专利号:US-5965746-A 优先权日:1997-06-02 标题:Efficient method for the synthesis of N-cyclic maleamic acids and N-cyclic maleimides 发明人:FUJITA SATOSHI; REDDY PAIDI YELLA; TORU TAKESHI 权利人:AISIN SEIKI 摘要:Provided are methods for the synthesis of N-cyclic maleamic acids and N-cyclic maleimide derivatives, as well as N-cyclic maleamic acids and N-cyclic maleimides synthesized thereby. The method for synthesis of an N-cyclic maleamic acid involves reacting an amino group-containing N-cyclic compound with maleic anhydride in acetic acid to obtain an N-cyclic maleamic acid. An N-cyclic maleimide can be formed by adding hexamethyldisilazane to an N-cyclic maleamic acid prepared according to the above-described method, thereby cyclizing a maleamic acid site of the N-cyclic maleamic acid. The described methods allow for the products to be obtained at high yields.
专利号:US-10973847-B2 优先权日:2017-06-30 标题 :Core-to-surface polymerization for the synthesis of star polymers and uses thereof 发明人:JOHNSON JEREMIAH A; GOLDER MATTHEW R 权利人:MASSACHUSETTS INST TECHNOLOGY 摘要:Disclosed are methods, compositions, reagents, systems, and kits to prepare star polymers, as well as compositions and uses thereof. Various embodiments show that synthesis of these polymers contain low metal concentration to provide polymers for diverse biomedical applications including in vivo applications.
专利号:WO-9410327-A1 优先权日:1992-10-28 标 题 :Enzymatic synthesis of polyaniline 发明人:ZEMEL HAYA; QUINN JOHN F 权利人:ALLIED SIGNAL INC 摘要:This invention relates to a process for the enzymatic synthesis of electrically conductive substituted and unsubstituted polyanilines. Aniline monomer(s), an oxidizing agent, which comprises an enzyme and an electron acceptor, and an acidifying agent are reacted together to form polyanilines.
专利号:US-5420237-A 优先权日:1991-08-29 标 题:Enzymatic synthesis of polyaniline 发明人:ZEMEL HAYA; QUINN JOHN F 权利人:ALLIED SIGNAL INC 摘要:This invention relates to a process for the enzymatic synthesis of electrically conductive substituted and unsubstituted polyanilines. Aniline monomer(s), an oxidizing agent, which comprises an enzyme and an electron acceptor, and an acidifying agent are reacted together to form polyanilines.
专利号:US-6541653-B2 优先权日:2001-04-26 标题 :Synthesis of carbamate through low pressure heterogeneous oxidative carbonylation of amines 发明人:CHUANG STEVEN S C; CHI YAWU; CHEN BEI; TOOCHINDA PISANU 摘要:The process disclosed herein satisfies the need in the art for an industrially viable oxidative carbonylation catalytic system, and is capable of producing carbamates at a significantly higher rate than those processes reported in journal and patent literature. This reaction process takes place via a reaction mechanism that does not involve drastic conditions. Specifically, the catalytic system of the present invention employs Group VIII metal catalysts and/or copper-based catalysts with halide promoters to produce carbamates through heterogeneous oxidative carbonylation at atmospheric pressure and relatively non-drastic temperatures in a gas-solid carbonylation process.
专利号:US-2002183541-A1 优先权日:2001-04-26 标题:Synthesis of carbamate through low pressure heterogeneous oxidative carbonylation of amines
参考标题:Copper(Ii) Mediated Ortho C-H Alkoxylation Of Aromatic Amines Using Organic Peroxides: Efficient Synthesis Of Hindered Ethers 作者:Souvik Sarkar,Tapan Sahoo,Chiranjit Sen,Subhash Chandra Ghosh 摘要:Synthesis Of Hindered Alkyl Aryl Ether Derivatives (R-O-Ar) Remains A Huge Challenge And Highly Desirable In Organic And Medicinal Chemistry Because Extensive Substitution On The Ether Bond Prevents The Undesired Metabolic Process And Thus Avoids Rapid Degradation In Vivo. Herein, We Report An Unprecedented Hindered Alkoxylation Of Picolinamide Attached Aromatic Amines Using Economic Copper Salt And
合成参考文献
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