Preparation of phenylacetaldehydes
    11.
    发明授权
    Preparation of phenylacetaldehydes 失效
    苯乙醛的制备

    公开(公告)号:US4990684A

    公开(公告)日:1991-02-05

    申请号:US378984

    申请日:1989-07-12

    Abstract: Phenylacetaldehydes of the general formula I ##STR1## where each of R.sup.1 to R.sup.5 is independently of the others hydrogen, halogen, unsubstituted or halogen-substituted alkyl, alkenyl, alkoxyl, alkylthio or cycloalkyl, are prepared by converting glycidic esters of the general formula II ##STR2## where each of R.sup.1 to R.sup.5 is as defined above and R.sup.6 is tertbutyl or i-propyl, in the presence of zeolites and/or phosphates and/or phosphoric or boric acid on a carrier material and/or acidic metal oxides as catalysts.

    Abstract translation: 通式Ⅰ(I)的苯基乙醛通过将式(I)的缩水甘油酯转化成其中R1至R5各自独立地为氢,卤素,未取代或卤素取代的烷基,烯基,烷氧基,烷硫基或环烷基, 在载体材料上的沸石和/或磷酸盐和/或磷酸或硼酸存在下,通式II(II)其中R 1至R 5各自如上所定义,R 6为叔丁基或异丙基,和/ 或酸性金属氧化物作为催化剂。

    4-Methyl-4-phenyl-1-pentanals, their preparation and their use as scents
    13.
    发明授权
    4-Methyl-4-phenyl-1-pentanals, their preparation and their use as scents 失效
    4-甲基-4-苯基-1-戊醛,它们的制备及其用作香料

    公开(公告)号:US4837201A

    公开(公告)日:1989-06-06

    申请号:US194892

    申请日:1988-05-17

    CPC classification number: C11B9/0061 C07C45/50 C07C45/62 C07C45/75 C07C47/228

    Abstract: 4-methyl-4-phenyl-1-pentanals of the general formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is hydrogen or methyl, with the exception of 4-methyl-4-phenyl-1-pentanal, and the use of the methylphenylpentanals of the formula I for imparting fragrance properties to, or improving or modifying the fragrance properties of, perfumes and perfumed products, and the preparation of these compounds by hydroformylation of the corresponding 3-methyl-3-phenyl-1-butenes of the general formula II ##STR2## and, if required, subsequent reaction with formaldehyde and partial hydrogenation.

    Abstract translation: 其中R1是氢或C1-C4-烷基,R2是氢或甲基的4-甲基-4-苯基-1-戊醛,其中R 1是氢或甲基,除了4-甲基-4-苯基 -1-戊醛,以及使用式I的甲基苯基戊醛赋予香料性能或改善或改进香料和香料产品的香料性能,以及通过相应的3-甲基-1-戊醛的加氢甲酰化来制备这些化合物, 通式II的2-苯基-1-丁烯(II)和如果需要,随后与甲醛反应和部分氢化。

    Fungicidal piperidine derivatives
    14.
    发明授权
    Fungicidal piperidine derivatives 失效
    杀真菌哌啶衍生物

    公开(公告)号:US4673683A

    公开(公告)日:1987-06-16

    申请号:US772714

    申请日:1985-09-05

    Abstract: R.sup.2 and R.sup.3 are hydrogen or alkyl,R.sup.4 is hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, unsubstituted or substituted aralkyl, COR.sup.5, CO.sub.2 R.sup.6 or CONR.sup.7 R.sup.8,R.sup.5 and R.sup.6 are alkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl,R.sup.7 and R.sup.8 are hydrogen, alkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl andn is 0, 1, 2 or 3,and its plant-tolerated acid addition salts, excluding the compounds where, simultaneously, R.sup.4 is hydrogen, acetyl or propionyl, n is 0 or 1 and R.sup.1, R.sup.2 and R.sup.3 are hydrogen, and fungicides containing the novel piperidines and salts.

    Abstract translation: 其中R1是氢,烷基或卤素,R2和R3是氢或烷基,R4是氢,烷基,烯基,炔基,卤代烷基,卤代烯基,未取代的或取代的芳烷基,COR5,CO2R6或CONR7R8,R5和R6是烷基 ,未取代或取代的芳基或未取代或取代的芳烷基,R 7和R 8为氢,烷基,未取代或取代的芳基或未取代或取代的芳烷基,n为0,1,2或3及其植物耐受酸加成盐, 其中R4同时为氢,乙酰基或丙酰基,n为0或1,R1,R2和R3为氢的化合物,以及含有新颖的哌啶类和盐类的杀真菌剂。

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