Hydrogenated indenopyrans and their use in aromatic compositions
    1.
    发明授权
    Hydrogenated indenopyrans and their use in aromatic compositions 失效
    氢化茚反相及其在芳族组合物中的用途

    公开(公告)号:US4271047A

    公开(公告)日:1981-06-02

    申请号:US105254

    申请日:1979-12-19

    IPC分类号: C11B9/00 C07D311/78 A61K7/46

    CPC分类号: C11B9/008

    摘要: This invention is directed to compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen or a methyl radical, with the proviso that only one of R.sub.1 and R.sub.2 is methyl radical, as well as to aromatic compositions containing said compounds and the use of such aromatic compositions to impart desired odors.

    摘要翻译: 本发明涉及式IMA的化合物,其中R 1和R 2各自独立地为氢或甲基,条件是R 1和R 2中仅有一个为甲基,以及含有所述化合物的芳族组合物和 使用这种芳族组合物来赋予所需的气味。

    Terpene derivatives and perfume compositions containing them
    5.
    发明授权
    Terpene derivatives and perfume compositions containing them 失效
    含有它们的萜烯衍生物和香料组合物

    公开(公告)号:US4545930A

    公开(公告)日:1985-10-08

    申请号:US398555

    申请日:1982-07-15

    CPC分类号: C07D307/94 C11B9/0088

    摘要: This invention is directed to terpene derivatives. More particularly, this invention relates to a mixture of isomers of the formula ##STR1## wherein R.sub.1 and R.sub.2, which are different from each other, are each methyl or isopropyl, the preparation thereof, and perfume compositions containing them.

    摘要翻译: 本发明涉及萜烯衍生物。 更具体地说,本发明涉及下式的异构体混合物,其中R1和R2彼此不同,各自为甲基或异丙基,其制备物和含有它们的香料组合物。

    Preparation of 13-oxabicyclo[10.3.0]pentadecane
    6.
    发明授权
    Preparation of 13-oxabicyclo[10.3.0]pentadecane 失效
    13-氧杂二环[10.3.0]十五烷的制备

    公开(公告)号:US4360468A

    公开(公告)日:1982-11-23

    申请号:US306771

    申请日:1981-09-29

    IPC分类号: C07D307/93

    CPC分类号: C07D307/93

    摘要: This invention relates to the preparation of 13-oxabicyclo[10.3.0]pentadecane. More specifically, this invention relates to a process for preparing 13-oxabicyclo[10.3.0]pentadecane which comprises the steps of:(a) reacting cyclododecanone with elemental bromine in an organic solvent to form .alpha.-bromocyclododecanone;(b) reacting .alpha.-bromocyclododecanone with malonic acid dialkyl ester and alkali metal alcoholate to form the ketodiester 2-(2-oxocyclododec-1-yl)-malonic acid dialkyl ester;(c) hydrolyzing and decarboxylating the ketodiester from step (b) to from the corresponding 2-oxocyclododec-1-yl-acetic acid in an aqueous alkaline solution;(d) purifying the product of step (c) by extraction with an organic solvent and obtaining 2-oxocyclododec-1-yl-acetic acid;(e) reacting the product of step (d) with a lower alcohol to form a corresponding ester;(f) reducing the product of step (e) with a complex metallic hydride to form 2-(2-hydroxyethyl)-cyclododecanol; and(g) heating the product of step (f) in the presence of an acid catalyst to form 13-oxabicyclo[10.3.0]pentadecane.

    摘要翻译: 本发明涉及13-氧杂双环[10.3.0]十五烷的制备。 更具体地说,本发明涉及一种制备13-氧杂二环[10.3.0]十五烷的方法,该方法包括以下步骤:(a)使环十二酮与元素溴在有机溶剂中反应形成α-溴环十二烷酮; (b)使α-溴环十二酮与丙二酸二烷基酯和碱金属醇化物反应以形成酮基2-(2-氧代环十二烷-1-基) - 丙二酸二烷基酯; (c)在碱性水溶液中将酮步骤从步骤(b)水解和脱羧至相应的2-氧代环十二烷-1-基 - 乙酸; (d)通过用有机溶剂萃取纯化步骤(c)的产物,得到2-氧代环十二烷-1-基 - 乙酸; (e)使步骤(d)的产物与低级醇反应形成相应的酯; (f)用复合金属氢化物还原步骤(e)的产物以形成2-(2-羟乙基) - 环十二烷醇; 和(g)在酸催化剂的存在下加热步骤(f)的产物以形成13-氧杂二环[10.3.0]十五烷。

    6(9)-Isopropyl-9(6)-methyl-6,9-ethano-2-oxaspiro[4,5]dec-7-enes
    8.
    发明授权
    6(9)-Isopropyl-9(6)-methyl-6,9-ethano-2-oxaspiro[4,5]dec-7-enes 失效
    6(9) - 异丙基-9(6) - 甲基-6,9-乙炔-2-氧杂螺[4,5]癸-7-烯

    公开(公告)号:US4351772A

    公开(公告)日:1982-09-28

    申请号:US323430

    申请日:1981-11-20

    CPC分类号: C07D307/94 C11B9/0088

    摘要: This invention is directed to terpene derivatives. More particularly, this invention relates to a mixture of isomers of the formula ##STR1## wherein R.sub.1 and R.sub.2, which are different from each other, are each methyl or isopropyl, the preparation thereof, and perfume compositions containing them.

    摘要翻译: 本发明涉及萜烯衍生物。 更具体地说,本发明涉及下式的异构体混合物,其中R1和R2彼此不同,各自为甲基或异丙基,其制备物和含有它们的香料组合物。

    2,4-Dioxa-spiro(5,5)undec-8-ene perfume compositions
    9.
    发明授权
    2,4-Dioxa-spiro(5,5)undec-8-ene perfume compositions 失效
    2,4-二氧代螺(5,5)十一碳-8-烯香料组合物

    公开(公告)号:US4113664A

    公开(公告)日:1978-09-12

    申请号:US765531

    申请日:1977-02-04

    CPC分类号: C07D319/08 C11B9/008

    摘要: A perfumery composition consisting essentially of from 1% to 50% by weight of a 2,4-dioxa-spiro(5,5)undec-8-en of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are members selected from the group consisting of hydrogen and methyl, R.sub.4 is a member selected from the group consisting of hydrogen, alkyl having 1 to 4 carbon atoms, methoxy, ethoxy, vinyl and 1-propenyl, R.sub.5 is a member selected from the group consisting of hydrogen and alkyl having 1 to 4 carbon atoms, and R.sub.4 and R.sub.5 taken together are --(CH.sub.2).sub.n -- where n is an integer from 4 to 6, and the remainder, customary constituents of perfumery compositions. Some of the compounds are novel.

    摘要翻译: 基本上由1%至50%重量的式(IMAGE)的2,4-二氧杂 - 螺(5,5)十一碳-8-en组成的香料组合物,其中R 1,R 2和R 3为选自 由氢和甲基组成的组,R4是选自氢,具有1-4个碳原子的烷基,甲氧基,乙氧基,乙烯基和1-丙烯基的成员,R5是选自氢和烷基的成员 具有1至4个碳原子,并且R 4和R 5一起为 - (CH 2)n - ,其中n为4-6的整数,其余为香料组合物的常规组分。 一些化合物是新的。