Organic materials stabilized with aminoreductones as...

Details Organic materials stabilized with aminoreductones as... Organic materials stabilized with aminoreductones as...

C - Chemistry, Metallurgy

07

D

99/164, 260/518.

C07D 265/36 (2006.01) C09K 15/30 (2006.01)

Patent

CA 1197507

Abstract of the Disclosure: Organic materials which con- tain from 0.001 to 10% by weight of an aminoreductone I Image I where R1, R2 and R3 are H, methyl or ethyl and R4 is the radical of a naturally occurring .alpha.- or .beta.-aminoacid or of a C1-C10-alkyl ester thereof or, in the case of an .alpha.- aminoacid, a lactone having a 2-OH group in the cyclohexenone ring, or R4 is C1-C20-alkyl which is unsubstituted or substituted by -OH, C1-C4-alkoxy or C1-C4-acyloxy, or is -(CH2-CH2-O)nH, which may be etherified with a C1-C4-alkanol or esterified with a C1-C4-fatty acid, and where n is from 2 to 10, or a mineral salt thereof. Novel compounds Ia differ from I in having the radi- cal R4a, where R4a is R4 with the exception of methyl. Compounds I are prepared by reacting the corresponding 2,3-dihydroxycyclohex-2-en-1-one with an amine HN(R3)R4 or a mineral acid salt thereof. 25.

417128

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