CAS: 1143-38-0; 1,8-Dihydroxyanthracen-9(10H)-One

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117-10-2 117-12-4 129-43-1

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10-Benzoyl-1,8-Dimethoxy-9-Hydroxyanthracene置于三溴化硼体系中,用 二氯甲烷 用作溶剂,化学反应 24.0H,反应生成地蒽酚
参考文献:蒽酮的合成.3.修订的制备路线为10-苯甲酰基-1,8-二羟基-9(10H)-蒽酮.
标题:蒽酮的合成.3.修订的制备路线为10-苯甲酰基-1,8-二羟基-9(10H)-蒽酮.
摘要:发现蒽林(1,8-二羟基-9(10H)-蒽酮)与乙酰水杨酰氯在甲苯和可力丁中的酰化作用产生的是o-酰化产物,而不是10-(乙酰水杨基)蒽林.描述了在10位上的蒽醌苯甲酰化的方法,该方法包括使1,8-二乙酰氧基-9(10H)-蒽酮与苯甲酰氯和氢化钠在thf中反应,然后水解中间体烯醇酯.此外,当苯甲酰氯和dmf用于蒽环的酰化时,观测到vilsmeier型反应,导致蒽环的新烯胺衍生物水解或苯甲酰化为烯醇酯或烯醇酯.
Doi:10.1021/jo952037L

专利信息

专利号:US-9035013-B2
优先权日:2010-08-04
标 题 :Sulphur-containing triazine monomer that can be used for the synthesis of a polymer membrane for a fuel cell
发明人：FEDURCO MILAN
权利人:FEDURCO MILAN; MICHELIN & CIE; MICHELIN RECH TECH
摘要:A sulphur-containing triazine monomer is provided that can be used in the synthesis of a polymer membrane for a PEM-type fuel cell. The sulphur-containing triazine monomer has a structure corresponding to a formula (I): n nin which:n Tz represents a 1,3,5-triazine nucleus; X 1 and X 2 , which are identical or different, represent S, SO, or SO 2 ; Ar 1 , Ar 2 , Ar 4 and Ar 5 , which are identical or different, represent a substituted or unsubstituted phenylene group; Ar 3 represents a substituted or unsubstituted phenyl group; and Z 1 and Z 2 , which are identical or different, are selected from a group that includes halogens, hydroxyl, alkoxyl, thiol, carboxyl, carboxylates, amine, sulphonamide, acyl chlorides, sulphonyl chlorides, sulphonyl fluorides, isocyanates, and combinations thereof.

专利号:US-6916982-B2
优先权日:2000-07-21
标题:Synthesis of perylene-porphyrin building blocks and polymers thereof for the production of light-harvesting arrays
发明人：LOEWE ROBERT S; TOMIZAKI KIN-YA; LINDSEY JONATHAN S
权利人:UNIV NORTH CAROLINA STATE
摘要:The present invention provides methods, compounds, and compositions for the synthesis of light harvesting arrays, such arrays comprising: (a) a first substrate comprising a first electrode; and (b) a layer of light harvesting rods electrically coupled to said first electrode, each of said light harvesting rods comprising a polymer of Formula I:n nX 1 X m+1 ) m   (I)n nwherein m is at least 1; X 1 is a charge separation group, and X 2 through X m+1 are chromophores. At least one of X 2 through X m+1 has at least one perylene group coupled thereto.

专利号:US-9783642-B1
优先权日:2016-04-12
标题 :Difunctional polyhedral oligomeric silsesquioxane derivative and synthesis thereof
发明人：LIN YUNG-CHIH; KUO SHIAO-WEI
权利人:NAT SUN YAT-SEN UNIV
摘要:A difunctional polyhedral oligomeric silsesquioxane derivative and synthesis of the present invention is disclosed. The difunctional polyhedral oligomeric silsesquioxane derivative is represented by following formula (I), wherein R is selected from one of n nandn n nThe synthesis of the difunctional polyhedral oligomeric silsesquioxane derivative includes obtaining bis-PA-DDSQ compound though addition reaction of DDSQ compound and 4-acetoxystyrene, obtaining bis-Ph-DDSQ compound though hydrolytic reaction of bis-PA-DDSQ compound and hydrazine, and obtaining bis-AlBz-DDSQ compound though cycloaddition reaction of bis-Ph-DDSQ compound and paraformaldehyde.

专利号:US-11629223-B2
优先权日:2018-01-11
标 题:Synthesis of polymers from cyclic diolides
发明人：CHEN EUGENE Y; TANG XIAOYAN
权利人:UNIV COLORADO STATE RES FOUND
摘要:Biodegradable polymers with advantageous physical and chemical properties are described, as well as methods for making such polymers. In one embodiment, a new chemical synthesis route to technologically important biodegradable poly(3-hydroxybutyrate) (P3HB) with high isotacticity and molecular weight required for a practical use is described. The new route can utilize racemic eight-membered cyclic diolide (rac-DL), meso-DL, or a rac-DL and meso-DL mixture, derived from bio-sourced dimethyl succinate, and enantiomeric (R,R)-DL and (S,S)-DL, optically resolved by metal-based catalysts. With a stereoselective racemic molecular catalyst, the ROP of rac-DL under ambient conditions produces rapidly P3HB with essentially perfect isotacticity ([mm]>99%), high crystallinity and melting temperature (T m =171° C.), as well as high molecular weight and low dispersity (M n =1.54×10 5 g/mol, Ã?=1.01).

专利号:US-6264962-B1
优先权日:1997-12-19
标 题:Use of cinnamic acid or of at least one of its derivatives in a cosmetic composition
发明人：BRETON LIONEL; GIRERD FLORENCE; RENAULT BEATRICE
权利人:OREAL
摘要:The invention relates to the use of cinnamic acid, or of at least one of its derivatives, in a cosmetic composition as an agent for promoting the synthesis of the skin's total lipids. n The invention also relates to a cosmetic composition comprising an effective amount of cinnamic acid or of at least one of its derivatives.

专利号:US-2007172520-A1
优先权日:2005-11-18
标题:Immunotargeting of Nonionic Surfactant Vesicles
发明人：VANAUKER MICHAEL; PLAAS ANNA; HOOD ELIZABETH
权利人:UNIV SOUTH FLORIDA
摘要:An immunoniosmes for targeted delivery of therapeutic agents to specific tissues in a host and methods of synthesis of those niosomes. An antibody molecule having specificity for a target antigen, such as a cell surface marker or other marker differentially expressed on a target cell, is covalently coupled to a functionalized membrane constituent. In a particular embodiment the functionalized membrane constituent is polyoxyethylene sorbitan monostearate functionalized with cyanuric chloride. The niosomes of this invention thus provide a composition that enhances internalization or retention of the bioactive agent of the niosome into the cytoplasm of the cells of the target tissue by providing a high degree of target specificity. Furthermore, the membrane vesicle enhances the life of the therapeutic agent by preventing its degradation in the extracellular environment, while exhibiting lower toxicity than can occur with some liposomes. The niosomes of the present invention are thus particularly useful as vehicles for the delivery of therapeutics to specific target cells.