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    • 5. 发明申请
    • PROCESS FOR PREPARING AN ESTER
    • 制备ESTER的方法
    • WO2011015385A1
    • 2011-02-10
    • PCT/EP2010/055862
    • 2010-04-29
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.HAAN, Rene, JohanLANGE, Jean-Paul
    • HAAN, Rene, JohanLANGE, Jean-Paul
    • C07C67/08
    • C07C67/08C07C67/00C07C69/24
    • A process for preparing an ester of formula (I): R 3 CH 2 - (CR 1 R 2 ) n -CH 2 -O-CO-(CR 1 R 2 ) n -CH 2 R 3 (I) wherein n is 1-3 and R 1 and R 2 are each, independently, a hydrogen atom or a carbon-linked organic group and R 3 is a carbon-linked organic group, by hydrogenation of a reactant selected from: (a) a lactone of formula (II) wherein n is 1-3 and R 1 and R 2 are each, independently, a hydrogen atom or a carbon-linked organic group and R 3 is a carbon-linked organic group; (b) an ester of a carboxylic acid of formula (III) R 4 -O-CO- (CR 1 R 2 ) n -CO-R 3 (III) wherein n is 1-3 and R 1 and R 2 are each, independently, a hydrogen atom or a carbon-linked organic group and R 3 and R 4 are a carbon-linked organic group; and c) a carboxylic acid of formula (IV) H-O-CO- (CR 1 R 2 ) n -CO-R 3 (IV) wherein n is 1-3 and R 1 and R 2 are each, independently, a hydrogen atom or a carbon-linked organic group and R 3 is a carbon-linked organic group; which process involves contacting the reactant with a heterogeneous catalyst comprising a hydrogenating metal in the presence of hydrogen, wherein the catalyst is a zeolite-free heterogeneous catalyst comprising a hydrogenating metal supported on a metal oxide or a mixed oxide.
    • 制备式(I)的酯的方法:R 3 -CH 2 - (CR 1 R 2)n -CH 2 -O-CO-(CR 1 R 2)n -CH 2 R 3(I)其中n为1-3,并且R 1和R 2各自独立地为 氢原子或碳连接的有机基团,并且R 3是碳连接的有机基团,通过氢化选自以下的反应物:(a)式(II)的内酯,其中n为1-3且R 1和R 2各自为氢, 独立地是氢原子或碳连接的有机基团,并且R 3是碳连接的有机基团; (b)式(III)的羧酸R 4 -O-CO-(CR 1 R 2)n -CO-R 3(III)的酯,其中n为1-3,并且R 1和R 2各自独立地为氢原子或 碳键的有机基团,R 3和R 4为碳键的有机基团; 和c)式(Ⅳ)HO-CO-(CR1R2)n-CO-R3(Ⅳ)的羧酸,其中n为1-3,R 1和R 2各自独立地为氢原子或碳键连接的有机 基团和R 3是碳键的有机基团; 该方法包括在氢气存在下使反应物与包含氢化金属的多相催化剂接触,其中所述催化剂是不含沸石的多相催化剂,其包含负载在金属氧化物上的氢化金属或混合氧化物。
    • 7. 发明申请
    • PROCESS FOR HYDROGENATION
    • 加氢方法
    • WO2011015643A1
    • 2011-02-10
    • PCT/EP2010/061458
    • 2010-08-06
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.HAAN, Rene, JohanLANGE, Jean-Paul
    • HAAN, Rene, JohanLANGE, Jean-Paul
    • C07C51/377C07C53/126
    • C07C51/377C07C53/126
    • A process for the hydrogenation of a reactant selected from: (a) a 5- or 6-membered lactone that is substituted at the ring-closing carbon atom and has a proton at a carbon atom adjacent to the ring-closing carbon atom; (b) an ester of a carboxylic acid having a gamma- carbonyl group and a proton at a carbon atom adjacent to the carbon atom of the carbonyl group; and (c) a carboxylic acid having a gamma-carbonyl group and a proton at a carbon atom adjacent to the carbon atom of the carbonyl group, which process involves contacting the reactant with a catalyst in the presence of hydrogen, at a temperature from 100 to 3500C and a pressure from 1 to 150 bar (absolute), provided the pressure is low enough to avoid condensation of the heaviest feed component at the temperature chosen, and wherein the catalyst is a weakly acidic heterogeneous catalyst comprising a hydrogenating metal.
    • 一种选自以下的反应物的氢化方法:(a)在闭环碳原子上被取代并在与闭环碳原子相邻的碳原子处具有质子的5-或6-元内酯; (b)在与羰基的碳原子相邻的碳原子处具有γ-羰基和质子的羧酸的酯; 和(c)在与羰基碳原子相邻的碳原子处具有γ-羰基和质子的羧酸,该方法包括在氢气存在下使反应物与催化剂接触,温度为100℃ 只要压力足够低以避免在所选择的温度下最重的进料组分的冷凝,并且其中催化剂是包含氢化金属的弱酸性非均相催化剂。
    • 8. 发明申请
    • PROCESS FOR CONVERTING LEVULINIC ACID INTO PENTANOIC ACID
    • 将维生素酸转化成苦味酸的方法
    • WO2009007391A1
    • 2009-01-15
    • PCT/EP2008/058901
    • 2008-07-09
    • Shell Internationale Research Maatschappij B.V.LANGE, Jean-Paul
    • LANGE, Jean-Paul
    • C07C51/377C07C53/126
    • C07C51/377C07C53/126
    • A process for converting levulinic acid into pentanoic acid, comprising the following steps: (a) supplying hydrogen and a feedstock comprising levulinic acid to a first catalytic zone comprising a strongly acidic catalyst and a hydrogenation metal; (b) converting, in the first catalytic zone, the levulinic acid at a temperature in the range of from 100 to 250 °C into gamma valerolactone to obtain a first effluent comprising gamma valerolactone; (c) supplying at least part of the first effluent to a second catalytic zone comprising a strongly acidic catalyst and a hydrogenation metal; and (d) converting, in the second catalytic zone, gamma valerolactone into pentanoic acid at a temperature in the range of from 200 to 350 °C to obtain a second effluent comprising pentanoic acid, wherein the conversion temperature in the first catalytic zone is lower than the conversion temperature in the second catalytic zone, and wherein the acidic catalyst and the hydrogenation metal in the first catalytic zone has the same composition as the acidic catalyst and the hydrogenation metal in the second catalytic zone.
    • 一种将乙酰丙酸转化为戊酸的方法,包括以下步骤:(a)向包含强酸性催化剂和氢化金属的第一催化区供应氢和包含乙酰丙酸的原料; (b)在第一催化区中将乙酰丙酸在100-250℃的温度范围内转化成γ-戊内酯,得到含有γ-戊内酯的第一流出液; (c)将至少部分第一流出物供应到包含强酸性催化剂和氢化金属的第二催化区; 和(d)在第二催化区域中将γ-戊内酯在200-350℃的温度范围内转化成戊酸,得到包含戊酸的第二流出物,其中第一催化区域的转化温度较低 其中第一催化区中的酸性催化剂和氢化金属与第二催化区中的酸性催化剂和氢化金属具有相同的组成。