US 7,255,779 B2 · Indolecarboxylic ester trimer and electrochemical cell using the same

Abstract

The present invention provides a novel indole carboxylic ester trimer which is characterized by being represented by the following general formula (1): wherein R represents a straight or branched chain alkyl group having 1-6 carbon atoms; n is an integer of 1-4; Xa− represents at least one anion selected from a group of anions having a valency of 1-3 consisting of chloride ion, bromide ion, iodide ion, fluoride ion, nitrate ion, sulfate ion, hydrogen sulfate ion, phosphate ion, borofluoride ion, perchlorate ion, thiocyanate ion, acetic acid ion, propionic acid ion, methanesulfonic acid ion, p-toluenesulfonic acid ion, trifluoroacetic acid ion and trifluoromethanesulfonic acid ion; a represents the ionic valence number of X and is an integer of 1-3; and m is 0-0.5.

Claims5

Dependent claims

An indolecarboxylic ester trimer represented by the following general formula [1]:

wherein R represents a straight or branched chain alkyl group having 1 to 6 carbon atoms;
n represents an integer of 1 to 4;
Xa− represents at least one anion selected from the group consisting of anions having a valency of 1 to 3, said group comprising chloride ion, bromide ion, iodide ion, fluoride ion, nitrate ion, sulfate ion, hydrogen sulfate ion, phosphate ion, borofluoride ion, perchlorate ion, thiocyanate ion, acetate ion, propionate ion, methanesulfonate ion, p-toluenesulfonate ion, trifluoroacetate ion and trifluoromethanesulfonate ion;
a represents an integer of 1 to 3 which represents the ionic valence number of X;
and m represents a number of 0 to 0.5.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

11/014,911Filed 20 Dec 2004

Priority

JP 2003-43041825 Dec 2003

Published

US 2005/0185247 A125 Aug 2005

Granted

14 Aug 2007

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

C07D 487/14
In which the condensed system contains three hetero rings: ortho-condensed systems
H01M 4/60
Selection of substances as active materials, active masses, active liquids: of organic compounds
H01M 4/608
Containing aromatic main chain polymers: containing heterocyclic rings
Y02E 60/10
Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation: energy storage using batteries

Indolecarboxylic ester trimer and electrochemical cell using the same

Life of this patent

Indolecarboxylic ester trimer and electrochemical cell using the same

Life of this patent

Abstract

Claims5