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    • 75. 发明授权
    • Bicyclo 4-acyloxypiperidine light stabilizers
    • 双环4-酰氧基哌啶光稳定剂
    • US4344877A
    • 1982-08-17
    • US224859
    • 1981-01-14
    • Erwin NiklesFriedrich Karrer
    • Erwin NiklesFriedrich Karrer
    • C08L23/00C07D211/46C08K5/00C08K5/34C08K5/3412C08K5/3435C08L7/00C08L21/00C08L51/00C08L51/02C08L101/00C07D401/12C07D401/14
    • C07D211/46C08K5/34C08K5/3435
    • A 4-acyloxypiperidine of the formula I ##STR1## in which R.sub.1 denotes C.sub.1 -C.sub.30 -alkyl, C.sub.3 -C.sub.20 -alkenyl, C.sub.3 -C.sub.20 -alkynyl, C.sub.2 -C.sub.30 -cyanoalkyl, C.sub.2 -C.sub.30 -alkoxyalkyl, C.sub.7 -C.sub.20 -aralkyl, 2,3-epoxypropyl, an aliphatic, alicyclic, aromatic, araliphatic or heterocyclic acyl group with 1-20 C atoms or one of the groups --CH.sub.2 COOR.sub.4, --CH.sub.2 -CH(R.sub.5)--OR.sub.6, --COOR.sub.7 or --CONHR.sub.7, in which R.sub.4 is C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, phenyl, C.sub.7 -C.sub.8 -aralkyl or cyclohexyl and R.sub.5 is hydrogen, methyl or phenyl and R.sub.6 denotes hydrogen or an aliphatic or aromatic, araliphatic or alicyclic acyl group with 1-18 C atoms, in which the aromatic part can optionally be substituted by chlorine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.8 -alkoxy and/or by hydroxyl, and R.sub.7 denotes C.sub.1 -C.sub.12 -alkyl, cyclohexyl, phenyl or benzyl, R.sub.2 is hydrogen or C.sub.1 -C.sub.8 -alkyl, R.sub.3 is C.sub.1 -C.sub.30 -alkyl, C.sub.1 -C.sub.30 -hydroxyalkyl, C.sub.2 -C.sub.30 -cyanoalkyl, C.sub.2 -C.sub.30 -alkoxyalkyl, C.sub.3 -C.sub.30 -alkoxycarbonylalkyl, C.sub.3 -C.sub.20 -alkenyl, C.sub.3 -C.sub.20 -alkynyl, C.sub.3 -C.sub.12 -cycloalkyl, C.sub.6 -C.sub.15 -aryl or C.sub.7 -C.sub.20 -aralkyl, Z is a monovalent to tetravalent 6-membered cycloaliphatic radical with a C.sub.1 -C.sub.2 bridge member, e is 1-4, m is 0-3 and e+m is 1-4, as stabilizers for organic material.
    • 其中R 1表示C 1 -C 30 - 烷基,C 3 -C 20 - 烯基,C 3 -C 20炔基,C 2 -C 30 - 氰基烷基,C 2 -C 30 - 烷氧基烷基,C 7 -C 20 - 烯基, 具有1-20个C原子或基团-CH 2 COOR 4,-CH 2 -CH(R 5)-OR 6,-COOR 7或 - 的基团的脂族,脂环族,芳族,芳脂族或杂环酰基的C 20 - 芳烷基,2,3-环氧丙基, CONHR7,其中R4是C1-C12-烷基,C3-C6-烯基,苯基,C7-C8-芳烷基或环己基,R5是氢,甲基或苯基,R6代表氢或脂族或芳族,芳脂族或脂环族酰基 具有1-18个C原子,其中芳族部分可以任选被氯,C 1 -C 4 - 烷基或C 1 -C 8 - 烷氧基和/或被羟基取代,并且R 7表示C 1 -C 12 - 烷基,环己基,苯基或苄基 ,R 2是氢或C 1 -C 8烷基,R 3是C 1 -C 30 - 烷基,C 1 -C 30羟基烷基,C 2 -C 30 - 氰基烷基,C 2 -C 30 - 烷氧基烷基,C 3 -C 30 - 烷氧基羰基烷基,C 3 -C 20 - 烯基,C 3 C 20 - 炔基,C 3 -C 12 - 环烷基,C 6 -C 15 - 芳基或C 7 -C 20 - 芳烷基,Z是一价至四价 作为C1-C2桥构件的6元环脂族基团,e为1-4,m为0-3,e + m为1-4,作为有机材料的稳定剂。