Patent classifications
C07C323/65
Polyarylene sulfide resin and manufacturing method therefor, poly(arylenesulfonium salt) and manufacturing method therefor, and sulfoxide
The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: reacting a sulfoxide represented by the following formula (1) with a particular aromatic compound to obtain a poly(arylenesulfonium salt) having a particular constitutional unit; and dealkylating or dearylating the poly(arylenesulfonium salt) to obtain a polyarylene sulfide resin having a particular constitutional unit, ##STR00001## wherein R.sup.1 represents an alkyl group having 1 to 10 carbon atoms, etc.; Ar.sup.1 and Ar.sup.2 each independently represent an arylene group optionally having a substituent; and Z represents a direct bond, etc.
Polyarylene sulfide resin and manufacturing method therefor, poly(arylenesulfonium salt) and manufacturing method therefor, and sulfoxide
The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: reacting a sulfoxide represented by the following formula (1) with a particular aromatic compound to obtain a poly(arylenesulfonium salt) having a particular constitutional unit; and dealkylating or dearylating the poly(arylenesulfonium salt) to obtain a polyarylene sulfide resin having a particular constitutional unit, ##STR00001## wherein R.sup.1 represents an alkyl group having 1 to 10 carbon atoms, etc.; Ar.sup.1 and Ar.sup.2 each independently represent an arylene group optionally having a substituent; and Z represents a direct bond, etc.
Method for preparing polyarylene sulfide (PAS) monomer
A method for preparing a cationic sulfoxide intermediate having the following formula ##STR00001##
wherein Ar.sub.1 and Ar.sub.2 are substituted or unsubstituted aryl groups that are the same or different, includes reacting hydrogen peroxide with (i) a compound having the following formula (2) or sulfonic acid RSO.sub.3H, wherein R is CH.sub.3, CF.sub.3, phenyl, toluene, or OH, and (ii) a cationic thioether intermediate having the following formula (4) to obtain the cationic sulfoxide intermediate: ##STR00002##
wherein R is a substituted or unsubstituted C.sub.1-C.sub.6 alkyl group; and ##STR00003##
wherein Ar.sub.1 and Ar.sub.2 are as defined above and Y is an anion.
Method for preparing polyarylene sulfide (PAS) monomer
A method for preparing a cationic sulfoxide intermediate having the following formula ##STR00001##
wherein Ar.sub.1 and Ar.sub.2 are substituted or unsubstituted aryl groups that are the same or different, includes reacting hydrogen peroxide with (i) a compound having the following formula (2) or sulfonic acid RSO.sub.3H, wherein R is CH.sub.3, CF.sub.3, phenyl, toluene, or OH, and (ii) a cationic thioether intermediate having the following formula (4) to obtain the cationic sulfoxide intermediate: ##STR00002##
wherein R is a substituted or unsubstituted C.sub.1-C.sub.6 alkyl group; and ##STR00003##
wherein Ar.sub.1 and Ar.sub.2 are as defined above and Y is an anion.
Process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulphonylbenzoic acids by chemoselective thioether oxidation
A process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. ##STR00001## Herein, the substituents are radicals such as alkyl and substituted phenyl.
Process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulphonylbenzoic acids by chemoselective thioether oxidation
A process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. ##STR00001## Herein, the substituents are radicals such as alkyl and substituted phenyl.
Process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulphonylbenzoic acids by chemoselective thioether oxidation
A process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. ##STR00001## Herein, the substituents are radicals such as alkyl and substituted phenyl.
Small molecule anticancer agents, combinations and uses thereof
The invention relates to methods of treating cell proliferative disorders. The invention further relates to pharmaceutical compositions for treating cell proliferative disorders, especially cancer.
Compounds for the Detection, Capture and/or Separation of Polluting Gases
A subject of the present invention is the use of a compound having the general formula (I): (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 1 to 11, for the detection, capture and/or separation of polluting gases, in particular those selected from the group comprising carbon dioxide, methane, sulfur dioxide, nitrogen oxides, carbon monoxide, linear hydrocarbons, linear mono-olefins and their mixtures, and preferably carbon dioxide. Another subject of the invention is a compound of formula (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 12 to 21.
##STR00001##
Compounds for the Detection, Capture and/or Separation of Polluting Gases
A subject of the present invention is the use of a compound having the general formula (I): (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 1 to 11, for the detection, capture and/or separation of polluting gases, in particular those selected from the group comprising carbon dioxide, methane, sulfur dioxide, nitrogen oxides, carbon monoxide, linear hydrocarbons, linear mono-olefins and their mixtures, and preferably carbon dioxide. Another subject of the invention is a compound of formula (I) wherein V, W, X.sub.4, X.sub.5, X.sub.6, X.sub.7, X.sub.4, X.sub.5, X.sub.6, X.sub.7, Y, Y, R.sub.3, R.sub.3, R.sub.4 and R.sub.4 are as defined in any one of claims 12 to 21.
##STR00001##