专利号:US-6962963-B2 优先权日:2002-10-18 标题 :Enzymatic synthesis of polymers 发明人:KUMAR RAJESH; WATTERSON ARTHUR C; PARMAR VIRINDER SINGH; KUMAR JAYANT; SAMUELSON LYNNE ANN 权利人:UNIV MASSACHUSETTS 摘要:The invention relates to new methods of enzymatic synthesis of polymers such as polyorganosilicones and polyesters, and new polymers made by these methods.
专利号:WO-2025149479-A1 优先权日:2024-01-12 标题:Synthesis of modified nucleoside triphosphates 发明人:KUCHELMEISTER HANNES; PFAFFENEDER TONI; MEX MARTIN; VETH SIMON; MENKE JAN-MICHAEL 权利人:ROCHE DIAGNOSTICS GMBH 摘要:The invention relates to a new diastereoselective synthesis method for highly modified nucleoside triphosphates with two conjugable groups. The method works in liquid phase with conventional laboratory equipment as used in any chemical laboratory or production. For this, a new chiral P(V) phosphorylation reagent has been designed that allows highly efficient diastereoselective synthesis under mild conditions. Overall, a highly efficient, diastereoselective, high quality, cost-effective synthetic method of modified nucleoside triphosphates has been developed.
专利号:US-8722846-B2 优先权日:2011-12-08 标题 :Preparation of homopolymer and copolymers of (phosphonyl)aromatic diesters and acids 发明人:DRYSDALE NEVILLE EVERTON; NEDERBERG FREDRIK 权利人:DRYSDALE NEVILLE EVERTON; NEDERBERG FREDRIK; DU PONT 摘要:The composition of a homopolymer of (phosphonyl) aromatic diester compound using a catalyst and a glycol is provided. Further, the composition of a copolymer of the (phosphonyl) aromatic diester compound using a catalyst, a glycol and a second diester is provided. These polymers find application as flame retardants during synthesis of various polymeric materials.
专利号:US-9193659-B2 优先权日:2008-02-20 标 题 :Process for the iodination of aromatic compounds 发明人:GIOVENZANA GIOVANNI BATTISTA; CAVALLOTTI CAMILLA; LATTUADA LUCIANO; UGGERI FULVIO 权利人:GIOVENZANA GIOVANNI BATTISTA; CAVALLOTTI CAMILLA; LATTUADA LUCIANO; UGGERI FULVIO; BRACCO IMAGING SPA 摘要:The present invention relates to a process for the preparation of iodinated phenols, —in particular, it relates to a process including the electrochemical iodination of 3,5-disubstituted phenols of formula (1) to the corresponding 3,5-disubstituted-2, 4,6-triiodophenols of formula (2), which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves. Furthermore, the present invention includes the electrochemical iodination of 3, 5- disubstituted anilines of formula (6) to the corresponding 3,5-disubstituted-2,4,6-triiodoanilins of formula (7).
专利号:US-6828466-B2 优先权日:2002-07-19 标题:Process for the synthesis of phenols from arenes 发明人:MALECZKA JR ROBERT E; SMITH III MILTON R; HOLMES DANIEL; SHI FENG 权利人:UNIV MICHIGAN STATE 摘要:A process to synthesize substituted phenols such as those of the general formula RR'R''Ar(OH) wherein R, R', and R'' are each independently hydrogen or any group which does not interfere in the process for synthesizing the substituted phenol including, but not limited to, halo, alkyl, alkoxy, carboxylic ester, amine, amide; and Ar is any variety of aryl or hetroaryl by means of oxidation of substituted arylboronic esters is described. In particular, a metal-catalyzed C-H activation/borylation reaction is described, which when followed by direct oxidation in a single or separate reaction vessel affords phenols without the need for any intermediate manipulations. More particularly, a process wherein Ir-catalyzed borylation of arenes using pinacolborane (HBPin) followed by oxidation of the intermediate arylboronic ester by OXONE is described.
专利号:US-8779186-B2 优先权日:2009-09-02 标题 :Process for the synthesis of fluorinated ethers of aromatic acids 发明人:DRYSDALE NEVILLE EVERTON; MOLOY KENNETH GENE; RITTER JOACHIM C; POLLINO JOEL M; MAHAJAN DU SURBHI 权利人:DRYSDALE NEVILLE EVERTON; MOLOY KENNETH GENE; RITTER JOACHIM C; POLLINO JOEL M; MAHAJAN DU SURBHI; DU PONT 摘要:New fluorinated ethers of aromatic acids and diesters are disclosed. These compositions can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved.
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合成参考文献
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