CAS: 533-75-5; 2-Hydroxycyclohepta-2,4,6-Trien-1-One

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6,6,7,7-Tetrafluoro-Cyclohepta-1,4-Diene置于potassium Acetate,溶剂黄146体系中,化学反应生成 环庚三烯酚酮
参考文献:A New Synthesis Of Tropolone
标题:A New Synthesis Of Tropolone
摘要:
DOI:10.1021/ja01547A050

专利信息

专利号:US-2008293096-A1
优先权日:2004-04-30
标 题:Enzyme and Template-Controlled Synthesis of Silica from Non-Organic Silicon Compounds as Well as Aminosilanes and Silazanes and Use Thereof
发明人：MULLER WERNER E G; SCHRODER HEINZ C
权利人:MULLER WERNER E G; SCHRODER HEINZ C
摘要:The present invention relates to a method for synthesis of amorphous silicon dioxide (silica, condensation products of silicic acid) and other polymeric metal (IV) compounds from non-organic silicon compounds or metal (IV) compounds as well as from aminosilanes and silazanes, whereby (I) a template (collagen or another molecule, interacting with orthosilicic acid or polymeric silicic acid and salts thereof or other metal (IV) compounds) and (2) a silicase/carbonic anhydrase or a silicatein or similar polypeptide are used for synthesis. Said invention also relates to the technical use thereof.

专利号:US-2004053355-A1
优先权日:2000-05-26
标题:Modular approach to on-line synthesis, drug discovery and biochemical transformations using immobilized enzyme reactors
发明人：WAINER IRVING; MARKOGLOU NEKTARIA
摘要:A coupled system using extremely different enzymes with incompatible cofactors and reaction conditions has been constructed using standard liquid chromatographic formats and open tubular formats. One of the significant aspects of the present invention lies in the development of the liquid chromatographic on-line enzyme cascade. This has been illustrated by the biosynthetic pathway involving dopamine beta-hydroxylase and phenylethanolamine N-methyltransferase which encompass the synthesis of the key neurotransmitters, norepinephrine and epinephrine. The results demonstrate for the first time the immobilization of dopamine beta-hydroxylase and phenylethanolamine N-methyltransferase. The IMERs are active and can be used in a liquid chromatographic format for qualitative and quantitative determinations. The IMER-HPLC system can be used to carry out standard Michaelis-Menten enzyme kinetic studies and to quantitatively determine enzyme kinetic constants, identify specific enzyme inhibitors, provide information regarding the mode of inhibition and the inhibitor constants (K i ). A second significant aspect of the present invention lies in the ability of the immobilized enzyme reactors to be used independently or as a combination, thus providing a unique opportunity to explore the interrelationships between these enzymes, to investigate the source of diseases and to design new drug entities for identified clinical syndromes.

专利号:WO-2019199375-A1
优先权日:2018-04-10
标 题 :Synthesis of boron complexes with oxygen-containing multidentate ligands
发明人：LU GANG
权利人:DOW SILICONES CORP
摘要:A method for preparing a boron complex is provided. The method comprises contacting and allowing to react at a temperature from 0 to 100°C: (a) an alkoxyborane of formula (I) wherein R1 and R2 independently are hydrogen, C1-C30 hydrocarbyl or C5-C30 heterocyclic; and R3 is C1-C30 hydrocarbyl; and (b) either (i) an α-diketo compound having from 4 to 30 carbon atoms, or (ii) a β-diketo compound having from 5 to 50 carbon atoms. A method for addition reaction polymerization using the boron complex obtained by said method is also provided.

专利号:US-5760119-A
优先权日:1995-10-06
标题:Method of stabilizing a melt of aliphatic and aromatic-aliphatic polyesters
发明人：RAFLER GERALD; WACHSEN OLAF; REICHERT KARL-HEINZ
权利人:FRAUNHOFER GES FORSCHUNG
摘要:A method of stabilization of a melt viscosity of aliphatic- and/or aromatic homo- and/or co-polyesters containing catalysts and/or initiators, involves adding a masking agent which is tropon, α-tropolon, thujaplicin, pupurogallin or mixtures thereof to a melt resulting during synthesis of polyesters or during regeneration of polyesters.

专利号:US-3833657-A
优先权日:1972-05-30
标题 :Synthesis of 2-methoxytropones
发明人：EVANS D; GREENWALD R
权利人:POLAROID CORP
摘要:THIS INVENTION RELATES TO AN IMPROVED METHOD OF SYNTHESIZING 2-METHOXYTROPONES IN HIGH YIELDS BY REACTING A 2-HYDROXYTROPONE WITH DIMETHYL SULFATE IN THE PRESENCE OF POTASSIUM CARBONATE.

专利号:US-8470288-B2
优先权日:2009-11-25
标题:Preparation of CZTS in an ionic liquid
发明人：IONKIN ALEX SERGEY
权利人:IONKIN ALEX SERGEY; DU PONT
摘要:The present invention relates to synthesis of copper zinc tin sulfide, Cu 2 ZnSnS 4 (CZTS) in an ionic liquid, using a mixture of copper-containing sulfides, zinc-containing sulfides, and tin-containing sulfides. Cu 2 ZnSnS 4 is useful as an absorber material in thin film solar cells.