CHROMONES

作品数：12被引量：21H指数：3
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Transition metal-free tunable synthesis of 3-(trifluoromethylthio)and 3-trifluoromethylsulfinyl chromones via domino C-H functionalization and chromone annulation of enaminones
《Chinese Chemical Letters》2024年第11期340-343,共4页Tao Zhou Jing Zhou Yunyun Liu Jie-Ping Wan Fen-Er Chen 
financially supported by National Natural Science Foundation of China(No.22161022)。
The new reactions between o-hydroxyphenyl enaminones and Langlois reagent(CF_(3)SO_(2)Na)for the tunable synthesis of 3-(trifluoromethylthio)chromones and 3-trifluoromethylsulfinyl chromones are reported herein.Both t...
关键词：ENAMINONE C-H functinalizaiton Tunable synthesis Trifluoromethylthiolation Trifluoromethylsulfination Transition metal-free Sulfur functionalized chromones 
Synthesis of 3-thiocyanated chromones via TCCA/NH_(4)SCN-mediated cyclization/thiocyanation of alkynyl aryl ketones
《Green Synthesis and Catalysis》2022年第2期198-201,共4页Jiaxi Xiao Zhenkang Ai Xuemin Li Sanqing Tao Bingyue Zhao Xiaofan Wang Xinbo Wang Yunfei Du 
We acknowledge the National Natural Science Foundation of China(No.22071175)for financial support;X.B.Wang thanks the financial support from the National Natural Science Foundation of China(Nos.21908018,22078174),and Qi Lu Young Scholar Start-up Foundation of Shandong University.
3-Thiocyanated chromones was conveniently synthesized from alkynyl aryl ketones using commercially available,inexpensive trichloroisocyanuric acid(TCCA)as oxidant and NH_(4)SCN as thiocyanato(SCN)source.This metalfree...
关键词：THIOCYANATION CYCLIZATION TCCA NH_(4)SCN CHROMONES 
Five new 2-(2-phenylethyl)chromone derivatives and three new sesquiterpenoids from the heartwood of Aquilaria sinensis, an aromatic medicine in China
《Natural Products and Bioprospecting》2022年第1期12-25,共14页Lu Zhang Ping Yi Hui Yan Xiao-Nian Li Meng-Yuan Xia Jun Yang Ji-Feng Luo Yue-Qiu He Yue-Hu Wang 
supported by Beijing Sino-Science Aquilaria Technology Co.,Ltd.,Beijing,China (no.KET202101).
Five new 2-(2-phenylethyl)chromone derivatives,(5S,6R,7R,8S,7ʹR)-7ʹ-hydroxyagarotetrol(1),(5S,6R,7R,8S,7ʹS)-7ʹ-hydroxyagarotetrol(2),(6S,7S,8R)-2-[2-(4-methoxyphenyl)ethyl]-6,7,8-trihydroxy-5,6,7,8-tetrahydrochromone(...
关键词：THYMELAEACEAE Aquilaria sinensis SESQUITERPENOIDS 2-(2-Phenylethyl)chromones Neuroprotective 
Sesquiterpenoids and 2-(2-Phenylethyl)chromone Derivatives from the Resinous Heartwood of Aquilaria sinensis被引量：2
《Natural Products and Bioprospecting》2021年第5期545-555,共11页Shu‑Ya Wei Dong‑Bao Hu Meng‑Yuan Xia Ji‑Feng Luo Hui Yan Jing‑Hua Yang Yun‑Song Wang Yue‑Hu Wang 
One novel spirolactone,aquilarisinolide(1),three new sesquiterpenoids,(2R,4S,5R,7R)-2-hydroxyeremophila-9,11-dien-8-one(2),(1R,4S,5S,7R,11R)-13-hydroxyepidaphnauran-9-en-8-one(3),and(4R,5S,7R,8S,10S,13R)-8,13-dihydrox...
关键词：THYMELAEACEAE Aquilaria sinensis SESQUITERPENOIDS 2-(2-phenylethyl)chromones NEUROPROTECTIVE 
Recent advances in the diversification of chromones and flavones by direct C-H bond activation or functionalization被引量：5
《Chinese Chemical Letters》2020年第12期3073-3082,共10页Shanghui Tian Tian Luo Yanping Zhu Jie-Ping Wan 
National Natural Science Foundation of China(Nos.21861019 and 21702091)for financial support。
Chromone and flavone are both central backbones of natural products and clinical medicines.Synthesis of diversely functionalized chromones and flavones constitutes significant research contents of the modern synthetic...
关键词：CHROMONES Flavones C—H bond ACTIVATION FUNCTIONALIZATION 
2-(2-Phenylethyl)chromones from Endophytic Fungal Strain Botryosphaeria rhodina A13 from Aquilaria sinensis被引量：5
《Chinese Herbal Medicines》2017年第1期58-62,共5页Yao Zhang Hong-xin Liu Wen-shan Li Mei-hua Tao Qing-ling Pan Zhang-hua Sun Wei Ye Hao-hua Li Wei-min Zhang 
National Basic Research Program of China(973 Program,2014CB460613);National Natural Science Foundation of China(81203006);Natural Science Foundation of Guangdong Province(2015A030313710);Guangdong Provincial Project for Science and Technology(2014A030304050,2015A030302060);Observation Station Foundation of Guangdong Academy of Science(Sytz201504,Sytz201511)
Objective To study the characteristic 2-（2-phenylethyl）chromone components of endophytic fungal strain of Aquilaria sinensis by solid culture. Methods The compounds were isolated by various chromatographic methods s...
关键词：AGARWOOD Aquilaria sinensis Botryosphaeria rhodina A13 2-（2-phenylethyl） chromones solid culture 
Optimization of Supercritical Fluid Extraction and Rapid Resolution LC-MS/ESI Identification of Chromones from Saposhnikoviae Radix through Orthogonal Array Design被引量：5
《Chinese Herbal Medicines》2016年第4期314-322,共9页Zhong-ming Han Xue Wang Miao-miao Xu Yun-he Wang Li-min Yang Mei Han 
National Natural Science Foundation of China(Grant No.31300270);the Technology Key Project of Jilin Province(Grant No.20130522048JH);the twelfth five-year science and technology plan project of Jilin Education Department(2015205)
Objective To establish a rapid and effective supercritical fluid extraction（SFE） and rapid resolution liquid chromatography method coupled with diode-array detector（RRLC-DAD） to quantify the chromones in a species...
关键词：orthogonal array design RRLC Saposhnikoviae Radix supercritical fluid extraction 
Process for the Preparation of Chromones, Isoflavones and Homoisoflavones Using Vilsmeier Reagent Generated from Phthaloyl Dichloride and DMF
《International Journal of Organic Chemistry》2014年第4期236-246,共11页Santosh Kumar Yadav 
Vilsmeier reagent formed from phthaloyl dichloride and DMF was found to be very effective for converting 2-hydroxyacetophenones, deoxybenzoins and dihydrochalcones into corresponding chromones, isoflavones and homoiso...
关键词：Phthaloyl DICHLORIDE DIMETHYLFORMAMIDE CHROMONES ISOFLAVONES Homoisoflavones BF3·Et2O Vilsmeier REAGENT 
Two new chromones and a new flavone glycoside from Imperata cylindrica被引量：3
《中国天然药物》2013年第1期77-80,共4页LIU Xuan ZHANG Bin-Feng YANG Li CHOU Gui-Xin WANG Zheng-Tao 
supported by the Shanghai Science and Technology Development Foundation(No.10DZ1970200);the Program for Changjiang Scholars and Innovative Research Team in University(No.IRT1071)~~
试图学习 Imperata cylindrica 的根茎的化学成分。混合物被硅石胶化和 Sephadex LH-20 列层析孤立的方法。他们的结构主要被分光镜的分析包括红外， HR-ESI-MS， 1D-NMR 和 2D-NMR 阐明。结果二新 chromones ，8-hydroxy-2-( 2-phenyle...
关键词：根茎 化合物 药物分析 白茅 
Chromones from an ascomycete,Chaetomium aureus被引量：1
《Chinese Chemical Letters》2010年第10期1203-1205,共3页Li Mei Li Qiang Zou Guo You Li 
supported by the National Natural Science Foundation of China(No.30972869 to L.M.Li and No. 30772771 to Q.Zou)
A novel chromone, named chaetoaurin （1）, along with six known chromone derivatives （2-7）, was isolated from the ethyl acetate extract of a solid-state fermented culture of Chaetomium aureus. Their structures were ...
关键词：Chaetomium aureus Chaetomiaceae CHROMONE Chaetoaurin 
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