专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5196609A Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals 失效
标题翻译： 3-烷氧羰基丙酸和3-二烷氧基甲基丙酸的制备
公开(公告)号：US5196609A
公开(公告)日：1993-03-23
申请号：US844317
申请日：1992-03-02
申请人： Werner Aquila , Hans-Ulrich Scholz , Hartwig Fuchs , Wolfgang Krause , Joachim Paust , Werner Hoffmann
发明人： Werner Aquila , Hans-Ulrich Scholz , Hartwig Fuchs , Wolfgang Krause , Joachim Paust , Werner Hoffmann
IPC分类号： C07D317/26 , B01J23/50 , B01J23/72 , C07B61/00 , C07C41/18 , C07C43/178 , C07C45/38 , C07C47/277 , C07C67/313 , C07C69/73 , C07D319/06
CPC分类号： C07D319/06 , C07C45/38 , C07C67/313
摘要： The preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals of the general formulae Ia and Ib respectively: ##STR1## (R.sup.1 =C.sub.1 -C.sub.3 -alkyl group; R.sup.2 and R.sup.3 =hydrogen, methyl, or ethyl; and R.sup.4 and R.sup.5 =C.sub.1 -C.sub.4 -alkyl groups, which may be joined to form a 5-membered or 6-membered ring), is effected by reacting a corresponding alcohol of the general formula IIa or IIb ##STR2## with oxygen or an oxygen-containing gas in the gas phase in the presence of a metal from Group IB of the Periodic Table or a compound of one such metal acting as catalyst.The target products serve as intermediates for the synthesis of carotenoids.
摘要翻译：分别制备通式Ia和Ib的3-烷氧基羰基丙烯和3-二烷氧基甲基丙烯醛：（R1 = C1-C3-烷基; R2和R3 =氢，甲基或乙基; R4和R5 = 可以连接形成5元或6元环的C 1 -C 4 - 烷基）通过使通式IIa或IIb的相应的醇与氧或含氧气体反应来进行在周期表的IB族的金属存在下的气相或一种这样的金属作为催化剂的化合物。目标产物用作合成类胡萝卜素的中间体。

2. 发明授权

US06242653B1 Process for the preparation of &agr;-diketones from ketols or ketals from ketols 失效
标题翻译：从酮基酮或酮缩酮制备α-二酮的方法
公开(公告)号：US06242653B1
公开(公告)日：2001-06-05
申请号：US09377732
申请日：1999-08-19
申请人： Werner Aquila , Jörg Botzem , Melanie Brunner , Hartwig Fuchs , Wolfgang Krause , Klaus Pandl , Ulrich Schäfer-Lüderssen
发明人： Werner Aquila , Jörg Botzem , Melanie Brunner , Hartwig Fuchs , Wolfgang Krause , Klaus Pandl , Ulrich Schäfer-Lüderssen
IPC分类号： C07C4529
CPC分类号： C07C45/39 , C07C45/515 , C07C49/12 , C07C49/175 , C07C49/517
摘要： The process for the preparation of carbonyl compounds of the formula I where R1 and R2 are a hydrocarbon radical, or R1 and R2 together are an unsubstituted or substituted alkylene group, and X is=O or two alkoxy groups, comprises oxidizing alcohols of the formula II where R1 to R2 and X are as defined above, with oxygen in the gaseous phase a) at temperatures of from 270 to 600° C. on silver coated catalysts which comprise an abrasion-resistant coating of metallic silver on a core of inert support material, or b) at temperatures of from 450 to 750° C. on silver crystals and/or copper crystals having a particle size of from 0.1 to 2.5 mm for a residence time of at most 0.1 second. Also claimed is an advantageous overall process for the preparation of &agr;-diketones, preferably diacetal, from the corresponding ketone, in particular methyl ethyl ketone, via the carbonyl compounds of the formula I where X is two alkoxy groups.
摘要翻译：制备式I的羰基化合物的方法，其中R 1和R 2是烃基，或者R 1和R 2一起是未取代或取代的亚烷基，并且X是= O或两个烷氧基，包括氧化式II的醇，其中R 1 在含有惰性载体材料芯上的金属银的耐磨涂层的银涂覆的催化剂上，在温度为270-600℃的温度下，R2和X如上定义，在气相中为氧）在450至750℃的温度下，在银晶体和/或具有0.1至2.5mm的粒度的铜晶体上，停留时间至多为0.1秒。还要求保护的是制备α 二酮，优选二缩醛，通过其中X是两个烷氧基的式I的羰基化合物从相应的酮，特别是甲基乙基酮中获得。

3. 发明授权

US06316676B1 Process for the preparation of &agr;-diketones from ketols or ketals from ketols 失效
标题翻译：从酮基酮或酮缩酮制备α-二酮的方法
公开(公告)号：US06316676B1
公开(公告)日：2001-11-13
申请号：US09794075
申请日：2001-02-28
申请人： Werner Aquila , Jörg Botzem , Melanie Brunner , Hartwig Fuchs , Wolfgang Krause , Klaus Pandl , Ulrich Schäfer-Lüderssen
发明人： Werner Aquila , Jörg Botzem , Melanie Brunner , Hartwig Fuchs , Wolfgang Krause , Klaus Pandl , Ulrich Schäfer-Lüderssen
IPC分类号： C07C4529
CPC分类号： C07C45/39 , C07C45/515 , C07C49/12 , C07C49/175 , C07C49/517
摘要： The process for the preparation of carbonyl compounds of the formula I where R1 and R2 are a hydrocarbon radical, or R1 and R2 together are an unsubstituted or substituted alkylene group, and X is ═O or two alkoxy groups, comprises oxidizing alcohols of the formula II where R1 to R2 and X are as defined above, with oxygen in the gaseous phase a) at temperatures of from 270 to 600° C. on silver coated catalysts which comprise an abrasion-resistant coating of metallic silver on a core of inert support material, or b) at temperatures of from 450 to 750° C. on silver crystals and/or copper crystals having a particle size of from 0.1 to 2.5 mm for a residence time of at most 0.1 second. Also claimed is an advantageous overall process for the preparation of &agr;-diketones, preferably diacetal, from the corresponding ketone, in particular methyl ethyl ketone, via the carbonyl compounds of the formula I where X is two alkoxy groups.
摘要翻译：制备式I其中R 1和R 2的羰基化合物的方法是烃基，或者R 1和R 2一起是未取代或取代的亚烷基，并且X是= O或两个烷氧基，包括将式II的氧化醇，其中R 1 在含有惰性载体材料芯上的金属银的耐磨涂层的银涂覆的催化剂上，在温度为270-600℃的温度下，R2和X如上定义，在气相中为氧）在450至750℃的温度下，在银晶体和/或具有0.1至2.5mm的粒度的铜晶体上，停留时间至多为0.1秒。还要求保护的是制备α 二酮，优选二缩醛，通过其中X是两个烷氧基的式I的羰基化合物从相应的酮，特别是甲基乙基酮中获得。

4. 发明授权

US06518464B2 Continuous process for the preparation of acetals 有权
公开(公告)号：US06518464B2
公开(公告)日：2003-02-11
申请号：US09945642
申请日：2001-09-05
申请人： Jörg Therre , Gerd Kaibel , Werner Aquila , Günter Wegner , Hartwig Fuchs
发明人： Jörg Therre , Gerd Kaibel , Werner Aquila , Günter Wegner , Hartwig Fuchs
IPC分类号： C07C4302
CPC分类号： C07C41/56 , C07C41/58 , C07C43/303
摘要： The present invention relates to a continuous process for the preparation of unsaturated acetals by reacting olefinically unsaturated aliphatic compounds with allyl alcohols in a reaction column, where the reactants are only partially reacted in the reaction column, the resulting acetal is concentrated in at least two successive evaporation stages, and the recovered reactants are returned to the reaction column.

5. 发明授权

US06369277B1 Selective liquid-phase hydrogenation of &agr;,&bgr;-unsaturated carbonyl compounds 失效
标题翻译： α，β-不饱和羰基化合物的选择性液相氢化
公开(公告)号：US06369277B1
公开(公告)日：2002-04-09
申请号：US09645583
申请日：2000-08-25
申请人： Franz Josef Broecker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Guenter Wegner , Manfred Stroezel
发明人： Franz Josef Broecker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Guenter Wegner , Manfred Stroezel
IPC分类号： C07C4562
CPC分类号： C07C45/62 , B01J8/20 , B01J8/22 , B01J19/2465 , B01J19/2495 , B01J2219/00103 , B01J2219/0011 , B01J2219/32 , C07C47/21
摘要： An &agr;,&bgr;-unsaturated carbonyl compound of formula (I) where R1 is saturated C1-40-hydrocarbyl or a substituted or unsubstituted aromatic radical containing moiety, and R2, R3 and R4, independently of one another, are hydrogen or a C1- to C4-alkyl group, is selectively hydrogenated in the liquid phase to a saturated carbonyl compound of formula (II) with hydrogen in the presence of a pulverulent palladium and/or rhodium catalyst and in the presence of an organic base, by conducting the hydrogenation in a packed bubble column reactor in which product is recycled and hydrogen gas is recirculated.
摘要翻译：其中R 1为饱和C 1-40烃基或取代或未取代的含芳基部分的式（I）的α，β-不饱和羰基化合物，R 2，R 3和R 4彼此独立地为氢或C1- 通过氢气在粉状钯和/或铑催化剂存在下，在有机碱的存在下，在液相中选择性地氢化成式（II）的饱和羰基化合物，通过进行氢化在包装泡罩塔反应器中，其中产物被再循环并且氢气被再循环。

6. 发明授权

US6013843A Continuous industrial production of unsaturated aliphatic aldehydes in a tube bundle reactor 失效
标题翻译：在管束反应器中连续工业生产不饱和脂族醛
公开(公告)号：US6013843A
公开(公告)日：2000-01-11
申请号：US85836
申请日：1998-05-28
申请人： Werner Aquila , Hartwig Fuchs , Otto Worz , Wilhelm Ruppel , Klaus Halbritter
发明人： Werner Aquila , Hartwig Fuchs , Otto Worz , Wilhelm Ruppel , Klaus Halbritter
IPC分类号： B01J23/52 , B01J8/02 , B01J8/08 , C07B61/00 , C07C45/38 , C07C45/67 , C07C47/21 , C07C47/22 , C07C45/00
CPC分类号： C07C45/38 , B01J8/0242 , B01J8/087 , C07C45/67 , B01J2208/00212
摘要： A process for continuous industrial production of unsaturated aliphatic aldehydes having a boiling range from 95 to 136.degree. C. by oxidative dehydrogenation of the corresponding alcohols with an oxygen-comprising gas over a supported catalyst consisting of copper, silver and/or gold on an inert support in a tube bundle reactor, rapid cooling of the reaction gases and removal of the aldehydes from the resulting condensate with recycling of the unconverted alcohols comprisesa) vaporizing the alcohol,b) admixing the alcohol vapor with an oxygen-comprising gas,c) initially passing the resulting oxygen-comprising alcohol vapor at above the dew point of the alcohol but below the commencement temperature of the reaction through a layer of one of the abovementioned supported catalysts which is at least 0.5 cm in thickness and only thend) reacting the oxygen-comprising alcohol vapor at from 300 to 600.degree. C. in a sufficient number, for the desired capacity, of parallel reaction tubes surrounded by a fluidic heat transfer medium, packed with the supported catalyst and having an internal diameter D of from about 0.5 to 3 cm and a length of at least 5 cm, to form the corresponding aldehyde.
摘要翻译：通过相对应的醇与含氧气体在由铜，银和/或金组成的负载型催化剂上惰性惰性的连续工业生产不饱和脂族醛的方法，其沸程为95至136℃ 在管束反应器中的支撑，反应气体的快速冷却以及未转化的醇的再循环从所得冷凝物中除去醛包括a）蒸发醇，b）将醇蒸气与含氧气体混合，c）首先将所得的含氧醇醇蒸气在醇的露点以上但低于反应开始温度的上述负载型催化剂层中的至少0.5cm厚度，然后d）使含氧的醇蒸气在300-600℃下以足够的数量容纳所需的并联反应管由流体传热介质引入，填充有负载的催化剂并且具有约0.5至3cm的内径D和至少5cm的长度以形成相应的醛。

7. 发明授权

US6150564A Selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds 失效
标题翻译： α，β-不饱和羰基化合物的选择性液相氢化
公开(公告)号：US6150564A
公开(公告)日：2000-11-21
申请号：US275867
申请日：1999-03-25
申请人： Franz Josef Brocker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Gunter Wegner , Manfred Stroezel
发明人： Franz Josef Brocker , Gerd Kaibel , Werner Aquila , Hartwig Fuchs , Gunter Wegner , Manfred Stroezel
IPC分类号： B01J23/44 , B01J8/20 , B01J8/22 , B01J19/24 , B01J23/46 , C07B61/00 , C07C45/62 , C07C49/04
CPC分类号： C07C45/62 , B01J19/2465 , B01J19/2495 , B01J8/20 , B01J8/22 , B01J2219/00103 , B01J2219/0011 , B01J2219/32
摘要： The invention relates to a process for the selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I, ##STR1## where R.sub.1 is hydrogen or an organic radical, and R.sub.2, R.sub.3 and R.sub.4, independently of one another, are hydrogen or a C.sub.1 -- to C.sub.4 --alkyl group, to saturated carbonyl compounds of the formula II ##STR2## using hydrogen in the presence of a pulverulent palladium and/or rhodium catalyst and in the presence of an organic base. The process is carried out in a packed bubble column reactor (1, 2) with product recycling (11, 17) and circulating hydrogen gas (4, 15, 16). It is particularly suitable for the selective hydrogenation of citral to citronellal.
摘要翻译：本发明涉及用于式I的α，β-不饱和羰基化合物的选择性液相氢化的方法，其中R 1是氢或有机基团，并且R 2，R 3和R 4彼此独立地是氢或使用氢气在粉状钯和/或铑催化剂存在下并在有机碱的存在下，使C1至C4烷基与饱和的式II化合物反应。该方法在具有产品再循环（11,17）和循环氢气（4,15,16）的包装泡罩塔反应器（1,2）中进行。它特别适用于柠檬醛对香茅醛的选择性氢化。

8. 发明授权

US5149884A Tube bundle reactor, use thereof in exothermic organic reactions, and preparation of ketones and aldehydes using same 失效
标题翻译：管组件反应器，在有机有机反应中使用，以及使用其制备酮和醛
公开(公告)号：US5149884A
公开(公告)日：1992-09-22
申请号：US680631
申请日：1991-04-01
申请人： Karl Brenner , Wilhelm Ruppel , Otto Woerz , Klaus Halbritter , Hans-Juergen Scheiper , Werner Aquila , Hartwig Fuchs
发明人： Karl Brenner , Wilhelm Ruppel , Otto Woerz , Klaus Halbritter , Hans-Juergen Scheiper , Werner Aquila , Hartwig Fuchs
IPC分类号： B01J8/06 , C07B61/00 , C07C45/00 , C07C45/38 , C07C45/39 , C07C47/21 , C07C67/00
CPC分类号： B01J8/067 , C07C45/38 , C07C45/39 , B01J2208/00212 , B01J2208/0053
摘要： In a tube bundle reactor for carrying out catalytic organic reactions in the gas phase, comprising reaction tubes (A) arranged between tubesheets (B), the reaction tubes have an inside diameter ranging from 0.5 to 3 cm, the ratio of reaction tube length to inside diameter ranges from 2 to 10, and the reaction tubes (A) are surrounded by a fluid heat transport medium flowing in the crosswise direction; said tube bundle reactor is useful in particular in exothermic organic reactions.
摘要翻译：在用于在气相中进行催化有机反应的管束反应器中，包括布置在管板（B）之间的反应管（A），反应管的内径范围为0.5至3cm，反应管长度与内径为2〜10，反应管（A）由沿横向流动的流体传热介质包围; 所述管束反应器尤其可用于放热有机反应中。

9. 发明授权

US06175044B1 Preparation of citral 有权
标题翻译：柠檬醛的制备
公开(公告)号：US06175044B1
公开(公告)日：2001-01-16
申请号：US09404548
申请日：1999-09-24
申请人： Jörg Therre , Gerd Kaibel , Werner Aquila , G{umlaut over (u)}nter Wegner , Hartwig Fuchs
发明人： Jörg Therre , Gerd Kaibel , Werner Aquila , G{umlaut over (u)}nter Wegner , Hartwig Fuchs
IPC分类号： C07C4551
CPC分类号： C07C45/515 , C07C45/513 , C07C45/67 , C07C47/21
摘要： 3,7-Dimethyl-2,6-octadien-1-al of formula I is prepared continuously by: thermally cleaving, in the presence or absence of an acid catalyst, 3-methyl-2-buten-1-al diprenyl acetal of formula II: thereby eliminating 3-methyl-2-buten-1-ol of formula III and yielding cis/trans-prenyl 3-methylbutadienyl ether of formula IV: thermally rearranging the resultant butadienyl ether of formula IV thereby yielding 2,4,4-trimethyl-3-formyl-1,5-hexadiene of formula V: subsequently rearranging intermediate (V) thereby yielding citral product of formula I, which comprises: as the reaction proceeds, continuously distilling the reaction mixture thereby continuously removing prenol, which is formed by degradation of acetal II, and the intermediates of formula IV and V and any citral product which is formed during the reaction; and thermally rearranging said intermediates of formula IV and V at a temperature of 100-200° C. in the absence or presence of said prenol to form citral product.
摘要翻译：通过以下方式连续制备式I的3,7-二甲基-2,6-辛二烯-1-醇：在存在或不存在酸催化剂的情况下，热裂解3-甲基-2-丁烯-1-al阮内烯式II：由此除去式III的3-甲基-2-丁烯-1-醇，得到式IV的顺/反 - 异戊烯基3-甲基丁二烯基醚：热重新排列所得的式IV的丁二烯基醚，由此得到2,4,4 式V的 - 三甲基-3-甲酰基-1,5-己二烯：随后重新排列中间体（V），从而产生式I的柠檬醛产物，其包括：随着反应的进行，连续蒸馏反应混合物，从而连续除去前醇，由缩醛II的降解形成，以及式IV和V的中间体以及在反应期间形成的任何柠檬醛产物; 在不存在或存在所述prenol的情况下，在100-200℃的温度下热处理所述式IV和V的中间体，以形成柠檬醛产物。

10. 发明授权

US4113781A Phenylpropanals 失效
标题翻译：苯丙醛
公开(公告)号：US4113781A
公开(公告)日：1978-09-12
申请号：US494457
申请日：1974-08-05
申请人： Werner Aquila , Werner Hoffmann , Walter Himmele , Hardo Siegel
发明人： Werner Aquila , Werner Hoffmann , Walter Himmele , Hardo Siegel
IPC分类号： B01J31/20 , B01J31/24 , C07C45/49 , C07C45/50 , C07C47/228 , C07C47/235 , C07C47/24 , C07C47/277 , C11B9/00 , C07C47/52
CPC分类号： B01J31/2404 , B01J31/20 , B01J31/24 , C07C45/49 , C07C45/50 , C07C47/228 , C07C47/23 , C07C47/235 , C07C47/24 , C07C47/277 , C11B9/0061 , B01J2231/321 , B01J2531/822 , B01J31/2295 , Y02P20/582
摘要： Substituted phenylpropanals and a process for their manufacture by reaction of the corresponding phenylethenes with carbon monoxide and hydrogen at temperatures of from 50.degree. to 180.degree. C and pressures of from 20 to 1,500 atmospheres gauge, in the presence of rhodium carbonyl complexes. The phenylpropanals according to the invention have pleasant scents. 3-(4-Isopropyl-phenyl)-butanal-1 and 3-(4-tert.-butyl-phenyl)-butanal-1, in particular, have suitable scents for the preparation of flower oil. They are also valuable starting materials for synthesizing drugs, plant protection agents and dyes.
摘要翻译：在羰基络合物存在下，取代的苯基丙烷和通过相应的苯乙烯与一氧化碳和氢气在50至180℃的温度和20至1500个大气压的压力下反应制备的方法。根据本发明的苯丙醛具有宜人的香味。 3-（4-异丙基 - 苯基） - 丁醛-1和3-（4-叔丁基 - 苯基） - 丁醛-1特别地具有合适的香料用于制备花油。它们也是合成药物，植物保护剂和染料的有价值的起始原料。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式