Photoacid-Enabled Synthesis of Indanes via Formal [3 + 2] Cycloaddition of Benzyl Alcohols with Olefins
作者:Biao Yang、Kui Dong、Xiang-Sheng Li、Li-Zhu Wu、Qiang Liu
DOI:10.1021/acs.orglett.2c00566
日期:2022.3.18
photoacid system containing catalytic protonated merocyanine (MEH). Under visible-light irradiation, MEH yields a metastable spiro structure and liberated protons, which facilitates the formation of carbocations from benzyl alcohols, thus delivering diverse molecules in the presence of various nucleophiles. Mainly, a variety of indanes could be easily obtained from benzyl alcohols and olefins, and water
Method For Producing Low Molecular Weight Aromatic Lignin-Derived Compounds
申请人:CMBLU PROJEKT AG
公开号:US20190085006A1
公开(公告)日:2019-03-21
The present invention relates to a method for producing one or more low molecular weight aromatic lignin-derived compounds. The method preferably comprises providing lignocellulosic material, subjecting the lignocellulosic material to a pulping process, separating pulp to provide a substantially pulp-free process stream comprising a modified lignin-derived component, isolating the modified lignin-derived component, subjecting the isolated modified lignin-derived component to a decomposition step comprising oxidative cracking (cracking and oxidizing) or reducing under the influence of a catalyst or electro-oxidation, and subjecting the resulting products to an isolation step, to provide a low molecular weight aromatic lignin-derived compound. Said compound may be further modified, e.g. by annulation. The inventive method preferably comprises further oxidizing said compound to a redox active compound. Additionally, the present invention relates to compounds obtainable by the inventive method and to an assembly for carrying out the inventive method. Furthermore, the present invention refers to a method for providing an existing pulp and/or paper manufacturing plant with said assembly.
[EN] AMINATED LIGNIN-DERIVED COMPOUNDS AND USES THEREOF<br/>[FR] COMPOSÉS AMINÉS DÉRIVÉS DE LIGNINE ET LEURS UTILISATIONS
申请人:CMBLU PROJEKT AG
公开号:WO2019158615A1
公开(公告)日:2019-08-22
The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions as well as a redox flow battery comprising said compounds and compositions. Additionally, an assembly for carrying out the inventive method is provided.
Six monomericligninsulphonicacids of the syringyl series, previously isolated from spent sulphite liquor, have been synthesised, and their structures have been elucidated.