USE OF 3-PHENYL-4-PENTENALS AND THEIR DERIVATIVES AS SCENTS
    8.
    发明申请
    USE OF 3-PHENYL-4-PENTENALS AND THEIR DERIVATIVES AS SCENTS 审中-公开
    使用3-苯基-4-戊烯醛及其衍生物的芳香剂

    公开(公告)号:WO1995030406A1

    公开(公告)日:1995-11-16

    申请号:PCT/EP1995001573

    申请日:1995-04-26

    CPC classification number: C07C45/513 C07C47/232 C07C49/217 C11B9/0061

    Abstract: Aromatic carbonyl compounds of general formula (I), wherein the radicals R to R are, independently of one another, hydrogen or an alkyl group with 1 to 4 C atoms, the radical R is hydrogen or an alkyl group with 1 to 4 C atoms and Ph is a phenyl group, are characterized by interesting fragrance qualities of great radiance and can be used as scents, for example in cosmetics, technical products or alcohol-based perfumes.

    Abstract translation: 通式(I)其中基团R <1>至R <3>独立地是氢或碳原子数为1〜4的烷基的芳族羰基化合物中,基团R C <4>是氢或具有1至4的烷基 -atoms和Ph是苯基,其特征在于,有趣的香调以极大的光彩,并且适合用作香料,例如 在筹备,工业产品或含酒精的香水化妆品。

    A METHOD FOR THE SYNTHESIS OF 'alpha', 'beta'-UNSATURATED KETONES
    9.
    发明申请
    A METHOD FOR THE SYNTHESIS OF 'alpha', 'beta'-UNSATURATED KETONES 审中-公开
    一种合成α,β-受体的酮的方法

    公开(公告)号:WO1991007370A1

    公开(公告)日:1991-05-30

    申请号:PCT/JP1990001487

    申请日:1990-11-15

    Abstract: The present invention relates to a method for the synthesis of alpha , beta -unsaturated ketones which comprises, in the method for the synthesis of alpha , beta -unsaturated ketones represented by general formula (I) (where R is an aliphatic group with a side chain at the 1 position, an alicyclic group, a substituted alicyclic group, a heterocyclic group, a substituted heterocyclic group, a phenyl group or a substituted phenyl group), reacting aldehydes represented by general formula (II): R CHO (where R is as defined above) with alkali metal salt of acetoacetic acid represented by general formula (III) (where M is an alkali metal ion), in the presence as a catalyst of 3-azabicyclo[3,2,2] nonane, a cyclic secondary amine represented by general formula (1) (where n is 3 or more and up to 5, m is 1 or more and up to 10, R is an alkyl group having 1 to 10 carbon atoms and of straight chain or with side chains, an alkyl group substituted by alicyclic groups or phenyl groups, an alicyclic group which may be substituted by lower alkyl groups, or a phenyl group which may be substituted by lower alkyl groups, and an R substitution position is at a carbon atom other than the two adjacent to N), a cyclic secondary amine represented by general formula (2) (where l is 1 or more and up to 6, a ring with N is a 6-membered, 7-membered or 8-membered ring, the two neighbors of N are methylene, R is a lower alkyl group, its substitution position is at a carbon atom other than the two adjacent to N, and (a) is an alicyclic group or a phenyl group), or a secondary amine represented by general formula (3): CH3NHCH2R (where R is an aliphatic group having 5 to 17 carbon atoms and of straight chain or with side chains, an alicyclic group which may be substituted by lower alkyl groups, a phenyl group which may be substituted by lower alkyl groups, or an alkyl group substituted by phenyl groups), in a mixture solvent of water and water-insoluble organic solvent, while keeping the pH constant with mineral acid, and by adjusting the amount of water.

    Abstract translation: 本发明涉及一种合成α,β-不饱和酮的方法,其包括在通式(I)表示的α,β-不饱和酮的合成方法中(其中R 1为脂族基团) 具有1个侧链的脂肪族基团,取代脂环族基团,杂环基团,取代的杂环基团,苯基基团或取代的苯基基团),使由通式(II)表示的醛:R 1 (III)表示的乙酰乙酸的碱金属盐(其中M +是碱金属离子)在作为3-氮杂双环的催化剂存在的情况下,将CHO(其中R 1如上定义)与乙酰乙酸的碱金属盐反应 [3,2,2]壬烷,由通式(1)表示的环状仲胺(其中n为3以上且至多5,m为1以上且至多10,R 2为烷基 具有1至10个碳原子并且具有直链或侧链,被脂环族基团或苯基取代的烷基, 可被低级烷基取代的脂环族基团或可被低级烷基取代的苯基,R 2取代位置在与N相邻的两个碳原子以外的碳原子上) 由通式(2)表示的胺(其中l为1以上且至多6,具有N的环为6元,7元或8元环,N的两个邻位为亚甲基,R 3为 >是低级烷基,其取代位置在与N邻接的两个以外的碳原子上,(a)是脂环族基或苯基)或由通式(3)表示的仲胺:CH3NHCH2R <4>(其中R 4是具有5至17个碳原子的直链或侧链的脂族基团,可以被低级烷基取代的脂环族基团,可被低级烷基取代的苯基 基团或被苯基取代的烷基)在水和水不溶性有机溶剂的混合溶剂中反应 用无机酸保持pH恒定,并调节水量。

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