公开(公告)号：US06667422B2

公开(公告)日：2003-12-23

申请号：US10233925

申请日：2002-09-03

Applicant: Dieter Heldmann ,  Juergen Stohrer

Inventor： Dieter Heldmann ,  Juergen Stohrer

IPC: C07C4563

CPC classification number: C07C269/06 ,  C07B2200/07 ,  C07C45/48 ,  C07C319/20 ,  C07C271/16 ,  C07C271/18 ,  C07C323/43

Abstract: A process for preparing an &agr;-haloketone of the formula (1) where R1 is an optionally heteroatom-containing and optionally substituted hydrocarbon radical, R2 is a hydrogen, alkyl, aralkyl or aryl radical, and X is a halogen radical, by reacting a carboxylic acid derivative of the general formula (2) where L is a leaving group, with a mono- or dienolate of a silyl ester of the formula (3) where R3 and R4 are identical or different alkyl, aryl, alkenyl or aralkyl radicals; and hydrolyzing the reaction product immediately afterwards by adding acid and decarboxylating to (1). The product &agr;-haloketone may be reduced to the corresponding &agr;-haloalcohol.

Abstract translation: 制备式（1）的α-卤代酮的方法，其中R 1是任选含杂原子的和任选取代的烃基，R 2是氢，烷基，芳烷基或芳基，X是卤素 自由基，其中L是离去基团的通式（2）的羧酸衍生物与式（3）的甲硅烷基酯的单或二烯醇酯反应，其中R 3和R 4相同 或不同的烷基，芳基，烯基或芳烷基;然后通过加入酸和脱羧至（1），立即水解反应产物。 产物α-卤代酮可以还原成相应的α-卤代醇。

公开(公告)号：US20060030732A1

公开(公告)日：2006-02-09

申请号：US11190232

申请日：2005-07-27

Applicant: Dieter Heldmann ,  Juergen Stohrer

Inventor： Dieter Heldmann ,  Juergen Stohrer

IPC: C07C319/12

CPC classification number: C07C319/06 ,  C07C319/02 ,  Y02P20/127 ,  C07C323/58

Abstract: Preparation of α-substituted cysteine derivatives takes place by acidic hydrolysis of thiazolidines, wherein the hydrolysis is effected in the presence of a further phase comprising an organic solvent and a vapor comprising water, acid, organic solvent and aldehyde is removed from the reaction mixture, or a vapor comprising water, acid and aldehyde is removed from the reaction mixture and the vapor or its condensate is subsequently contacted with a phase comprising an organic solvent. The process requires less hydrolysis time and allows for recycle and/or recovery of acid and by product aldehyde.

Abstract translation: α-取代的半胱氨酸衍生物的制备通过噻唑烷的酸性水解进行，其中在存在包含有机溶剂的另外的相的情况下进行水解，并且从反应混合物中除去包含水，酸，有机溶剂和醛的蒸气， 或者将包含水，酸和醛的蒸气从反应混合物中除去，然后蒸气或其冷凝物与包含有机溶剂的相接触。 该方法需要更少的水解时间并且允许酸和产物醛的再循环和/或回收。

公开(公告)号：US06881855B2

公开(公告)日：2005-04-19

申请号：US10255515

申请日：2002-09-26

Applicant: Dieter Heldmann ,  Oliver Schaefer ,  Juergen Stohrer

Inventor： Dieter Heldmann ,  Oliver Schaefer ,  Juergen Stohrer

IPC: C07B51/00 ,  C07F7/08 ,  C07F7/12 ,  C07F7/18 ,  C07F7/10

CPC classification number: C07F7/12 ,  C07B51/00 ,  C07F7/0834 ,  C07F7/1804

Abstract: Silanes of the formula Ra1R4-a-xSiLx  (I) where each R is identical or different and is a monovalent, optionally substituted hydrocarbon radical which is free of aliphatic carbon—carbon multiple bonds and has from 1 to 18 carbon atoms per radical, R1 is an optionally substituted 2-norbornyl radical, L is a leaving group, a is 1, 2 or 3 and x is 1 or 2, with the proviso that the sum of a+x≦4, are useful for protecting functional groups of organic compounds (2) which have at least one functional group having an active hydrogen atom, preferably as a hydroxyl group —OH, a thiol groups —SH, an amine group —NH— or —NH2, a carboxyl group —COOH, or an amide group —CONH— or —CONH2.

Abstract translation: 公式的硅烷<？in-line-formula description =“In-line Formulas”end =“lead”？> R＆lt; 1＆lt; 1＆gt; R 4-ax （I）<？in-line-formula description =“In-line formula”end =“tail”？>其中每个R相同或不同，为一价， 任选取代的烃基，其不含脂族碳 - 碳多重键，并且每个基团具有1至18个碳原子，R 1是任选取代的2-降冰片基，L是离去基团， 是1,2或3，x是1或2，条件是a + x <= 4的总和可用于保护具有至少一个具有活性氢的官能团的有机化合物（2）的官能团 原子，优选羟基-OH，硫醇基-SH，胺基-NH-或-NH 2，羧基-COOH或酰胺基-CONH-或-CONH 2 。

公开(公告)号：US09096621B2

公开(公告)日：2015-08-04

申请号：US14238510

申请日：2012-07-18

Applicant: Florian Hoffmann ,  Sascha Andre Erhardt ,  Bernhard Rieger ,  Juergen Stohrer

Inventor： Florian Hoffmann ,  Sascha Andre Erhardt ,  Bernhard Rieger ,  Juergen Stohrer

IPC: C08G77/04 ,  C07F7/18 ,  C08G77/14 ,  C08G77/10

CPC classification number: C07F7/1872 ,  C07F7/1804 ,  C08G77/10 ,  C08G77/14

Abstract: Hydroxymethyl-functional siloxanes and silica gels are prepared by reacting a siloxacycle having at least one unit of the formula [SiR2(OR3)—CH2—O]n with water, optionally in the presence of a hydrolyzable silane.

Abstract translation: 通过使具有式[SiR 2（OR 3）-CH 2 -O] n的至少一个单元的硅氧烷环与水，任选地在可水解的硅烷的存在下反应来制备羟甲基官能的硅氧烷和二氧化硅凝胶。

公开(公告)号：US06750371B2

公开(公告)日：2004-06-15

申请号：US10264682

申请日：2002-10-04

Applicant: Elke Fritz-Langhals ,  Juergen Stohrer ,  Hermann Petersen

Inventor： Elke Fritz-Langhals ,  Juergen Stohrer ,  Hermann Petersen

IPC: C07C4529

CPC classification number: C07D209/48 ,  C07B41/06 ,  C07C45/29 ,  C07C45/30 ,  C07F7/1892

Abstract: An alcohol is oxidized to an aldehyde or a ketone in the presence of a nitroxyl compound as catalyst, wherein the alcohol to be oxidized is contained in an organic liquid phase, and is reacted in the presence of a nitroxyl compound with an aqueous phase comprising an oxidant. The reaction is carried out continuously at a contact time of the phases of from 0.1 s to a maximum of 15 minutes, with intensive mixing of the phases. The process produces high yields with low quantities of other oxidation byproducts.

Abstract translation: 在硝酰基化合物作为催化剂存在下，将醇氧化成醛或酮，其中待氧化的醇被包含在有机液相中，并且在硝酰基化合物存在下与含有 氧化剂。 反应在0.1秒至最多15分钟的接触时间内连续进行，同时相密集混合。 该方法产生高产率，少量的其它氧化副产物。

公开(公告)号：US06506942B2

公开(公告)日：2003-01-14

申请号：US09976988

申请日：2001-10-12

Applicant: Klas Sorger ,  Hermann Petersen ,  Juergen Stohrer

Inventor： Klas Sorger ,  Hermann Petersen ,  Juergen Stohrer

IPC: C07C4500

CPC classification number: C07B41/06 ,  C07C45/512

Abstract: The invention relates to a process for the preparation of a carbonyl compound of the general formula (1) R1R2C═O  (1), in which a &bgr;-hydroxycarboxylic acid or its salt of the general formula (2) R1R2C(OH)—CR3R4—COOM  (2) is cleaved in the presence of a Brönstedt base which is selected from hydroxides, alkanolates, oxides, amides and hydrides of the alkali metals and alkaline earth metals, and in the presence of a hydroxyl-free solvent, R1, R2, R3, R4 and M having the meanings from claim 1.

Abstract translation: 本发明涉及一种制备通式（1）的羰基化合物的方法，其中在布朗斯台德碱存在下将β-羟基羧酸或其通式（2）的盐切割，其选自 碱金属和碱土金属的氢氧化物，链烷醇化物，氧化物，酰胺和氢化物，以及在没有权利要求1的含义的无羟基溶剂R1，R2，R3，R4和M的存在下。

公开(公告)号：US20120004436A1

公开(公告)日：2012-01-05

申请号：US13256740

申请日：2010-03-11

Applicant: Elke Fritz-Langhals ,  Juergen Stohrer

Inventor： Elke Fritz-Langhals ,  Juergen Stohrer

IPC: C07F7/10

CPC classification number: C07F7/0889

Abstract: The invention provides a process for the synthesis of bis(aminoalkyl)disiloxanes of the general formula I by reaction of the carbamatosilanes of the general formula Ma or of the carbamatodisiloxanes of the general formula Mb or of mixtures thereof in the presence of water, where R1 is a divalent hydrocarbon radical having 1 to 100 C atoms, it being possible for the carbon chain to be interrupted by non-adjacent oxygens, sulphur atoms, —NR6—(CO)— or —NHCONH- groups and for the hydrogens in the divalent hydrocarbon radical individually to be substituted by F, Cl, NR7R8 or OR9 groups, and R2, R3, R4, R5, R6, R7, R8 and R9 are hydrocarbon radicals having 1 to 100 C atoms.

Abstract translation: 本发明提供了通过在通式M的氨基甲酰硅烷或通式Mb的氨基甲酰硅氧烷或其混合物在水存在下反应来合成通式I的双（氨基烷基）二硅氧烷的方法，其中R1 是具有1至100个C原子的二价烃基，碳链可能被非相邻的氧，硫原子，-NR6-（CO） - 或-NHCONH-基团和二价 分别被F，Cl，NR7R8或OR9基团取代的烃基，R2，R3，R4，R5，R6，R7，R8和R9是具有1至100个C原子的烃基。

公开(公告)号：US06753383B2

公开(公告)日：2004-06-22

申请号：US10011169

申请日：2001-12-06

Applicant: Oliver Schaefer ,  Juergen Stohrer ,  Wolfgang Doering

Inventor： Oliver Schaefer ,  Juergen Stohrer ,  Wolfgang Doering

IPC: C08J320

CPC classification number: C08K5/46 ,  C08K5/3725

Abstract: A process for reducing free aldehydes in dispersions, suspensions, emulsions and solutions which comprises including therein thioamine compound of the formula IV and optionally a thioamine of the formula III: where R1 is a C1-5 alkyl radical, an aryl radical or hydrogen, R2 is —(COO)a —E or —(CONH)a—E where a is 0 or 1 and E, R3, R4, and R5 are independently R4 and R5 together containing at least one carbon atom, and n being 0 or 1.

Abstract translation: 一种在分散体，悬浮液，乳液和溶液中还原游离醛的方法，其包括其中包含式IV的硫代胺化合物和任选的式III的硫胺：其中R 1是C 1-5烷基，芳基或氢，R 2 是 - （COO）a -E或 - （CONH）aE，其中a是0或1，E，R 3，R 4和R 5独立地是R 4和R 5一起含有至少一个碳原子，n是0或1。

公开(公告)号：US5605649A

公开(公告)日：1997-02-25

申请号：US362390

申请日：1994-12-22

Applicant: Juergen Stohrer ,  Willibald Lottner

Inventor： Juergen Stohrer ,  Willibald Lottner

IPC: G02F1/13 ,  C07F7/08 ,  C08F290/00 ,  C08F299/08 ,  C09K19/40 ,  C09K19/52 ,  G02F1/1335

CPC classification number: C07F7/0847 ,  C09K19/406 ,  Y10T428/1036

Abstract: Polymerizable liquid-crystalline siloxanes of a defined composition which are distinguished by low viscosity and pronounced thermochromic properties. The liquid-crystalline siloxanes of the present invention are used for the production of membranes in the optical display of electromagnetic field, opto-electronics, information storage and in particular in the production of optical filters and reflectors.

Abstract translation: 具有限定组成的可聚合液晶硅氧烷，其特征在于低粘度和明显的热变色性质。 本发明的液晶硅氧烷用于在电磁场，光电子学，信息存储的光学显示器中制造膜，特别是在制造光学滤波器和反射器中。

公开(公告)号：US20140213808A1

公开(公告)日：2014-07-31

申请号：US14238510

申请日：2012-07-18

Applicant: Florian Hoffmann ,  Sascha Andre Erhardt ,  Bernhard Rieger ,  Juergen Stohrer

Inventor： Florian Hoffmann ,  Sascha Andre Erhardt ,  Bernhard Rieger ,  Juergen Stohrer

IPC: C07F7/18

CPC classification number: C07F7/1872 ,  C07F7/1804 ,  C08G77/10 ,  C08G77/14

Abstract: Hydroxymethyl-functional siloxanes and silica gels are prepared by reacting a siloxacycle having at least one unit of the formula [SiR2(OR3)—CH2—O]n with water, optionally in the presence of a hydrolyzable silane.

Abstract translation: 通过使具有式[SiR 2（OR 3）-CH 2 -O] n的至少一个单元的硅氧烷环与水，任选地在可水解的硅烷的存在下反应来制备羟甲基官能的硅氧烷和二氧化硅凝胶。