云南高校图书馆联盟文献共享服务平台- HYDROXYALKYLATION

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Covalently tethering disulfonic acid moieties onto polyoxometalate boosts acid strength and catalytic performance for hydroxyalkylation/alkylation reaction被引量：1: 《Science China Chemistry》2022年第4期699-709,共11页Lifei Lian Yubing Liu Xianfeng Yi Hanbin Hu Xiang Chen Hongqiang Li Wei Chen Anming Zheng Yu-Fei Song; supported by the National Key Research and Development Program of China(2017YFB0307303);the National Nature Science Foundation of China(21625101,21521005);the Fundamental Research Funds for the Central Universities(XK1802-6,XK1803-05,XK1902,12060093063)。; Solid acid catalysts are widely used in the production of various high-value added and industrially important chemicals.Although the use of organosilicon compounds to modify the vacancy site has been extensively studi...; 关键词：POLYOXOMETALATES sulfonic acid covalent modifications acid catalysis alkylation reaction

Molecular oxygen-mediated selective hydroxyalkylation and alkylation of quinoxalin-2(1H)-ones with alkylboronic acids: 《Chinese Chemical Letters》2022年第4期2036-2040,共5页Hongdou Zhang Jun Xu Yani Ouyang Xiaoguang Yue Chenxin Zhou Zhigang Ni Wanmei Li; Natural Science Foundation of Zhejiang Province(No. LY21B060009) for financial support。; Herein, an efficient molecular oxygen-mediated method for the selective hydroxyalkylation and alkylation of quinoxalin-2(1 H)-ones with alkylboronic acids under transition-metal free conditions has been developed. Thi...; 关键词：Quinoxalin-2(1H)-ones Molecular oxygen Alkyl boric acid C-C C-O bond formations

Visible light-induced hydroxyalkylation of 2H-benzothiazoles with alcohols via selectfluor oxidation: 《Chinese Chemical Letters》2020年第12期3245-3249,共5页Yaolei Kong Wenxiu Xu Xinghai Liu Jianquan Weng; the financial support by the National Natural Science Foundation of China(No.30900959);the Natural Science Foundation of Zhejiang Province(No.LY17C140003)。; A visible-light induced metal-free approach was described for the hydroxyalkylation of 2 Hbenzothiazoles with alcohols by using selectfluor as the oxidant.A variety of 2 H-benzothiazoles and alcohols could be tolerate...; 关键词：Visible light-induced HYDROXYALKYLATION 2H-Benzothiazole Alcohol SELECTFLUOR

Hydroxyalkylation of Cyclic Imides with Oxiranes Part III. Mechanism of the Reaction in Presence of Sodium Hydroxide Catalyst: 《Open Journal of Physical Chemistry》2018年第3期67-79,共13页Jacek Lubczak Renata Lubczak Dorota Naróg; The kinetics of reaction between cyclic monoimides (succinimide, phtalimide, and glutarimide) with ethylene and propylene oxides in presence of sodium hydroxide was studied. The effect of substrate and catalyst concen...; 关键词：IMIDES OXIRANES CATALYST Kinetic Reactivity of Reagents Thermodynamic Parameters MECHANISM of REACTION

Highly controllable and selective hydroxyalkylation/alkylation of 2-methylfuranwith cyclohexanone for synthesis of high-densitybiofuel: 《教学与科技》2017年第1期9-15,共7页Qiang Deng Peijuan Han Jisheng Xu Ji-Jun Zou Li Wang Xiangwen Zhang; 关键词：管理培训培训依据培训体系培训策划

Fe-catalyzed regioselective Friedel–Crafts hydroxyalkylation of N-substituted glyoxylamide with indoles: 《Chinese Chemical Letters》2016年第1期41-46,共6页Yang Zheng Ren-Jun Li Zhen Zhan Yan Zhou Li Hai Yong Wu; the National Natural Science Foundation of China (Nos. 21472130, 81373259) for financial support of this study; An efficient regioselective Friedel-Crafts hydroxyalkylation of N-substituted glyoxylamide with various indoles catalyzed by Lewis acids was developed. The reactions proceeded smoothly at room temperature and the 2-hy...; 关键词：Friedel-Crafts hydroxyalkylation N-substituted glyoxylamide Indole Lewis acid 2-Hydroxy-2-（1H-indol-3-yl）-N substituted acetamide Bisindole compounds

Hydroxyalkylation of Cyclic Imides with Oxiranes Part I. Kinetics of Reaction in Presence of Triethylamine as Catalyst: 《Open Journal of Physical Chemistry》2012年第2期88-96,共9页Jacek Lubczak; Literature describes kinetics of reactions of alcohols, phenols, carboxylic acids, amines and amides with oxiranes such as ethylene oxide and propylene oxide. However, there is no information regarding kinetic of reac...; 关键词：IMIDES OXIRANES KINETIC REACTIVITY Influence of Solvents

Hydroxyalkylation of Cyclic Imides with Oxiranes. Part II. The Mechanism of Reaction in Presence of Triethylamine: 《Open Journal of Physical Chemistry》2012年第2期97-102,共6页Jacek Lubczak; The mechanism of reaction of cyclic monoimides with oxiranes was established based upon kinetic studies and product analysis. It has been established that the reaction proceeds through initial formation of an adduct o...; 关键词：IMIDES OXIRANES MECHANISM KINETICS Non-Kinetics Evidences

Generation and α-hydroxyalkylation of a novel 3-piperidinol N-α-carbanion intermediate被引量：3: 《Science China Chemistry》2009年第10期1631-1638,共8页ZHENG Xiao CHEN Guo RUAN YuanPing HUANG PeiQiang; Supported by the National Natural Science Foundation of China (Grant No. 20832005); The (S)-sulfide 6 has been synthesized as a synthetic equivalent of novel 3-piperidinol N-α-carbanion B via deprotonation and lithium naphthanelide (LN)-mediated reductive lithiation. The reaction of the 3-piperidino...; 关键词：sulfide N-α-carbanion lithium-naphthanelide reductive LITHIATION CARBONYL compounds α-hydroxyalkylation DIASTEREOSELECTIVITY

A New Asymmetric α-Amido-hydroxyalkylation Mediated by SmI_2: 《合成化学》2004年第z1期50-50,共1页ZHENG Xiao FENG Chen-Guo HUNG Pei-Qiang; Supported by the National Science Fund for Distinguished Young Investigators; the NNSF ofChina (20272048; 203900505); the Ministry of Education (Key Project 104201); and the Specialized Research Fundfor the Doctoral Program of Higher Education (20020384004); 关键词：α-amido carbanions asyrmmetric synthesis SmI2 PYRIDYL sulfides HYDROXYALKYLATION

HYDROXYALKYLATION