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    • 8. 发明授权
    • Piperidine derivatives and their use as stabilizers
    • 哌啶衍生物及其用作稳定剂
    • US3941744A
    • 1976-03-02
    • US339772
    • 1973-03-12
    • Keisuke MurayamaSyoji MorimuraTakao YoshiokaToshimasa TodaEiko MoriHideo HoriuchiSusumu HigashidaKatsuaki MatsuiTomoyuki KurumadaNoriyuki OhataHisayou Ohsawa
    • Keisuke MurayamaSyoji MorimuraTakao YoshiokaToshimasa TodaEiko MoriHideo HoriuchiSusumu HigashidaKatsuaki MatsuiTomoyuki KurumadaNoriyuki OhataHisayou Ohsawa
    • C07D498/10C07D519/00C07F9/553C08K5/3435C08K5/00
    • C07D498/10C07D519/00C07F9/5532C07F9/5537C08K5/3435
    • Piperidine derivatives having the formula ##SPC1##WhereinR' represents an alkyl group, a substituted alkyl group, an acyl group, an alkoxycarbonyl group, a substituted alkoxycarbonyl group, an amino group, a substituted amino group, or nitroso group;X represents oxygen atom or sulfur atom;Y represents oxygen atom, sulfur atom or a group of the formula = N -- R" in which R" is hydrogen atom, an alkyl group or a substituted alkyl group;Z represents oxygen atom or a group of the formula >N -- R'" in which R'" is hydrogen atom, an alkyl group or a substituted alkyl group;n is an integer of 1 through 4 inclusive; andR represents, when n is 1, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, a cycloalkyl group, an alkoxycarbonyl group, a substituted alkoxycarbonyl group, a substituted phosphino group or a substituted phosphinyl group, when n is 2, an alkylene group, an alkenylene group, an arylene group, a substituted arylene group, an aralkylene group; an alkylenediphenylene group, a bis-(acyloxyalkylene) group, an alkylene-bis-(oxycarbonylalkyl) group, a dialkylene ether group or a diphenylene ether group, when n is 3, an alkanetriyl group, a tris(acyloxyalkylene) group, an alkane-tris(oxycarbonylakyl) group or a group of the group ##SPC2##In whichp is an integer of 1 through 8 inclusive, and, when n is 4, an alkanetetrayl group, a tetrakis-(acyloxyalkylene) group or an alkane-tetrakis-(oxycarbonylalkyl) group.The piperidine derivatives (I) of this invention are prepared in various manners and useful as stabilizers for synthetic polymers against thermal- and photo-deterioration thereof.
    • 具有式WHEREIN R'的哌啶衍生物代表烷基,取代的烷基,酰基,烷氧基羰基,取代的烷氧基羰基,氨基,取代的氨基或亚硝基; X表示氧原子或硫原子; Y表示氧原子,硫原子或式“N-R”的基团,其中R“为氢原子,烷基或取代的烷基; Z表示氧原子或式“N-R”'的基团,其中R“'是氢原子,烷基或取代的烷基; N是整数1,通过4包含; 当n为1时,R表示烷基,取代烷基,芳基,取代芳基,环烷基,烷氧基羰基,取代的烷氧基羰基,取代的膦基或取代的氧膦基, 当n为2时,亚烷基,亚烯基,亚芳基,取代亚芳基,亚芳烷基; 亚烷基亚苯基,双 - (酰氧基亚烷基)基,亚烷基 - 双 - (氧羰基烷基)基,二亚烷基醚基或二亚苯基醚基,当n为3时,烷三基,三(酰氧亚烷基) - 三(氧羰基烷基)基团或一组基团,其中P为整数1,通过8包含,以及,当N为4时,烷基取代基,四烯基((ACYLOXYALKYLENE))基团或烷基 - 四烯基((OXYCARBONYLALKYL) )GROUP。