CAS: 1066-54-2; Ethynyltrimethylsilane

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CAS号75-77-4 三甲基氯硅烷 | CAS号70277-75-7 lithium acetyli... | CAS号74-86-2 乙炔 | CAS号1066-26-8 乙炔化钠,二甲苯溶液 | CAS号7677-24-9 三甲基氰硅烷 | CAS号16029-98-4 三甲基碘硅烷 | CAS号994-39-8 triethyl(ethyny... | CAS号19061-00-8 2,2-bis(trimeth... | CAS号536-74-3 苯乙炔 | CAS号106824-48-0 4,5-dimethoxy-2... | CAS号111770-80-0 5-溴-2-[2-(三甲基硅烷... | CAS号107469-28-3 4,6-DIMETHYL-2-... | CAS号111291-96-4 TERT-BUTYL 4-((... | CAS号109364-34-3 2,3-diethoxy-4-... | CAS号111079-23-3 2-(4-chloro-6-m... | CAS号109364-35-4 3-ethoxy-4-(2-t... | CAS号109423-06-5 1-trimethylsily... | CAS号100516-61-8 1,2,3,4,5,6-hex... | CAS号107793-07-7 METHYL 2-((TRIM...

(1-溴乙烯基)三甲硅烷置于四(三苯基膦)钯体系中,化学反应生成三甲基乙炔基硅
参考文献:钯催化的三烷基锡烷基苯硫醚与烯基溴化物的反应.(e)-1-烯基苯基硫醚的新的非对映选择性合成
标题:钯催化的三烷基锡烷基苯硫醚与烯基溴化物的反应.(e)-1-烯基苯基硫醚的新的非对映选择性合成
摘要:容易获得的1-烯基溴化物的立体异构体混合物与摩尔过量的三烷基锡烷基苯基硫化物的反应在pd(pph 3)4存在下容易发生,从而以优异的收率提供非对映选择性的(e)-1-烯基苯基硫化物.
Doi:10.1016/s0040-4039(00)99102-0

专利信息

专利号:US-5849936-A
优先权日:1995-03-15
标题:Method for the synthesis of bis-tetrahydrofuranyl annonaceous acetogenins
发明人：HOYE THOMAS R; TAN LUSHI
权利人:UNIVERISTY OF MINNESOTA
摘要:A method for the synthesis of bis-tetrahydrofranyl Annonaceous acetogenins, including the natural products and analogs thereof, is provided which proceeds by the Pd-mediated coupling of a bis-tetrahydrofuranyl-subunit comprising a terminal alkyne, with a (C4)-hydroxybutenolide subunit comprising a terminal vinyl iodide, followed by selective reduction of the resulting enyne.

专利号:US-10954178-B1
优先权日:2020-08-28
标题 :Synthesis of haloindenes
发明人：WNUK STANISLAW F; HOWLADER MD ABU HASAN
权利人:WNUK STANISLAW F; HOWLADER MD ABU HASAN; THE FLORIDA INTERNATIONAL UNIV BOARD OF TRUSTEES
摘要:The subject invention provides an expedited synthesis of 5, 6, and 7-iodoindenes from the corresponding aminoindan-1-ones in more than 70% yield, employing readily available precursors and reagents. A three-step sequence involves diazotization-iodination of aminoindan-1-one followed by reduction and dehydration. The method has a general character and can be extended for the preparation of various 4-, 5-, 6- or 7-haloindenes using different halogen sources for diazotization-halogenation reaction.

专利号:US-11548898-B2
优先权日:2017-07-06
标题 :Synthesis of halichondrins
发明人：KISHI YOSHITO; AI YANRAN; YE NING; WANG QIAOYI; YAHATA KENZO; ISO Kentaro; NAINI SANTHOSH REDDY; YAMASHITA SHUJI; LEE JIHOON; OHASHI ISAO; FUKUYAMA TAKASHI
权利人:HARVARD COLLEGE; EISAI R&D MAN CO LTD
摘要:The present invention provides methods for the synthesis of ketones involving a Ni/Zr-mediated coupling reaction. The Ni/Zr-mediated ketolization reactions can be used in the synthesis of halichondrins (e.g., halichondrin A, B, C; homohalichondrin A, B, C; norhalichondrin A, B, C), and analogs thereof. Therefore, the present invention also provides synthetic methods useful for the synthesis of halichondrins, and analogs thereof. Also provided herein are compounds (i.e., intermediates) useful in the synthesis of halichondrins, and analogs thereof. In particular, the present invention provides methods and compounds useful in the synthesis of compound of Formula (H3-A).

专利号:US-2010143980-A1
优先权日:2007-02-22
标题:Synthesis of novel xylosides and potential uses thereof
发明人：BALAGURUNATHAN KUBERAN; MANIVANNAN ETHIRAJAN; XYLOPHONE V VICTOR; TRAN VY MY; NGUYEN KHIEM
权利人:BALAGURUNATHAN KUBERAN; MANIVANNAN ETHIRAJAN; XYLOPHONE V VICTOR; TRAN VY MY; NGUYEN KHIEM
摘要:The present invention includes a xyloside for use in inducing synthesis of a glycosaminoglycan in a cell, the xyloside having a chemical structure of one of Formula (1), Formula (2), Formula (3), Formula (4), Formula (5), Formula (6), Formula (7), Formula (8), Formula (9), or Formula (10) as shown herein. Also, the present invention includes a method of making a xyloside for use in inducing synthesis of a glycosaminoglycan in a cell, wherein the method is performed with “Clickâ€? chemistry. Additionally, the present invention includes a method of administering a xyloside so as to induce synthesis of a glycosaminoglycan in a cell.

专利号:US-11719709-B2
优先权日:2020-02-14
标题 :Water soluble polymer surfactant for synthesis of functionalized polystyrene nanobeads towards detection of bilirubin in human serum
发明人：MAKKAD SARABJOT KAUR; SYAMAKUMARI ASHA
权利人:COUNCIL SCIENT IND RES
摘要:The present invention provides a water soluble polymer surfactant (PS-DGlu) of formula I which is utilized for synthesis of functionalized polystyrene nanobead covalently incorporating (oligo) p-phenylenevinylene (OPV) nanosensor (PSG-OPV-n) which in turn is useful for the detection of bilirubin in human serum. The present invention further provides a process for the preparation of the water soluble polymer surfactant (PS-DGlu) of formula (I) and a mini emulsion polymerization process for the synthesis of PSG-OPV-n.wherein, n is 30-50.The PSG-OPV-n nanosensor beads show selectivity towards detection of bilirubin in presence of interferences such as glucose, sucrose, metal ions, cholesterol, and biliverdin with limit of detection of 20 nM. Ultimately, the invention also provides a kit for visual detection of bilirubin in human serum.

专利号:US-11220513-B2
优先权日:2015-04-30
标题:Chromium-mediated coupling and application to the synthesis of halichondrins
发明人：KISHI YOSHITO; YAN WUMING; LI JINGWEI; LI ZHANJIE; YAHATA KENZO
权利人:HARVARD COLLEGE
摘要:The present invention provides unified synthesis of the C1-C19 building blocks of halichondrins and analogs thereof using selective coupling of poly-halogenated nucleophiles in chromium-mediated coupling reactions. The present invention also provides a practical and efficient synthesis of C20-C38 building blocks of halichondrins and analogs thereof. Also provided herein are general methods of selective activation and coupling of poly-halogenated analogs with an aldehyde. The provided coupling reactions are selective for halo-enone and halo-acetylenic ketal over vinyl halide and halide attached to a sp hybridized carbon. The provided efficient selective coupling reactions can allow easy access to the C1-C19 building blocks and C20-C38 building blocks of halichondrins and analogs thereof with limited or no purification or separation of the intermediates.