CiNii Articles - imidazolium salt

1

AN EFFECTIVE PROCEDURE TO PROMOTE AZA-PRINS CYCLIZATION REACTIONS EMPLOYING A COMBINATION OF FERRIC CHLORIDE AND AN IMIDAZOLIUM SALT IN BENZOTRIFLUORIDE (Dedicated to Professor Dr. Ei-ichi Negishi on the occasion of his 77th birthday)

Osawa Chika , Tateyama Minami , Miura Kensuke [他]

Heterocycles : an international journal for reviews and communications in heterocyclic chemistry 86(2), 1211-1226, 2012-12-31
2

Thermodynamic study of POSS-based ionic liquids with various numbers of ion pairs

TANAKA Kazuo , ISHIGURO Fumiyasu , CHUJO Yoshiki

Polymer journal 43(8), 708-713, 2011-08-15

References (37)
3

Synthesis and properties of N[1]-(3-methoxypropyl)-N[3]-methylimidazolium salts

Miyazaki Eigo , Ishine Nozomi , Takimiya Kazuo [他]

Heterocycles 82(2), 1317-1325, 2011-03-01
4

An 8-sulfonamidoquinoline derivative with imidazolium unit as an extraction reagent for use in ionic liquid chelate extraction systems

Morita Keisuke , Hirayama Naoki , Morita Kotaro , Imura Hisanori

… To evaluate the superiority of using a task-specific onium salt (TSOS), a novel TSOS reagent 1-methyl-3-[2-(8-quinolinylaminosulfonyl)ethyl]imidazolium chloride (HmimesqCl) was synthesized, and its performance in extraction of different divalent metal cations was investigated. … This TSOS reagent has both a cationic imidazolium unit and an anionic (proton-dissociable) complexation unit for the extraction of metal cations into an ionic liquid. …

680 1-2, 21-25, 2010-11-08

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5

Grignard allylic substitution catalyzed by imidazol-2-ylideneand

Okamoto Sentaro , 岡本専太郎 , Ishikawa Hiroyuki , Shibata Yoshimi , Suhara Yu-ichiro

… In the presence of a catalytic amount of 1,2-disubstituted or 1,2,3-trisubstituted imidazolium salts, γ-substituted allyl chlorides reacted with alkyl Grignard reagents to undergo substitution reactions in an SN2′-selective fashion, where the magnesium ate complexes [(N-heterocyclic carbene-MgR3)－(MgX)+] of imidazol-2-ylidenes or imidazol-4-ylidenes, generated in situ, were postulated as the active species. … Enantioselective catalysis using a chiral imidazolium salt was preliminarily investigated. …

Tetrahedron Letters 51(43), 5704-5707, 2010-10-27

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6

Addition effects of imidazolium salts on mesophase structure and optical properties of concentrated hydroxypropyl cellulose aqueous solutions

CHIBA Ryotaro , ITO Mitsuhiro , NISHIO Yoshiyuki

Polymer journal 42(3), 232-241, 2010-03-15

References (40) Cited by (1)
7

Design of reaction media for nucleophilic substitution reactions by using a catalytic amount of an amphiphilic imidazolium salt in water

Asano Keisuke , Matsubara Seijiro

Heterocycles 80(2), 989-1002, 2010-03-01
8

Effect of constituent ion in ionic liquids on photostability

井上信洋 , 石岡寿雄 , 原田明 , Inoue Nobuhiro , Ishioka Toshio , Harata Akira , イノウエノブヒロ , イシオカトシオ , ハラタアキラ

… Photodegradation products of imidazolium ionic liquids by using 266nm laser irradiation are reported. … The main photodegraded products are the imidazolium salt with butyl chain dissociated. … These results indicate that for photochemical reaction in imidazolium ionic liquids by using UV light source should be noted and the deactivation caused by the photolysis of ionic liquids should be considered. …

九州大学大学院総合理工学報告 31(3), 1-4, 2009-12-00

IR
9

Characterization of Functionalized Imidazolium Ionic Liquids and Their Lithium Salt Solutions

EGASHIRA Minato , SUMIMOTO Michinori , YOSHIMOTO Nobuko , MORITA Masayuki , HORI Kenji

Electrochemistry 77(3), 237-240, 2009-03-05

References (17)
10

Recent Development of Enzymatic Reaction Systems Using Ionic Liquids [in Japanese]

ITOH Toshiyuki

… We next attempted to evaluate the imidazolium salts again to see if they were suitable for recycling use of the enzyme using vinyl acetate as acyl donor. … A remarkable acceleration was accomplished by the alkylPEG sulfate imidazolium salt (IL1) coating with lipase PS in an i-Pr2O solvent system while maintaining excellent enantioselectivity: ca. …

Journal of Synthetic Organic Chemistry, Japan 67(2), 143-155, 2009-02-01

J-STAGE CrossRef References (93)
11

Characterization of Functionalized Imidazolium Ionic Liquids and Their Lithium Salt Solutions

EGASHIRA Minato , SUMIMOTO Michinori , YOSHIMOTO Nobuko , MORITA Masayuki , HORI Kenji

… On ionic liquids having functional groups in the side chain of their imidazolium cations, their characterization has been carried out. … The ion conduction properties of the lithium salt solutions of these ionic liquids have also been investigated Proton NMR measurement reveals that CmMI cation has a tendency of charge localization than other imidazolium cations. …

Electrochemistry 77(3), 237-240, 2009

J-STAGE CrossRef
12

The Addition of Ethylene Carbonate to Ionic Liquid Gel Electrolyte for Lithium Batteries

EGASHIRA Minato , YOSHIMOTO Nobuko , MORITA Masayuki

… The influence of ethylene carbonate (EC) addition in the lithium salt solution of the ionic liquids based on 1-ethyl-3-methyl imidazolium (EMI) and hexyltrimethyl ammonium (HTMA) cations on the electrochemical properties of the gel polymer electrolyte containing the solutions and a polymer matrix with poly(ethylene oxide) side chain has been investigated. …

Electrochemistry 77(8), 652-655, 2009

J-STAGE CrossRef
13

Alkyl-Chain Length Effects of Imidazolium and Pyridinium Ionic Liquids on Photosynthetic Response of Pseudokirchneriella subcapitata(ENVIRONMENTAL BIOTECHNOLOGY)

Pham Thi Phuong Thuy , Cho Chul-Woong , Min Jiho , Yun Yeoung-Sang

… The toxicities of imidazolium- and pyridinium-based ionic liquids with various alkyl-chain lengths were investigated on the photosynthetic activity of the alga Pseudokirchneriella subcapitata. … Our results show that an imidazolium compound with four carbons in the alkyl chain was the least toxic salt, and should be preferred over pyridinium entity. …

Journal of bioscience and bioengineering 105(4), 425-428, 2008-04-25

CiNii Fulltext PDF - Paid References (13)
14

New Developments in the N-Heterocyclic Carbene Chemistry : Application as Organocatalysts [in Japanese]

SUZUKI Yumiko

… N-heterocyclic carbenes generated from imidazolium, benzimidazolium, triazolium, pyrido[1, 2-c]imidazolium, pyrido[2, 1-c]triazolium, and dipyrido[1, 2-c : 2'1'-e]imidazolium iodide were found to be effective catalysts in benzoin condensation. … The acidity of the azolium salts at the C2-hydrogen of the imidazolium or the triazolium moieties relates to the base effect on the reaction. …

Journal of Synthetic Organic Chemistry, Japan 66(4), 377-386, 2008-04-01

J-STAGE CrossRef References (110)
15

Synthesis of Transition-metal NHC Complexes using "Protected" NHC Adduct [in Japanese]

Yamaguchi Yoshitaka

… The most common method for the preparation of NHC complexes is direct complexation of the free NHC with the metal, in which the free NHC, either isolated or generated <I>in situ</I>, is produced by deprotonation of the corresponding salt as the NHC precursor. …

Bulletin of Japan Society of Coordination Chemistry 52, 43-54, 2008

J-STAGE CrossRef
16

Voltammetric Behavior of Ruthenium Oxide in Organic Electrolyte Containing Imidazolium Salt

EGASHIRA Minato , UNO Tomoya , YOSHIMOTO Nobuko , MORITA Masayuki

Electrochemistry 75(8), 595-597, 2007-08-05

References (19)
17

Voltammetric Behavior of Ruthenium Oxide in Organic Electrolyte Containing Imidazolium Salt

EGASHIRA Minato , UNO Tomoya , YOSHIMOTO Nobuko , MORITA Masayuki

… Some kinds of solvents such as acetonitrile promote substantial capacitance of ruthenium oxide in imidazolium-based electrolyte salt over tetraethylammonium-based one, while propylene carbonate exhibited no such difference between these two electrolyte systems. … The pseudo-capacitance of ruthenium oxide in imidazolium-based electrolyte is stable over cycles under limited anodic potential range of 0.5 V vs. Ag. …

Electrochemistry 75(8), 595-597, 2007

J-STAGE CrossRef
18

Function of an N-Heterocyclic Carbene Ligand Based on Concept of Chiral Mimetic

ARAO Takafumi , SATO Kei , KONDO Kazuhiro , AOYAMA Toyohiko

Function of a new N-heterocyclic carbene ligand based on the concept of a chiral mimetic is described. With (4R, 5R)-4,5-diphenyl-1,3-dialkyl-4,5-dihydro-3H-imidazol-1-ium tetrafluoroborates as N-hete …

Chemical & pharmaceutical bulletin 54(11), 1576-1581, 2006-11-01

CiNii Fulltext PDF - Open Access J-STAGE CrossRef References (28) Cited by (1)
19

An Efficient and Convenient Method for Synthesis of 1-Substituted Imidazoles

Lin Chun Min , Wong Fung Fuh , Huang Jiann-Jyh [他]

Heterocycles 68(7), 1359-1370, 2006-07-01
20

1,3-Dibromo-5,5-dimethylhydantoin as a New Imidazolidine Dehydrogenating Agent: Synthesis of 4,5-Dihydro-1H-imidazolium Salts

Caterina Maria C. , Figueroa Maria A. , Perillo Isabel A. [他]

Heterocycles 68(4), 701-712, 2006-04-01

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