |
The present invention relates to a process for preparing nitrons of formula (I) from imines of formula (II):n n n n n n n n n n n n n Wherein R is a branched alkyl group having 4 to 30 carbon atoms; R 1 , R 2 , R 3 and R 4 are independently hydrogen or an alkyl group having 1 to 6 carbon atoms.n n n Nitron, stabilizer |