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    Preparation of benzaldehyde dialkyl acetals
    1.
    发明授权
    Preparation of benzaldehyde dialkyl acetals 失效
    制备苯甲醛二烷基缩醛

    公开(公告)号：US4539081A

    公开(公告)日：1985-09-03

    申请号：US623210

    申请日：1984-06-21

    Applicant: Dieter Degner ,  Heinz Hannebaum ,  Hardo Siegel ,  Walter Gramlich

    Inventor： Dieter Degner ,  Heinz Hannebaum ,  Hardo Siegel ,  Walter Gramlich

    IPC: C07C43/307 ,  C25B3/02

    CPC classification number: C25B3/02

    Abstract: Benzaldehyde dialkyl acetals of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each alkyl, are prepared by electrochemical oxidation of an alkyltoluene of the formula ##STR2## by a process in which the electrolyte used contains from 60 to 90% by weight of an alkanol of the formula R.sup.2 OH, from 8.5 to 40% by weight of the alkyltoluene and from 0.01 to 1.5% by weight of an HO.sub.3 S-containing acid.

    Abstract translation: 其中R 1和R 2各自为烷基的通式为其中R 1和R 2各自为烷基的苯甲醛二烷基缩醛通过使用式Ⅱ的烷基甲苯的电化学氧化制备，其中使用的电解质包含60至90重量％ 式R2OH的烷醇，8.5至40重量％的烷基甲苯和0.01至1.5重量％的含HO 3 S的酸。

    Novel aliphatic aldehydes and their preparation
    3.
    发明授权
    Novel aliphatic aldehydes and their preparation 失效
    新型脂肪醛及其制备方法

    公开(公告)号：US4758548A

    公开(公告)日：1988-07-19

    申请号：US68116

    申请日：1987-06-30

    Applicant: Walter Gramlich ,  Hardo Siegel

    Inventor： Walter Gramlich ,  Hardo Siegel

    IPC: A61K8/33 ,  A61K8/00 ,  A61Q13/00 ,  C07C45/00 ,  C07C45/62 ,  C07C45/74 ,  C07C47/02 ,  C07C47/21 ,  C07C67/00 ,  C11B9/00 ,  C11D3/50 ,  A61K7/46

    CPC classification number: C11B9/0015 ,  C07C45/62 ,  C07C45/74 ,  C07C47/02 ,  C07C47/21

    Abstract: Aliphatic aldehydes of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl,R.sup.2 is a straight-chain or branched alkyl radical of 1 to 4 carbon atoms and the two radicals X are each hydrogen or together form a further C--C bond, in particular2,5,7,7-tetramethyloctanal,2,4,5,7,7-pentamethyloctanal,2-ethyl-5,7,7-trimethyloctanal and2,5,7,7-tetramethyl-2-octen-1-al, are used in scent compositions and are prepared by a process in which an aldehyde of the general formula II ##STR2## is condensed with an aldehyde of the general formula III ##STR3## in the presence of an aldol condensation catalyst to give the substituted octenal of the general formula I, and, if required, the latter is partially hydrogenated or reduced to give the ocorresponding octanal of the formula I.

    Abstract translation: 通式I的脂肪族醛（I）其中R 1是氢或甲基，R 2是1至4个碳原子的直链或支链烷基，并且两个基团X各自是氢或一起形成另外的CC 特别是2,5,7,7-四甲基辛酸，2,4,5,7,7-五甲基辛醛，2-乙基-5,7,7-三甲基辛那加和2,5,7,7-四甲基-2- 辛烯-1-al，用于香料组合物中，并且通过以下方法制备：其中通式II的醛（II）的醛与通式III的醛（III）在 存在醛醇缩合催化剂以得到通式I的取代的辛烯醛，如果需要，后者被部分氢化或还原，得到式I的相应的辛醛。

    Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparation and their use as scents
    4.
    发明授权
    Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparation and their use as scents 失效
    取代的4-甲基-4,7-二氢-1,3-二氧杂环己烯，它们的制备及其用作香料

    公开(公告)号：US4784985A

    公开(公告)日：1988-11-15

    申请号：US923214

    申请日：1986-10-27

    Applicant: Walter Gramlich ,  Hardo Siegel

    Inventor： Walter Gramlich ,  Hardo Siegel

    IPC: C07D321/00 ,  A61K8/49 ,  A61Q13/00 ,  C07D321/06 ,  C07D407/04 ,  C11B9/00 ,  C11D3/50 ,  A61K7/46

    CPC classification number: C07D407/04 ,  C07D321/06 ,  C11B9/0084

    Abstract: Substituted 4-methyl-4,7-dihydro-1,3-dioxepins of the general formula I ##STR1## where R.sup.1 is an alkyl of 1 to 12 carbon atoms which may furthermore contain oxygen in the form of an ether group, or a 5-membered to 8-membered ring which is unsubstituted or substituted by alkyl groups and/or an alkylene group, has up to 10 carbon atoms and may furthermore contain oxygen in the form of an ether group, and R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or methyl, with the exception of the compound 2-tert-butyl-4,7-dihydro-4,7-dimethyl-1,3-dioxepin, the preparation of substituted 4-methyl-4,7-dihydro-1,3-dioxepins and their use as scents and aromas, and scent compositions containing these compounds.

    Abstract translation: 通式I的取代的4-甲基-4,7-二氢-1,3-二氧杂环己烯（I）其中R 1是1至12个碳原子的烷基，其还可以含有醚基形式的氧 或未被取代或被烷基和/或亚烷基取代的5元至8元环具有至多10个碳原子，并且还可含有醚基形式的氧，并且R 2，R 3和 R 4各自为氢或甲基，但化合物2-叔丁基-4,7-二氢-4,7-二甲基-1,3-二氧杂环庚三烯除外，制备取代的4-甲基-4,7-二氢 -1,3-二氧杂环庚烯及其作为香料和香气的用途，以及含有这些化合物的香味组合物。

    4-Methyl-4-phenyl-1-pentanals, their preparation and their use as scents
    5.
    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

    Applicant: Walter Gramlich ,  Norbert Goetz ,  Hardo Siegel ,  Gerhard Schindler

    Inventor： Walter Gramlich ,  Norbert Goetz ,  Hardo Siegel ,  Gerhard Schindler

    IPC: C07C45/50 ,  C07C45/62 ,  C07C45/75 ,  C07C47/228 ,  C11B9/00

    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。

    2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, preparation and use thereof as scents
    6.
    发明授权
    2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, preparation and use thereof as scents 失效
    2-取代的4,4,7,7-四甲基-1,3-二氧杂环庚烷，其作为香料的制备和用途

    公开(公告)号：US4707302A

    公开(公告)日：1987-11-17

    申请号：US10420

    申请日：1987-02-03

    Applicant: Walter Gramlich ,  Hardo Siegel

    Inventor： Walter Gramlich ,  Hardo Siegel

    IPC: A61K8/49 ,  A61Q13/00 ,  C07D321/06 ,  C11B9/00 ,  A61K7/46 ,  C07C43/18

    CPC classification number: C07D321/06 ,  C11B9/0084

    Abstract: 2-Substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes of the general formula I ##STR1## where R.sup.1 is a straight-chain or branched alkyl of 1 to 10 carbon atoms which additionally may contain oxygen in the form of an ether group or is 5- to 8-membered cycloalkyl of up to 10 carbon atoms which may additionally contain oxygen in the form of an ether group, of which particularly interesting representatives are 2,4,4,7,7-pentamethyl-1,3-dioxacycloheptane, 2-tert.-butyl-4,4,7,7-tetramethyl-1,3-dioxacycloheptane and 2-isopropyl-4,4,7,7-tetramethyl-1,3-dioxacycloheptane, are prepared and used as scents.

    Abstract translation: 2-取代的通式I（I）的4,4,7,7-四甲基-1,3-二氧杂环庚烷，其中R1是1-10个碳原子的直链或支链烷基，另外可以含有氧 以醚基的形式，或最多10个碳原子的5至8元环烷基，其可以另外含有醚基形式的氧，其中特别有趣的代表是2,4,4,7,7 2-甲基-1,3-二氧杂环庚烷，2-叔丁基-4,4,7,7-四甲基-1,3-二氧杂环庚烷和2-异丙基-4,4,7,7-四甲基-1,3-二氧杂环庚烷， 二氧杂环庚烷，并用作香料。

    Preparation of 1,4-alkylenediamines
    9.
    发明授权
    Preparation of 1,4-alkylenediamines 失效
    1,4-亚烷基二胺的制备

    公开(公告)号：US5254738A

    公开(公告)日：1993-10-19

    申请号：US657632

    申请日：1991-02-19

    Applicant: Ulrich Koehler ,  Hardo Siegel ,  Matthias Irgang

    Inventor： Ulrich Koehler ,  Hardo Siegel ,  Matthias Irgang

    IPC: B01J23/889 ,  B01J27/185 ,  C07B61/00 ,  C07C209/48 ,  C07C211/09 ,  C07C211/27

    CPC classification number: C07C209/48

    Abstract: A process for the preparation of a 1,4-alkylenediamine of the general formula I ##STR1## in which the substituents R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1 -C.sub.10 -alkyl, phenyl or benzyl, by reacting a succinic dinitrile of the general formula II ##STR2## in which R.sup.1 and R.sup.2 have the meanings stated, with hydrogen at a temperature of from 30.degree. to 250.degree. C. and a pressure of from 50 to 350 bar in contact with a hydrogenation catalyst, wherein the hydrogenation catalyst used contains cobalt oxide and one or more oxides of the elements iron, nickel, manganese, chromium, molybdenum, tungsten, and phosphorus and one or more oxides of elements in the alkali metal group, alkaline earth metal group, and rare earth group of the Periodic Table, and of scandium, and/or of yttrium.

    Abstract translation: 制备通式I（I）的1,4-亚烷基二胺的方法，其中取代基R 1和R 2独立地为氢，C 1 -C 10 - 烷基，苯基或苄基，通过使琥珀酸二腈与 其中R1和R2具有所述含义的通式II（II），氢气在30℃至250℃的温度和50至350巴的压力下与氢化催化剂接触， 其中使用的氢化催化剂包含氧化钴和一种或多种元素铁，镍，锰，铬，钼，钨和磷的氧化物和一种或多种碱金属组元素，碱土金属组和稀有元素中的元素氧化物 周期表地球组，钪和/或钇。

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