CAS: 117-39-5; 2-(3,4-Dihydroxyphenyl)-3,5,7-Trihydroxy-4H-Chromen-4-One

上下游产品

tamarixetin 3,3'-di-O-methylquercetin 2-benzo[1,3]dioxol-5-yl-3-hydroxy-5,7-dimethoxy-chromen-4-one rhamnetinretusin 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-4-chromenone pentamethyl quercetin

芦丁置于盐酸体系中,用 水 用作溶剂,化学反应 6.0H,反应生成槲皮素
参考文献:光谱方法在槲皮素-3-O-芸香糖苷的鉴定(ft-Ir,拉曼光谱)和测定(uv,Epr)中的应用.实验和基于dft的方法.
标题:光谱方法在槲皮素-3-O-芸香糖苷的鉴定(ft-Ir,拉曼光谱)和测定(uv,Epr)中的应用.实验和基于dft的方法.
摘要:进行振动光谱(ft-Ir,拉曼光谱)和电子光谱(uv,Epr)分析,以分析得自芸苔素的芸香苷(槲皮素-3-O-芸香糖苷).芦丁的鉴定是通过ft-Ir和拉曼光谱进行的.这些实验光谱是在基于dft方法的理论计算的支持下确定的,该方法具有b3Lyp杂合功能和6-31G(d,P)基础集.发现紫外线和epr光谱的应用是评估暴露于某些理化因素的芦丁变化的一种合适的分析方法.在直接紫外光谱中观测到的吸光度差异用于监测降解样品中芦丁浓度的变化.电子顺磁共振的光谱允许研究芦丁在暴露于光后的自由基猝灭过程.还确定了分子静电势(mep)和前沿分子轨道(lumo-Homo),以预测芦丁的结构变化和反应部位.
Doi:10.1016/j.Saa.2014.12.050

专利信息

专利号:US-2004266699-A1
优先权日:2001-10-04
标 题 :Flavonoid compounds capable of modifying the dynamic and/or physical state of biological membranes and to stimulate the endogenous synthesis of stress proteins in eukaryotic cells, relative synthesis and their use
发明人：PORTA AMALIA
摘要:The invention relates to flavonoids compounds of formula (I) and (II) capable of modifying the dynamic and/or physical state of biological membranes and to stimulate the endogenous synthesis of stress proteins in eukaryotic cells. Such compounds are molecules of plant origin or synthetic. The invention also describes a method to identify, purify and chemically synthesize such flavonoid compounds and test their efficacy through their capacity to stimulate the transcription of stress genes and as a consequence, to interact with biological membranes with alteration of their relative physical state. Such compounds and corresponding pharmaceutically acceptable derivatives and/or salts have applications in the areas of pharmaceuticals, more specifically in cosmetics and dermatology, for all those afections related to an alteration of the expression of stress genes.

专利号:US-2006128930-A1
优先权日:2004-12-03
标题 :Synthesis of sterically hindered phenol based macromolecular antioxidants
发明人：DHAWAN ASHISH; CHOLLI ASHOK L
权利人:DHAWAN ASHISH; CHOLLI ASHOK L
摘要:Disclosed is a method for the synthesis of sterically hindered polymeric antioxidants based on phenol type antioxidant monomers. The method includes polymerizing and alkylating a phenol containing monomer represented by the following structural formula: n n nto produce a sterically hindered polymeric macromolecular antioxidant. X, R 10 and q are as defined herein. The disclosed method is a simple, direct and economical process for the synthesis of sterically hindered polymeric macromolecular antioxidants.

专利号:US-7678877-B2
优先权日:2004-12-03
标题 :Process for the synthesis of polyalkylphenol antioxidants
发明人：YANG SUIZHOU; CHOLLI ASHOK L
权利人:POLNOX CORP
摘要:Disclosed is a method for the synthesis of sterically hindered polymeric antioxidants based on phenol type antioxidant monomers. The method includes partially etherifying, polymerizing and thermally rearranging a phenol containing monomer represented by the following structural formula: n nto produce a sterically hindered polymeric macromolecular antioxidant. X, R 10 and q are as defined herein. The disclosed method is a simple, direct and economical process for the synthesis of sterically hindered polymeric macromolecular antioxidants.

专利号:US-7435861-B2
优先权日:2005-04-29
标 题 :Methods for synthesis of carotenoids, including analogs, derivatives, and synthetic and biological intermediates
发明人：LOCKWOOD SAMUEL F; TANG PENG CHO; NADOLSKI GEOFF; JACKSON HENRY L; FANG ZHIQIANG; DU YISHU; YANG MIN; GEISS WILLIAM; WILLIAMS RICHARD; BURDICK DAVID
权利人:CARDAX PHARMACEUTICALS INC
摘要:A method for synthesizing intermediates for use in the synthesis of carotenoid synthetic intermediates, carotenoid analogs, and/or carotenoid derivatives. The carotenoid analog, derivative, or intermediate may be administered to a subject for the inhibition and/or amelioration of any disease that involves production of reactive oxygen species, reactive nitrogen species, radicals and/or non-radicals. In some embodiments, the invention may include methods for synthesizing chemical compounds including an analog or derivative of a carotenoid. Carotenoid analogs or derivatives may include acyclic end groups. In some embodiments, a carotenoid analog or derivative may include at least one substituent. The substituent may enhance the solubility of the carotenoid analog or derivative such that the carotenoid analog or derivative at least partially dissolves in water.

专利号:US-2008221377-A1
优先权日:2006-06-16
标题 :Methods for synthesis of carotenoids, including analogs, derivatives, and synthetic and biological intermediates
发明人：LOCKWOOD SAMUEL F; TANG PENG CHO; NADOLSKI GEOFF; JACKSON HENRY L; FANG ZHIQIANG; DU YISHU; YANG MIN; GEISS WILLIAM; WILLIAMS RICHARD; BURDICK DAVID; BRAUN CRISTI L
权利人:LOCKWOOD SAMUEL F; TANG PENG CHO; NADOLSKI GEOFF; JACKSON HENRY L; FANG ZHIQIANG; DU YISHU; YANG MIN; GEISS WILLIAM; WILLIAMS RICHARD; BURDICK DAVID; BRAUN CRISTI L
摘要:A method for synthesizing intermediates for use in the synthesis of carotenoid synthetic intermediates, carotenoid analogs, and/or carotenoid derivatives. The carotenoid analog, derivative, or intermediate may be administered to a subject for the inhibition and/or amelioration of any disease that involves production of reactive oxygen species, reactive nitrogen species, radicals and/or non-radicals. In some embodiments, the invention may include methods for synthesizing chemical compounds including an analog or derivative of a carotenoid. Carotenoid analogs or derivatives may include acyclic end groups. In some embodiments, a carotenoid analog or derivative may include at least one substituent. The substituent may enhance the solubility of the carotenoid analog or derivative such that the carotenoid analog or derivative at least partially dissolves in water.

专利号:WO-2025081225-A1
优先权日:2023-10-17
标 题 :Synthesis of polyphenols
发明人：TURLAND CADE LACHLAN; GROLMAN DAVID; BEHRENDORFF JAMES BRUCE YARNTON HAYCOCK; MORADI SHAYLI VARASTEH; THOMSON RAINE ELIZABETH STURT
权利人:Delica Therapeutics Pty Ltd
摘要:The present disclosure relates to polyphenols, including flavonoids, flavones and cannflavins, and methods of synthesising polyphenols. The present disclosure provides methods, enzymes and compositions that may be useful in the synthesis of polyphenols.