反式肉桂醛置于palladium Diacetate体系中,用 环己烷 用作溶剂,化学反应 24.0H,以74%的收率获得苯乙烯 参考文献:A General And Efficient Aldehyde Decarbonylation Reaction By Using A Palladium Catalyst 标题:A General And Efficient Aldehyde Decarbonylation Reaction By Using A Palladium Catalyst 摘要:通过使用pd(Oac)2,开发了一种简便的醛脱羰反应.多种底物可进行脱羰处理,无需使用任何外源配体或co清除剂. Doi:10.1039/c2Cc31144E
专利信息
专利号:US-6794534-B2 优先权日:2000-06-23 标题:Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis 发明人:GRUBBS ROBERT H; CHATTERJEE ARNAB K; MORGAN JOHN P; SCHOLL MATTHIAS; CHOI TAE-LIM 权利人:CALIFORNIA INST OF TECHN 摘要:The invention is directed to the cross-metathesis and ring-closing metathesis reactions between geminal disubstituted olefins and terminal olefins, wherein the reaction employs a Ruthenium or Osmium metal carbene complex. Specifically, the invention relates to the synthesis of α-functionalized or unfunctionalized olefins via intermolecular cross-metathesis and intramolecular ring-closing metathesis using a ruthenium alkylidene complex. The catalysts preferably used in the invention are of the general formula n wherein: n M is ruthenium or osmium; n X and X 1 are each independently an anionic ligand; n L is a neutral electron donor ligand; and, n R, R 1 R 6 , R 7 , R 8 , and R 9 are each independently hydrogen or a substituent selected from the group consisting of C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 2 -C 20 alkynyl, aryl, C 1 -C 20 carboxylate, C 1 -C 20 alkoxy, C 2 -C 20 alkenyloxy, C 2 -C 20 alkynyloxy, aryloxy, C 2 -C 20 alkoxycarbonyl, C 1 -C 20 alkylthio, C 1 -C 20 alkylsulfonyl and C 1 -C 20 alkylsulfinyl.
专利号:US-10604599-B2 优先权日:2018-05-29 标题:Method for green synthesis of uniform- and large-particle-size polystyrene particles 发明人:SHUANG CHENDONG; ZHOU WEIWEI; WANG YUNSHU; LI AIMIN; LI QIMENG; LIU LILI; WANG WEI; ZHANG YI 权利人:NANJING UNIVERSITY OF TECHNOLOGY; NANJING UNIV & YANCHENG ACADEMY OF ENVIRONMENTAL PROTECTION TECHNOLOGY AND ENGINEERING 摘要:A method for green synthesis of uniform- and large-particle-size polystyrene particles, comprising steps of: prepolymerizing styrene at 70â–¡ to 75â–¡ for 1 h to 6 h in advance while stirring, adding divinylbenzene dissolved with initiators to the styrene, and stirring for 10 min to 30 min to obtain oil phase; heating lactic acid or an aqueous solution of lactic acid to 70â–¡ to 80â–¡, adding the oil phase to dispersed phase by a constant-pressure device, maintaining the temperature for 2 h, heating to 80±5â–¡ and then maintaining the temperature for 1 h, and heating to 85±5â–¡ and then maintaining the temperature for 3 h to 6 h, to obtain polystyrene particles with a uniform particle size ranging from 0.7 mm to 2.0 mm.
专利号:WO-2024181781-A1 优先权日:2023-02-27 标 题:Substrate for synthesis of biological polymers having anti-aggregation function and biological polymer synthesis method using same 发明人:JANG MYOUNG HOON; CHOI JAE SUN 权利人:SP2 TX INC 摘要:The present invention relates to a substrate for the synthesis of biological polymers having an anti-aggregation function, and a biological polymer synthesis method using the substrate. The substrate according to an aspect may have anti-aggregation functionality to enable high-yield and high-purity processes in the synthesis of biological polymers.
专利号:US-9353057-B2 优先权日:2003-12-30 标 题:Synthesis of acyloxyalkyl carbamate prodrugs and intermediates thereof 发明人:GALLOP MARK A; DAI XUEDONG; SCHEUERMAN RANDALL A; RAILLARD STEPHEN P; MANTHATI SURESH K; YAO FENMEI; PHAN THU; LUDWIKOW MARIA; PENG GE; BHAT SEEMA 权利人:XENOPORT INC 摘要:Methods for synthesis of 1-(acyloxy)-alkyl carbamates, particularly, the synthesis of 1-(acyloxy)-alkyl carbamate prodrugs of primary or secondary amine-containing drugs are described. Also described are methods for synthesis of 1-(acyloxy)-alkyl N-hydroxysuccinimidyl carbonates which are useful intermediates in the synthesis of 1-(acyloxy)-alkyl carbamates are also described.
专利号:US-2004152905-A1 优先权日:2003-01-31 标题:Universal building blocks and support media for synthesis of oligonucleotides and their analogs 发明人:GUZAEV ANDREI P; MANOHARAN MUTHIAH 摘要:Compounds for the synthesis of oligomeric compounds, particularly oligonucleotides and chemically modified oligonucleotide analogs, are provided. In addition, methods for functionalization of a support medium with a first monomeric subunit and methods for the synthesis of oligomeric compounds utilizing the novel compounds bound to support media are provided.
专利号:US-2004242897-A1 优先权日:2002-07-31 标题 :Universal support media for synthesis of oligomeric compounds 发明人:GUZAEV ANDREI P; MANOHARAN MUTHIAH 摘要:Compounds for the synthesis of oligomeric compounds, particularly oligonucleotides and oligonucleotide mimetics, are provided. In addition, methods for functionalizing a support medium with a first monomeric subunit and methods for the synthesis of oligomeric compounds utilizing the novel compounds bound to support media are provided.
参考文献:10.1021/nl100017u 摘要:Gao Y, Shao N, Pei Y, Zeng XC. Icosahedral Crown Gold Nanocluster Au43Cu12 with High Catalytic Activity. Nano Lett. 2010 Feb 15;10(3):1055–62. doi: 10.1021/nl100017u. 参考文献:10.1021/la904827d 摘要:Simons R, Qiao GG, Powell CE, Bateman SA. Effect of surfactant architecture on the properties of polystyrene-montmorillonite nanocomposites. Langmuir. 2010 Jun 01;26(11):9023–31. doi: 10.1021/la904827d. 参考文献:10.1021/la904296h 摘要:Kitayama Y, Kagawa Y, Minami H, Okubo M. Preparation of micrometer-sized, onionlike multilayered block copolymer particles by two-step AGET ATRP in aqueous dispersed systems: effect of the second-step polymerization temperature. Langmuir. 2010 May 18;26(10):7029–34. doi: 10.1021/la904296h. 参考文献:10.1007/s10295-005-0062-3 摘要:Liu Y, Sha Q, Wu S, Wang J, Yang L, Sun W. Enzymatic resolution of racemic phenyloxirane by a novel epoxide hydrolase from Aspergillus niger SQ-6 and its fed-batch fermentation. Journal of Industrial Microbiology & Biotechnology. 2005 Dec 01;33(4):274–82. doi: 10.1007/s10295-005-0062-3.