云南高校图书馆联盟文献共享服务平台- TRIBROMIDE

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Metal-Free Synthesis of β-Bromoalkenyl Sulfides via Deoxygenative Bromination/Olefination/Sulfenylation of Ketones with SulfonylHydrazides and Pyridinium Tribromide被引量：1: 《Chinese Journal of Chemistry》2018年第11期1063-1068,共6页Yishu Bao Lingyu Zhong Qiaodan Hou Qingfa Zhou Fulai Yang; This work was financially supported by the National Natural Science Foundation of China （Nos. 21502182, 21102179 and 21572271）, Qing Lan Project of Jiangsu Province, National Found for Fostering Talents of Basic Science （J1030830）, the Fundamen- tal Research Funds for the Central Universities （No. 3010050077） and Postgraduate Scientific Research Innovation Projects of Jiangsu Province （No. KYCX17_0664）.

α-Fe2O3 immobilized benzimidazolium tribromide as novel magnetically retrievable catalyst for one-pot synthesis of highly functionalized piperidines被引量：1: 《Chinese Chemical Letters》2016年第11期1725-1730,共6页Bappi Paul Sethumathavan Vadivel Siddhartha Sankar Dhar; financial support(STIS project sanction No.PA/254/23093-96); Nanostructured ot-Fe2O3 were prepared by precipitation followed by calcination method. Cetyltrimethylammonium bromide （CRAB） was used as surfactant. The nano α-Fe2O3 was then silanized with （3-chloropropyl）-triet...; 关键词：Nano α-Fe2O3 Covalent grafting Ionic liquid Multicomponent reaction

Preparation of aromatic nitriles via direct oxidative conversion of benzyl alcohols,aldehydes and amines with pentylpyridinium tribromide in aqueous NH_4OAc被引量：1: 《Chinese Chemical Letters》2015年第5期603-606,共4页Ghodsieh Bagherzade Abbas Zali Arash Shokrolahi; Pentylpyridinium tribromide and aqueous ammonium acetate was used for the rapid oxidative conversion of benzyl alcohols, benzaldehydes and benzyl amines to the corresponding benzonitriles in good to excellent yields. ...; 关键词：Nitriles Alcohols Amines Aldehydes Pentylpyridinium tribromide

Ammonium persulphate promoted synthesis of polyethylene glycol entrapped potassium tribromide and its application in acylation and bromination of some selective organic compounds被引量：1: 《Chinese Chemical Letters》2013年第10期866-868,共3页Rupa Rani Dey Siddhartha Sankar Dhar; the Department of Science and Technology,DST,New Delhi,India,for fnancial assistance received through a SERC fast track project(No.SR/FTP/CS-100/2007); In this study, a new method of synthesis of polyethylene glycol supported potassium tribromide （PEG KBr3） and its application in acylation and bromination reactions are reported. Ammonium persulphate oxidizes I（Br ...; 关键词：Potassium bromide Polyethylene glycol （PEG） Ammonium per sulphate Acylation Bromination

{[K.18-Crown-6]Br_3}_n:A tribromide catalyst for the catalytic protection of amines and alcohols: 《催化学报》2013年第9期1730-1733,共4页Gholamabbas Chehardoli Mohammad Ali Zolfigol Fateme Derakhshanpanah; support for this work from the research affairs of Hamedan University of Medical Sciences,Hamedan,I.R.Iran;partial support of this work by the Research Affairs Office of Bu-Ali Sina University;Center of Excellence in Development of Chemical Method(CEDCM)Hamedan,I.R.Iran; {[K.18-Crown-6]Br3}n,a unique tribromide-type catalyst,was utilized for the N-boc protection of amines and trimethylsilylation(TMS)and tetrahydropyranylation(THP)of alcohols.The method is general for the preparation o...; 关键词：{[K.18-Crown-6]Br3}n TRIMETHYLSILYLATION TETRAHYDROPYRANYLATION Alcohol Organic TRIBROMIDE N-boc PROTECTION of amine

一种高效简易的聚(4-乙烯基三溴化吡啶)催化乙醇合成乙酸盐的方法(英文)被引量：5: 《催化学报》2012年第10期1661-1664,共4页Maryam HAJJAMI Arash GHORBANI-CHOGHAMARANI Masoomeh NOROUZI; supported by the Research Facilities of Ilam University,Iran; Poly(4-vinylpyridinium tribromide) is an efficient catalyst for the conversion of various alcohols to their corresponding acetate derivatives with acetic anhydride.This method has some advantages such as mild reaction...; 关键词：ACYLATION poly(4-vinylpyridinium tribromide) acetic anhydride ALCOHOL ACETATE

Polyvinylpolypyrrolidonium tribromide as new and metal-free catalyst for the formylation and trimethylsilylation of hydroxyl group被引量：3: 《Chinese Chemical Letters》2011年第10期1207-1210,共4页Arash Ghorbani-Choghamarani Hamid Goudarziafshar Parisa Zamani; Trimethylsilylation of alcohols was achieved using 1,1,1,3,3,3-hexamethyldisilazane（HMDS） as silylating agent,in the presence of polyvinylpolypyrrolidonium tribromide in acetonitrile at room temperature.Also a varie...; 关键词：Polyvinylpolypyrrolidone Polyvinylpolypyrrolidonium tribromide FORMYLATION SILYLATION Ethyl format 1 1 1 3 3 3-Hexamethyl-disilazane（HMDS）

Pyridinium tribromide catalyzed condensation of indoles and aldehydes to form bisindolylalkanes被引量：2: 《Chinese Chemical Letters》2011年第5期515-518,共4页Qin Yang Zheng Lan Yin Ban Lai Ouyang YiYuan Peng; the National Natural Science Foundation of China(Nos.20862009 and 20962010);the National Natural Science Foundation of Jiangxi Province(No.2008GQH0026);the Science Foundation of Education Department of Jiangxi Province(No.GJJ10386) for their financial support; An efficient synthetic method for bis（indol-3-yl）alkane derivatives has been developed.In the presence of 5 mol%of pyridinium tribromide（PTB）,the condensation of indoles and aldehydes proceeded smoothly under mild...; 关键词：Pyridinium tribromide INDOLE ALDEHYDE Bis（indol-3-yl）alkane

Poly(4-vinylpyridinium tribromide) as metal-free,green and recoverable oxidizing polymer for the chemoselective oxidation of sulfides into sulfoxides被引量：1: 《Chinese Chemical Letters》2011年第1期114-118,共5页Arash Ghorbani-Choghamarani Mina Abbasi; Financial support for this work by the Ilam University,Ilam,Iran is gratefully acknowledged; Poly（4-vinylpyridinium tribromide） was prepared from poly（4-vinylpyridin） and used for the selective oxidation of a variety of sulfides to the corresponding sulfoxides. The oxidation reaction was carried out heter...; 关键词：Poly（4-vinylpyridinium tribromide） Poly（4-vinylpyridin） Sulfide SULFOXIDE Oxidation

A mild and efficient method for the methoxymethylation and acetylation of alcohols promoted by benzyltriphenylphosphonium tribromide: 《Chinese Chemical Letters》2010年第10期1187-1190,共4页Farhad Shirini Gholam Hossein Imanzadeh Seyyed Ali Reza Mousazadeh Iraj Mohammadpoor-Baltork Masoumeh Abedin; A mild and efficient method for the conversion of alcohols to their corresponding methoxymethyl ethers and acetates using benzyltriphenylphosphonium tribromide （BTPTB） as catalyst is described. All reactions were pe...; 关键词：Benzyltriphenylphosphonium tribromide ALCOHOLS Methoxymethylation ACETYLATION Heterogeneous reaction conditions

TRIBROMIDE