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公开(公告)号：US20110257286A1
公开(公告)日：2011-10-20
申请号：US13123972
申请日：2009-10-12
CPC分类号： C08G18/48 , B01J31/1805 , B01J31/2234 , B01J2231/34 , B01J2531/26 , C08G18/10 , C08G18/222 , C08G18/2825
摘要： Catalysts, which are free of tin, are described for the reaction between an isocyanate and an alcohol, which is a key step for preparing polyurethane polymers.
摘要翻译： 描述了不含锡的催化剂，用于异氰酸酯和醇之间的反应，这是制备聚氨酯聚合物的关键步骤。
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12.发明申请Method For Preparation Of A Fluoroaromatic Compound From An Aminoaromatic Compound 审中-公开从氨基芳香化合物制备氟芳族化合物的方法公开(公告)号：US20070276168A1
公开(公告)日：2007-11-29
申请号：US10588471
申请日：2005-02-03
IPC分类号： C07C25/13
CPC分类号： C07B39/00 , C07C17/093 , C07C25/13 , C07D213/61 , C07D215/18 , C07D215/20
摘要： The invention relates to a method for preparation of fluorinated aromatic compounds from the corresponding amines by replacement of the amino group with a fluorine atom. The method of preparation of a fluoroaromatic compound from an aromatic compound with at least one amino group on the aromatic ring is characterized by the reaction of said aromatic amine compound with a nitrosating agent in the presence of a source of boron trifluoride in an organic medium, and carrying out a thermal treatment of the reaction medium comprising the diazonium salt thus obtained to give the fluoroaromatic compound directly by decomposition of the diazonium salt without intermediate isolation thereof.
摘要翻译： 本发明涉及通过用氟原子取代氨基从相应的胺制备含氟芳族化合物的方法。 芳族化合物与芳族化合物在芳环上具有至少一个氨基的氟代芳族化合物的制备方法的特征在于，在有机介质中存在三氟化硼的情况下，所述芳族胺化合物与亚硝化剂反应， 并对由此获得的包含重氮盐的反应介质进行热处理，直接通过分解重氮盐直接得到氟代芳族化合物，而无需中间分离。
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公开(公告)号：US06747175B2
公开(公告)日：2004-06-08
申请号：US10204942
申请日：2002-10-21
IPC分类号： C07C20974
CPC分类号： C07D231/12 , C07C209/74 , C07C211/52
摘要： The invention concerns a method for the synthesis of chlorinated aniline on the ring and comprising at least a sp3 hybridization carbon atom both perhalogenated and bearing a fluorine atom. Said method is characterized in that it comprises a step which consists in chlorinating a precursor aniline of said chlorinated aniline, said chlorination being carried out in a hydrofluoric medium capable of exchanging chlorine and fluorine in benzyl position. The invention is useful for the synthesis of organofluorinated and/or chlorinated compounds.
摘要翻译： 本发明涉及一种在环上合成氯化苯胺的方法，它包含至少一个全卤代和带有氟原子的sp3杂交碳原子。 所述方法的特征在于它包括将所述氯化苯胺的前体苯胺氯化的步骤，所述氯化在能够在苄基位置交换氯和氟的氢氟酸介质中进行。 本发明可用于合成有机氟化和/或氯化化合物。
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14.发明授权公开(公告)号：US09150755B2
公开(公告)日：2015-10-06
申请号：US14130746
申请日：2012-07-06
IPC分类号： C08G77/08 , C09D183/06 , C08L83/04 , C09D183/04 , C08F4/00 , C08J9/00 , C08J9/02 , C08G77/12 , C08G77/16
CPC分类号： C08K3/0033 , C08F4/00 , C08G73/0616 , C08G77/08 , C08G77/12 , C08G77/16 , C08J9/0023 , C08J9/02 , C08J2201/026 , C08J2383/04 , C08J2383/05 , C08J2383/06 , C08K3/013 , C08L83/04 , C09D183/04 , C09D183/06 , Y10T428/31663
摘要： The invention relates to a silicone composition comprising components bearing ≡SiH/≡SiOH groups, which can be polymerized/cross-linked by means of a dehydrogenative condensation reaction in the presence of a carbene-type catalyst in solution.
摘要翻译： 本发明涉及含有≡SiH/≡SiOH基团的组分的硅氧烷组合物，其可以在溶液中的卡宾型催化剂存在下通过脱氢缩合反应进行聚合/交联。
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15.发明授权Room temperature vulcanizable organopolysiloxane compound to give an elastomer and novel organopolysiloxane polycondensation catalysts 有权室温硫化有机聚硅氧烷化合物，得到弹性体和新型有机聚硅氧烷缩聚催化剂公开(公告)号：US08835590B2
公开(公告)日：2014-09-16
申请号：US12809552
申请日：2008-12-18
摘要： The present invention relates to an organopolysiloxane composition that can be vulcanized at room temperature into an elastomer that is crosslinked by polycondensation and that does not contain alkyltin-based catalysts and also to novel organopolysiloxane polycondensation catalysts.
摘要翻译： 本发明涉及可在室温下硫化成通过缩聚交联并且不含烷基锡基催化剂的弹性体以及新型有机聚硅氧烷缩聚催化剂的有机聚硅氧烷组合物。
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公开(公告)号：US20110065955A1
公开(公告)日：2011-03-17
申请号：US12933646
申请日：2009-03-09
摘要： The invention relates to a method for preparing difluoroacetic acid and the salts thereof. The invention also relates to the preparation of difluoroacetyl fluoride used as an intermediate product in the preparation of difluoroacetic acid. The method for preparing difluoroacetic acid according to the invention is characterised in that the same comprises the step of preparing difluoroacetyl fluoride by reacting dichloroacetyl chloride with hydrofluoric acid in a gaseous phase and in the presence of a chromium-based catalyst, followed by the step of hydrolysing the difluoroacetyl fluoride thus obtained.
摘要翻译： 本发明涉及二氟乙酸及其盐的制备方法。 本发明还涉及在二氟乙酸的制备中用作中间产物的二氟乙酰氟的制备。 根据本发明的制备二氟乙酸的方法的特征在于，其包括通过使二氯乙酰氯与氢氟酸在气相中和在铬基催化剂存在下反应制备二氟乙酰氟的步骤，接着是 水解由此获得的二氟乙酰氟。
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公开(公告)号：US20110040033A1
公开(公告)日：2011-02-17
申请号：US12809532
申请日：2008-12-18
CPC分类号： C08K5/42 , C08K5/0091 , C08K5/56 , C08L83/04
摘要： The present invention relates to an organopolysiloxane composition that can be vulcanized at room temperature into an elastomer that is crosslinked by polycondensation and that does not contain alkyltin-based catalysts and also to novel organopolysiloxane polycondensation catalysts.
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公开(公告)号：US20090299024A1
公开(公告)日：2009-12-03
申请号：US12297754
申请日：2007-04-20
CPC分类号： C08G77/08
摘要： A process for condensation between at least one ≡SiOH unit and at least one ≡SiOR unit is provided. In accordance with the present invention, R=a hydrogen or a C1-C20 hydrocarbon group optionally comprising one or more heteroatoms, and the ≡SiOH and ≡SiOR units belong to at least one identical or different (organo)silicon compound P. The process is conducted in the presence of an effective amount of at least one catalyst C, comprising a carbene. Compositions are also provided.
摘要翻译： 提供了至少一种≡SiOH单元和至少一个≡SiOR单元之间的冷凝过程。 根据本发明，R =氢或任选包含一个或多个杂原子的C 1 -C 20烃基，≡SiOH和≡SiOR单元属于至少一个相同或不同（有机）硅化合物P。该方法 在有效量的至少一种包含卡宾的催化剂C的存在下进行。 还提供了组合。
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公开(公告)号：US20090234151A1
公开(公告)日：2009-09-17
申请号：US11989143
申请日：2006-07-07
申请人： Laurent Saint-Jalmes , Daniel Uguen
发明人： Laurent Saint-Jalmes , Daniel Uguen
IPC分类号： C07C67/287 , C07C17/16 , C07C17/18
CPC分类号： C07C45/63 , C07C17/16 , C07C17/18 , C07C19/08 , C07C22/08 , C07C41/22 , C07C49/697 , C07C49/813 , C07C67/307 , C07D213/61 , C07C69/65 , C07C43/225
摘要： Mono- or difluorinated hydrocarbon compounds are prepared from an alcohol or a carbonylated compound by reacting one of these with a fluorinating reagent, optionally in the presence of a base, the fluorinating agent comprising a pyridinium reactant having the following formula (F), wherein R0 is an alkyl or cycloalkyl radical:
摘要翻译： 通过使这些与氟化试剂之一，任选在碱的存在下，通过使氟化剂包含具有下式（F）的吡啶鎓反应物，从醇或羰基化化合物制备单 - 或二氟化烃化合物，其中R 0 是烷基或环烷基：
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20.发明申请Diastereoselective Method of Preparing Olefins by Means of the Horner-Wadsworth-Emmons Reaction Using a Particular Phosphonate Which Improves Diastereoselectivity at all Temperatures Including at Ambient Temperature 审中-公开通过Horner-Wadsworth-Emmons反应制备烯烃的非对映选择方法，使用特殊的膦酸酯改善包括在环境温度下的所有温度下的非对映体选择性公开(公告)号：US20070276153A1
公开(公告)日：2007-11-29
申请号：US10578396
申请日：2004-11-04
IPC分类号： C07C67/313
CPC分类号： C07C45/72 , C07B37/04 , C07C67/343 , C07C2601/14 , C07F9/4084 , C07C69/608 , C07C69/618 , C07C69/533
摘要： The invention relates to a diastereoselective process for the preparation of olefins by the Horner-Wadsworth-Emmons reaction which consists in reacting a specific phosphonate improve the diastereoselectivity at all temperatures including at ambient temperature, with a carbonyl derivative in the presence of a base in an appropriate solvent.
摘要翻译： 本发明涉及通过Horner-Wadsworth-Emmons反应制备烯烃的非对映选择性方法，该方法包括使特定的膦酸酯在包括环境温度在内的所有温度下与羰基衍生物在碱存在下改善非对映选择性 适当的溶剂。
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