专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明申请

WO2006108562A1 MANUFACTURE OF LACTONES 审中-公开
标题翻译：制品的制造
公开(公告)号：WO2006108562A1
公开(公告)日：2006-10-19
申请号：PCT/EP2006/003163
申请日：2006-04-07
申请人： DSM IP ASSETS B.V. , BONRATH, Werner , KARGE, Reinhard , ROESSLER, Felix
发明人： BONRATH, Werner , KARGE, Reinhard , ROESSLER, Felix
IPC分类号： B01J23/46 , C07D491/04
CPC分类号： C07D491/04 , B01J31/24 , B01J2531/822
摘要： The present invention relates to a process for the manufacture of cyclic monocarboxylic esters (lactones) and related compounds by hydrogenation of cyclic dicarboxylic acid anhydrides in the presence of metal catalysts.
摘要翻译：本发明涉及在金属催化剂存在下通过环状二羧酸酐的氢化制备环状单羧酸酯（内酯）和相关化合物的方法。

62. 发明申请

WO2006029737A1 PROCESS FOR THE PREPARATION OF SATURATED ALIPHATIC KETONES 审中-公开
标题翻译：制备饱和脂肪酸酮的方法
公开(公告)号：WO2006029737A1
公开(公告)日：2006-03-23
申请号：PCT/EP2005/009510
申请日：2005-09-14
申请人： DSM IP ASSETS B.V. , BONRATH, Werner , KIRCHER, Thomas , KÜNZI, Rolf , TSCHUMI, Johannes
发明人： BONRATH, Werner , KIRCHER, Thomas , KÜNZI, Rolf , TSCHUMI, Johannes
IPC分类号： C07C45/62 , C07C49/04
CPC分类号： C07C49/04 , C07C45/62
摘要： Saturated aliphatic ketones, e.g. hexahydropseudoionone, may be prepared by hydrogenating an olefinically unsaturated ketone, e.g. pseudoionone in a continuous fixed-bed mode in the absence of a solvent in the presence of a catalyst comprising a noble metal deposited on a carrier.
摘要翻译：饱和脂肪酮，例如六氢假雄酮可以通过使烯属不饱和酮例如氢化而制备。在不存在溶剂的情况下，在包含沉积在载体上的贵金属的催化剂存在下，连续固定床模式的假性离子。

63. 发明申请

WO2004096790A1 PROCESS FOR THE MANUFACTURE OF TOCYL AND TOCOPHERYL ACYLATES 审中-公开
标题翻译： TOCYL和TOCOPHERYL ACYLATES的制备方法
公开(公告)号：WO2004096790A1
公开(公告)日：2004-11-11
申请号：PCT/EP2004/004144
申请日：2004-04-19
申请人： DSM IP ASSETS B.V. , BONRATH, Werner , HAAS, Alois , HOPPMANN, Simone , NETSCHER, Thomas , PAULING, Horst
发明人： BONRATH, Werner , HAAS, Alois , HOPPMANN, Simone , NETSCHER, Thomas , PAULING, Horst
IPC分类号： C07D311/72
CPC分类号： C07D311/72
摘要： A process for the manufacture of a tocyl acylate or a tocopheryl acylate comprises reacting tocol or a tocopherol with an acylating agent in the presence of a catalyst of the general formula HC 1 R 2 R 3 , wherein R 1 , R 2 and R 3 each signify the sulpho group, or R 1 , R 2 and R 3 each signify a perfluoroalkylsulphonyl group whereby at least two of R 1 , R 2 and R 3 are identical such perfluoroalkyl-sulphonyl groups, or R 1 signifies the pentafluorophenyl-sulphonyl group and R 2 and R 3 each signify an identical perfluoroalkylsulphonyl group. The main commercial form of vitamin E, being (all-rac)-α-tocapheryl acetate, can be manufactured by acylation of (all-rac)-α-tocopherol according to this process.
摘要翻译：制备酰基酰化物或生育酚酰基化物的方法包括在通式为HC 1 R 2 R 3的催化剂存在下，使酰基转化成醇或生育酚，其中R 1 > R 2和R 3各自表示磺基，或R 1，R 2和R 3各自表示全氟烷基磺酰基，由此R 1，R 2中的至少两个和R 3是相同的全氟烷基磺酰基，或R 1表示五氟苯基磺酰基，R 2和R 3各自表示相同的全氟烷基磺酰基。维生素E的主要商业形式是（全脱氧）-α-柠檬酸乙酸酯，可以通过根据该方法酰化（全消旋）-α-生育酚来制备。

64. 发明申请

WO2004063182A1 PROCESS FOR THE MANUFACTURE OF α-TOCOPHERYL ACETATE 审中-公开
标题翻译：制备α-氯代醋酸酯的方法
公开(公告)号：WO2004063182A1
公开(公告)日：2004-07-29
申请号：PCT/EP2003/014723
申请日：2003-12-22
申请人： DSM IP ASSETS B.V. , BONRATH, Werner , DITTEL, Claus , NETSCHER, Thomas , PABST, Thomas , GIRAUDI, Lisa
发明人： BONRATH, Werner , DITTEL, Claus , NETSCHER, Thomas , PABST, Thomas , GIRAUDI, Lisa
IPC分类号： C07D311/72
CPC分类号： C07D311/72
摘要： The present invention is concerned with a novel process for the manufacture of α-tocopheryl acetate which comprises reacting 2,3,6-trimethylhydroquinone-1-acetate with a compound selected from the group consisting of phytol (formula IV with R = OH), iso-phytol (formula III with R = OH), and (iso) phytol derivatives represented by the following formulae III and IV with R = C 2 -to C 5 -alkonoyloxy, benzoyloxy, mesyloxy, benzenesul-fonyloxy or tosyloxy, (IV) in the presence of a catalyst of the formula M n+ (R 1 SO 3 - ) n , wherein M n+ is a silver, copper, gallium, hafnium or rare earth metal cation, n is the valence of the cation M n+ , and R 1 is fluorine, C 1-8 -perfluoroalkyl or perfluoroaryl, and, if required, cyclizing any 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate or a double bond isomer thereof obtained as an intermediate reaction product, to produce α-tocopheryl acetate. In the catalyst M n+ is preferably Ag + , Cu + , Ga 3+ , Sc 3+ , Lu 3+ , Ho 3+ , Tm 3+ , Yb 3+ or Hf 4+ .
摘要翻译：本发明涉及一种制备α-生育酚乙酸酯的新方法，其包括使2,3,6-三甲基氢醌-1-乙酸酯与选自植醇（式IV，R = OH）的化合物反应，具有R = C 2〜C 5 - 烷酰氧基，苯甲酰氧基，甲磺酰氧基，苯并呋喃氧基或甲苯磺酰氧基的（Ⅳ）式（Ⅳ）所示的异构醇（式III与R = OH））和（异）存在式M n +（R 1 SO 3 - ）n的催化剂，其中M n +是银，铜，镓，铪或稀土金属阳离子，n是阳离子M n +，R 1为氟，C 1-8 - 全氟烷基或全氟芳基，如果需要，可以将任何3-植酰基-2,5,6-三甲基氢醌-1-乙酸酯或其双键异构体环化为中间体反应产物，以产生乙酸α-生育酚酯。在催化剂中，M n +优选为Ag +，Cu +，Ga 3+，Sc 3+，Lu 3+，Ho 3+，Tm 3+，Yb 或者Hf <4+>。

65. 发明申请

WO2022238349A1 ELECTROCHEMICAL HYDROGENATION OF SPECIFIC ALKYNES 审中-公开
公开(公告)号：WO2022238349A1
公开(公告)日：2022-11-17
申请号：PCT/EP2022/062530
申请日：2022-05-10
申请人： DSM IP ASSETS B.V.
发明人： BONRATH, Werner , GOETHEER, Earl Lawrence Vincent , GOY, Roman , LATSZBAIA, Roman , MEDLOCK, Jonathan, Alan
IPC分类号： C25B3/07 , C25B3/25 , C25B11/042 , C25B11/054 , C25B11/065 , C25B11/081
摘要： The present invention relates to an electrochemical selective hydrogenation of specific alkynes to the corresponding alkenes.

66. 发明申请

WO2022167642A1 MANUFACTURING OF ALLENE KETONES USING AN AMMONIUM (THIO)SULFATES OR HYDROGEN (THIO)SULFATES 审中-公开
公开(公告)号：WO2022167642A1
公开(公告)日：2022-08-11
申请号：PCT/EP2022/052849
申请日：2022-02-07
申请人： DSM IP ASSETS B.V.
发明人： AQUINO, Fabrice , BONRATH, Werner , PACE, Francesco
IPC分类号： C07C45/45 , C07C45/67
摘要： The present invention relates to a process of manufacturing of allene ketone using specific ammonium (thio)sulfates or hydrogen (thio)sulfates as catalyst. The reaction provides the allene ketone in high yields and selectivities.

67. 发明申请

WO2022028941A1 A PROCESS FOR PREPARATION OF OXAZOLE COMPOUNDS 审中-公开
公开(公告)号：WO2022028941A1
公开(公告)日：2022-02-10
申请号：PCT/EP2021/070913
申请日：2021-07-27
申请人： DSM IP ASSETS B.V.
发明人： BONRATH, Werner , DAI, Le , DAI, Xixiang , LIU, Qiangqiang , PENG, Kun , STEMMLER, René Tobias , WU, Liuhai , ZHANG, Lei
IPC分类号： C07D263/34 , C07C255/10
摘要： The present invention provides a new process for producing an oxazole compound of formula (I), which can avoid toxic and corrosive reagent, and salts by-products and has high efficiency,formula (I). Wherein R is H, or lower alkyl or aryl optionally substituted by one or more substituents.

68. 发明申请

WO2021234080A1 PHOTOOXIDATION OF PHENOLIC COMPOUNDS 审中-公开
公开(公告)号：WO2021234080A1
公开(公告)日：2021-11-25
申请号：PCT/EP2021/063448
申请日：2021-05-20
申请人： DSM IP ASSETS B.V. , UNIVERSITÄT BASEL
发明人： BONRATH, Werner , MEDLOCK, Jonathan Alan , SCHUETZ, Jan , SPARR, Christof , BUCHHOLZ, Thomas , MILADINOV, Dragan , WELLAUER, Joël
IPC分类号： C07C46/08 , C07C50/04
摘要： The present invention relates to the photooxidation of phenolic compounds to the respective quinoid compounds using methylene blue as photosensitizer in a solvent mixture of water and alcohols using light of the high wavelength range of the visible spectrum.

69. 发明申请

WO2021234077A1 PHOTOOXIDATION OF 2,3,5-TRIMETHYLPHENOL 审中-公开
公开(公告)号：WO2021234077A1
公开(公告)日：2021-11-25
申请号：PCT/EP2021/063445
申请日：2021-05-20
申请人： DSM IP ASSETS B.V. , UNIVERSITÄT BASEL
发明人： BONRATH, Werner , MEDLOCK, Jonathan Alan , SCHUETZ, Jan , SPARR, Christof , BUCHHOLZ, Thomas , MILADINOV, Dragan , WELLAUER, Joël
IPC分类号： C07C46/08 , C07C50/04
摘要： The present invention relates to the photooxidation of 2,3,5-trimethyl- phenol to yield 2,3,5-trimethylbenzoquinone using methylene blue as photo- sensitizer in a solvent mixture of water and alcohols using light of the high wavelength range of the visible spectrum.

70. 发明申请

WO2021122437A1 FORMATION OF 2,3,5-TRIMETHYLHYDROQUINONE FROM 2,3,6-TRIMETHYLPHENOL 审中-公开
公开(公告)号：WO2021122437A1
公开(公告)日：2021-06-24
申请号：PCT/EP2020/085941
申请日：2020-12-14
申请人： DSM IP ASSETS B.V.
发明人： BONRATH, Werner , NETSCHER, Thomas , SCHNEIDER, Michael , MEDLOCK, Jonathan Alan
IPC分类号： C07C46/06 , C07C37/07 , C07C39/08 , C07C50/02 , C07C2601/16
摘要： The present invention relates to the formation of 2,3,5-trimethylhydro- quinone from 2,3,6-tri¬methyl¬phenol comprising the steps a) the oxidation of 2,3,6-trimethylphenol to 2,3,5-trimethylquinone. b) the reduction of 2,3,5-trimethylquinone to 2,3,5-trimethylhydroquinone in such a manner that both steps a) and b) are performed in cyclic alkylene carbonate solvent.

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