Method for producing macrocyclic lactone
    1.
    发明授权
    Method for producing macrocyclic lactone 有权
    生产大环内酯的方法

    公开(公告)号:US06617304B1

    公开(公告)日:2003-09-09

    申请号:US09706732

    申请日:2000-11-07

    IPC分类号: A61K746

    CPC分类号: C07D315/00 C07D313/00

    摘要: The invention discloses a method for the production of a macrocyclic lactone represented by a formula (2), which comprises subjecting a hydroxycarboxylic acid ester represented by a formula (1) to intramolecular esterification reaction. In the formulae (1) and (2), m is an integer of from 5 to 10, n is an integer wherein m+n becomes from 11 to 16, X represents —CH2—, —CH═CH—, —O—, —S— or —NH—, and R represents a hydrocarbon group having from (m+n+2) to 40 carbon atoms or a group represented by —(AO)pR1 wherein AO represents an alkyleneoxy group having from 2 to 4 carbon atoms, p is average addition mole number of alkylene oxide and R1 represents a hydrocarbon group having a specified number of carbon atoms so that the total number of carbon atoms of the —(AO)pR1 group becomes from (m+n+2) to 40.

    摘要翻译: 本发明公开了一种制备由式(2)表示的大环内酯的方法,其包括使由式(1)表示的羟基羧酸酯进行分子内酯化反应。在式(1)和(2)中, m为5〜10的整数,n为整数,m + n为11〜16,X为-CH 2 - , - CH = CH - , - O - , - S-或-NH-,R 表示具有(m + n + 2)〜40个碳原子的烃基或由 - (AO)pR1表示的基团,其中AO表示具有2至4个碳原子的亚烷氧基,p表示环氧烷的平均加成摩尔数 并且R 1表示具有特定碳原子数的烃基,使得 - (AO)pR1基团的碳原子总数变为(m + n + 2)至40。

    Process for producing hydroxycarboxylic acid ester
    2.
    发明授权
    Process for producing hydroxycarboxylic acid ester 有权
    羟基羧酸酯的制备方法

    公开(公告)号:US06495706B2

    公开(公告)日:2002-12-17

    申请号:US09863460

    申请日:2001-05-24

    IPC分类号: C07C5136

    摘要: The present invention provides a process for producing hydroxycarboxylic acid esters easily, further at a high reaction selectivity, by using an inexpensive catalyst. That is, the present invention provides a process for producing hydroxycarboxylic acid esters, which comprises hydrogenating dicarboxylic acid diesters having 3 to 20 carbon atoms in the dicarboxylic acid moiety in the presence of a copper catalyst comprising 1 to 40% by weight of copper as copper oxides.

    摘要翻译: 本发明提供了通过使用便宜的催化剂,容易地以高反应选择性制备羟基羧酸酯的方法。 也就是说,本发明提供一种羟基羧酸酯的制造方法,其包括在铜催化剂的存在下,在二羧酸部分中氢化具有3〜20个碳原子的二羧酸二酯,所述铜催化剂包含1〜40重量%的铜作为铜 氧化物。

    Process for preparing unsaturated alcohol
    3.
    发明授权
    Process for preparing unsaturated alcohol 失效
    不饱和醇的制备方法

    公开(公告)号:US5874649A

    公开(公告)日:1999-02-23

    申请号:US945674

    申请日:1997-11-05

    IPC分类号: C07C29/14 C07C35/06

    CPC分类号: C07C29/14 C07C2101/10

    摘要: The object of the present invention resides in efficiently providing unsaturated alcohol from an .alpha.,.beta.-unsaturated aldehyde.The present invention provides a process for preparing unsaturated alcohol by selectively reducing the aldehyde group of an .alpha.,.beta.-unsaturated aldehyde in the presence of a primary or a secondary alcohol having 2 to 8 carbon atoms using an aluminum alcoholate to produce an unsaturated alcohol such as compounds represented by the formula (III). ##STR1## (wherein R represents an alkyl group having 1 to 3 carbon atoms) wherein the reaction is carried out with addition of a protonic acid.

    摘要翻译: PCT No.PCT / JP97 / 00669 Sec。 371日期:1997年11月5日 102(e)日期1997年11月5日PCT 1997年3月5日PCT公布。 公开号WO97 / 32836 日本1997年9月12日本发明的目的在于有效地提供不饱和醇的α,β-不饱和醛。 本发明提供了一种制备不饱和醇的方法,该方法通过使用醇铝来选择性地还原具有2-8个碳原子的伯或仲醇存在下的α,β-不饱和醛的醛基,以产生不饱和醇, 作为由式(III)表示的化合物。 (III)(其中R表示碳原子数1〜3的烷基),其中通过加入质子酸进行反应。

    Process for producing nitrile
    7.
    发明授权
    Process for producing nitrile 有权
    制备腈的方法

    公开(公告)号:US06320067B1

    公开(公告)日:2001-11-20

    申请号:US09579436

    申请日:2000-05-26

    IPC分类号: C07C25320

    CPC分类号: C07C253/00 C07C255/07

    摘要: A nitrile having formula (2): RC≡N  (2) wherein R represents a substituted or unsubstituted alkyl, alkenyl, aralkyl or aryl group having 3 to 20 carbon atoms, is produced by a process, which comprises heating an aldoxime having formula (1): RCH═NOH  (1) wherein R is as defined above, at 80 to 250° C. in the presence of a catalyst (A) of an alkali metal or alkaline earth metal salt of a saturated or unsaturated mono- or dicarboxylic acid having 2 to 20 carbon atoms while removing product water from the reaction system by distillation.

    摘要翻译: 具有式(2)的腈:其中R表示取代或未取代的具有3至20个碳原子的烷基,烯基,芳烷基或芳基,通过包括加热具有式(1)的醛肟的方法制备:其中R为 在80-250℃下,在具有2-20个碳原子的饱和或不饱和一元或二羧酸的碱金属或碱土金属盐的催化剂(A)的存在下,同时从 反应体系通过蒸馏。

    Perfume base composition
    10.
    发明授权
    Perfume base composition 失效
    香水基础组成

    公开(公告)号:US5962403A

    公开(公告)日:1999-10-05

    申请号:US146

    申请日:1998-02-02

    CPC分类号: C11D3/505 C11B9/0061

    摘要: The present invention relates to a perfume base composition comprising a carrier and a benzyl-substituted cyclohexanol having formula (1), wherein the dashed line denotes an optional double bond and the benzyl group is in the 2-, 3- or 4-position of the cyclohexanol ring, with the proviso that the benzyl group is in the 4-position when a double bond is present in the cyclohexanol ring. The composition has not only a well-balanced fragrance but also excellent retentivity of fragrance.

    摘要翻译: PCT No.PCT / JP96 / 02176 Sec。 371日期1998年2月2日 102(e)1998年2月2日PCT 1996年8月2日PCT PCT。 公开号WO97 / 06234 日本特开2005年2月20日本发明涉及包含载体和式(1)的苄基取代的环己醇的香料基础组合物,其中虚线表示任选的双键,苄基在2-,3- 或环己醇环的4-位,条件是当在环己醇环中存在双键时,苄基为4-位。 该组合物不仅具有均匀的香味,而且具有优异的香味保留性。