专利号:WO-2017109521-A1 优先权日:2015-12-21 标题 :A method for the synthesis of a bivalent tin oxy-hydroxide adsorbent for the removal of hexavalent chromium from water, particularly drinking water, the adsorbent and its use 发明人:MITRAKAS MANASSIS; KAPRARA EFTHYMIA; SYMEONIDIS KONSTANTINOS 权利人:ARISTOTLE UNIV OF THESSALONIKI - E L K E 摘要:The present invention refers to a method for the synthesis of an adsorbent which is realized by the production of a bivalent tin oxy-hydroxide [Sn x O y (OH) z ], with 1 专利号:WO-2023111422-A1 优先权日:2021-12-17 标题:Electrolytic system for the synthesis of sodium perchlorate 发明人:RUMEAU NICOLAS; JEAN ALAIN; ONGARO CHRISTOPHE; GUERBERT ARNAUD; DELMAS ELSA 权利人:ARIANEGROUP SAS 摘要:The invention relates to an electrolytic system (1) for the synthesis of sodium perchlorate by electrochemical oxidation of sodium chlorate, said system comprising at least: - an electrolytic cell (3) defining a synthesis volume (V) and comprising an anode (5), which has an outer surface made of boron-doped diamond, a cathode (7), which has an outer surface made of stainless steel or graphite, and also a seal (9), which is between the anode and the cathode and defines the synthesis volume, the electrolytic cell having an inlet port (71), which is made through the cathode or the anode and is in communication with the synthesis volume, and an outlet port (73), which is made through the cathode or the anode and is in communication with the synthesis volume; - an assembly for the storage and circulation of an electrolyte, comprising: • a storage tank (10) which contains an electrolyte (12) comprising sodium chlorate and is in communication with the inlet port via an inlet pipe (14) intended for the introduction of the electrolyte into the synthesis volume, and • an outlet pipe (40) which is in communication with the outlet port intended for discharging the electrolyte from the synthesis volume; and - an electric generator connected to the anode and to the cathode.
专利号:US-11891351-B2 优先权日:2020-03-20 标 题 :Synthesis of capsaicin derivatives 发明人:LAGER ERIK 权利人:AXICHEM AS 摘要:The present invention relates to the synthesis of capsaicin derivatives, specifically to the synthesis of 6-heptyne derivatives of capsaicin.
专利号:US-9126995-B2 优先权日:2011-11-08 标题:Method for catalytic asymmetric synthesis of optically active isoxazoline compound and optically active isoxazoline compound 发明人:TOYAMA KEN-ICHI; MORIYAMA YUJI; MATOBA KAZUTAKA; YAOSAKA MANABU; IKEDA EITATSU 权利人:NISSAN CHEMICAL IND LTD 摘要:There is provided a method for catalytic asymmetric synthesis of optically active isoxazoline compound and an optically active isoxazoline compound. A method for catalytic asymmetric synthesis of optically active isoxazoline compound of a formula (6) including reacting an α,β-unsaturated carbonyl compound of a formula (1) and a hydroxylamine in a solvent in the presence of a base by adding a chiral phase transfer catalyst. An optically active isoxazoline compound of a formula (13) that can be synthesized by the method.
专利号:US-3875167-A 优先权日:1972-05-26 标 题 :Synthesis of thalicarpine 发明人:KUPCHAN S MORRIS; LIEPA ANDRIS J 权利人:RESEARCH CORP 摘要:There is disclosed a novel total synthesis of thalicarpine which includes inter alia a total synthesis of hernandaline. The novel process is characterised in utilizing simple and readily available starting materials to form a diaryl ether system which is then condensed with a 3,4-dihydroisoquinolinium salt which is then converted to hernandaline. Hernandaline is reacted with a bicyclic Reissert compound to yield a compound having the thalicarpine skeleton, nascent hydrogen reduction yields Nmonodesmethyl thalicarpine which is methylated.
专利号:US-2023183177-A1 优先权日:2020-04-24 标题:Enantioselective chemo-enzymatic synthesis of optically active amino amide compounds 发明人:GRILL BIRGIT; WINKLER MARGIT; SCHWAB HELMUT; STROHMEIER GERNOT; DONSBACH KAI; WALDVOGEL SIEGFRIED R; ARNDT SEBASTIAN; WEIS DOMINIK 权利人:PHARMAZELL GMBH 摘要:The present invention relates to a novel biocatalytic process for the stereoselective preparation of alpha amino amide compounds catalyzed by NHase enzymes. A further aspect of the invention relates to novel NHase enzymes as well as further improved NHase enzyme mutants, nucleic acid molecules encoding these enzymes, recombinant microorganisms suitable for preparing such enzymes and mutants. Another aspect of the invention relates to a chemo-biocatalytic process for the preparation of lactam compounds comprising the new catalytic process for the preparation of alpha amino amide compounds catalyzed by NHase enzymes, as well as the chemical oxidation of the alpha amino amide by applying certain chemical oxidation catalysts suitable for converting the alpha amino amide under retention of its stereochemical configuration to the respective lactam. The novel chemo-biocatalytic process is particularly suited for the synthesis of valuable pharmaceutical compounds, like in particular (S)-Levetiracetam.
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