Preparation of .alpha.-methylsubstituted carbonyl compounds
    1.
    发明授权
    Preparation of .alpha.-methylsubstituted carbonyl compounds 失效
    α-甲基取代羰基化合物的制备

    公开(公告)号:US4374274A

    公开(公告)日:1983-02-15

    申请号:US186130

    申请日:1980-09-11

    摘要: A process for the preparation of .alpha.-methylsubstituted ketones by reacting the corresponding non-methylsubstituted ketones with formaldehyde under hydrogenating conditions. The reaction proceeds easily and with good yields if a catalyst containing metallic palladium deposited on a zirconium, hafnium, titanium or tin phosphate is used. The products are valuable intermediates for the preparation of dyes, crop protection agents or drugs.

    摘要翻译: 通过在氢化条件下使相应的非甲基取代的酮与甲醛反应来制备α-甲基取代的酮的方法。 如果使用沉积在锆,铪,钛或磷酸锡上的含有金属钯的催化剂,则反应容易进行并且产率良好。 该产品是制备染料,作物保护剂或药物的有价值的中间体。

    Preparation of alpha-substituted upsilon-butyrolactones
    4.
    发明授权
    Preparation of alpha-substituted upsilon-butyrolactones 失效
    制备α-取代的上升 - 丁内酯

    公开(公告)号:US4831166A

    公开(公告)日:1989-05-16

    申请号:US47131

    申请日:1987-05-08

    CPC分类号: C07D307/33 C07D315/00

    摘要: .gamma.-butyrolactones of the general formula I ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms which may be substituted by lower alkoxy or acyloxy and R.sup.2 is hydrogen or straight-chain or branched alkyl which is unsubstituted or substituted by a functional group or is aryl, are prepared by reacting an alkylene oxide of the general formula II ##STR2## with an acylacetate of the general formla III ##STR3## where R.sup.1 and R.sup.2 have the above meanings and R.sup.3 and R.sup.4 are each alkyl of 1 to 6 carbon atoms or aryl, and R.sup.4 may furthermore be hydrogen, in the presence of a catalyst at elevated temperatures, by a process in which the reaction is carried out in the presence of an alkali metal halide, of an ammonium halide, preferably a quaternary ammonium halide, of a phosphonium halide, of an alkali metal phosphate or of an alkali metal carbonate at from 20.degree. to 200.degree. C. and under from 1 to 50 bar.

    摘要翻译: 通式I(I)的γ-丁内酯,其中R 1是氢或可以被低级烷氧基或酰氧基取代的具有1至4个碳原子的烷基,R 2是氢或未被取代的直链或支链烷基, 被官能团取代或是芳基,通过使通式II(II)的烯化氧与一般形式III(III)的酰基乙酸酯反应制备,其中R 1和R 2具有上述含义, R 3和R 4各自为1至6个碳原子的烷基或芳基,并且R 4还可以在催化剂存在下在升高的温度下通过其中反应在碱金属卤化物 卤化铵,碱金属磷酸盐或碱金属碳酸盐的卤化铵,优选季铵卤化物,在20至200℃和1至50巴之间。

    Preparation of alkylated dodechydronaphto[2,1-b]furans
    6.
    发明授权
    Preparation of alkylated dodechydronaphto[2,1-b]furans 失效
    制备烷基化的dodechydronaphto [2,1-b]呋喃

    公开(公告)号:US4918205A

    公开(公告)日:1990-04-17

    申请号:US250077

    申请日:1988-09-28

    CPC分类号: C07D307/92 C11B9/0076

    摘要: Alkylated dodecahydronaphtho[2,1-b]furans of the general formula I ##STR1## where R.sup.1 and R.sup.2 are identical and each is hydrogen or methyl are prepared by reacting alkylated 2-hydroxydecahydronaphthalene-1-ethanol of the formula II ##STR2## where R.sup.1 and R.sup.2 are as defined above, with a sulfonyl chloride in the presence of basic catalysts by performing the cyclization in the presence of concentrated aqueous alkali metal hydroxides and a phase transfer catalyst, preferably a tetra-substituted ammonium or phosphonium salt, the sulfonyl chloride used preferably comprising a sulfonyl chloride of the general formula IIIR.sub.3 -SO.sub.2 Clwhere R.sup.3 is C.sub.1 -C.sub.3 -alkyl or phenyl which may be substituted in the para position by methyl, chlorine, bromine or nitro.

    摘要翻译: 通式Ⅰ的烷基化十​​二氢萘并[2,1-b]呋喃,其中R 1和R 2相同,各自为氢或甲基,是通过使式II的烷基化的2-羟基十氢化萘-1-乙醇 在碱性催化剂的存在下,通过在浓碱碱金属氢氧化物和相转移催化剂,优选四取代的铵或相互转移的催化剂存在下进行环化,其中R 1和R 2如上定义,与磺酰氯反应, 所用的磺酰氯优选包含通式IIIR 3 -SO 2 Cl的磺酰氯,其中R 3是C 1 -C 3 - 烷基或可以在对位被甲基,氯,溴或硝基取代的苯基。

    Cooking device
    7.
    发明申请
    Cooking device 有权
    烹饪设备

    公开(公告)号:US20060049188A1

    公开(公告)日:2006-03-09

    申请号:US11256355

    申请日:2005-10-21

    IPC分类号: H05B6/68

    摘要: A cooking device including a cooking area, a door for closing the cooking area and a lighting system for lighting the cooking area. The lighting system includes a light source and at least one reflector arranged in the internal space of the door, which reflects light from the light source into the cooking area. In order to reduce mechanical strain applied to the light source, it is arranged outside the door and emits light towards the reflector inside the door to be reflected into the cooking area.

    摘要翻译: 一种烹饪装置,包括烹饪区域,用于关闭烹饪区域的门和用于照明烹饪区域的照明系统。 照明系统包括光源和布置在门的内部空间中的至少一个反射器,其将来自光源的光反射到烹饪区域中。 为了减少施加到光源的机械应变,它被布置在门外部并且朝向门内的反射器发射光以被反射到烹饪区域中。

    Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparation and
their use as scents
    9.
    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

    摘要: 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.

    摘要翻译: 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。

    Cooking device
    10.
    发明申请
    Cooking device 审中-公开
    烹饪设备

    公开(公告)号:US20060266347A1

    公开(公告)日:2006-11-30

    申请号:US10553255

    申请日:2004-04-23

    IPC分类号: F24C3/00

    摘要: A cooking device includes a cooking chamber and a lighting unit for illuminating the cooking chamber. The lighting unit includes a light source and a reflector having at least one reflector area, which reflects the light from the light source into the cooking chamber as diffuse scattered light (D). The lighting unit includes at least a second reflector area, which reflects light from the light source into the cooking chamber as one or more light cones (K).

    摘要翻译: 烹饪装置包括烹饪室和用于照明烹饪室的照明单元。 照明单元包括光源和具有至少一个反射器区域的反射器,其将来自光源的光作为漫射散射光(D)反射到烹饪室中。 照明单元包括至少第二反射器区域,其将来自光源的光作为一个或多个光锥(K)反射到烹饪室中。