Patent classifications
C07C25/13
RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN
Disclosed is a resist composition including a compound represented by formula (I), a resin having an acid-labile group and an acid generator:
##STR00001##
wherein, in formula (I), R.sup.1 represents a halogen atom or an alkyl fluoride group having 1 to 6 carbon atoms, m1 represents an integer of 1 to 5, and when m1 is 2 or more, a plurality of R.sup.1 may be the same or different from each other.
RESIST COMPOSITIONS AND SEMICONDUCTOR FABRICATION METHODS USING THE SAME
Disclosed are resist compositions and semiconductor device fabrication methods using the same. The resist composition comprises a hypervalent iodine compound of Chemical Formula 1 below. Wherein R.sub.1 to R.sub.7 are as defined herein.
##STR00001##
RESIST COMPOSITIONS AND SEMICONDUCTOR FABRICATION METHODS USING THE SAME
Disclosed are resist compositions and semiconductor device fabrication methods using the same. The resist composition comprises a hypervalent iodine compound of Chemical Formula 1 below. Wherein R.sub.1 to R.sub.7 are as defined herein.
##STR00001##
METHOD FOR PREPARING A POLYFLUORINATED COMPOUND
A process for preparing a polyfluorinated compound of formula Ar—R.sub.1 (I), wherein Ar—R.sub.1 (I) is an aromatic ring system
##STR00001##
wherein R.sub.1 is selected from the group consisting of SF.sub.4Cl, SF.sub.3, SF.sub.2CF.sub.3, TeF.sub.5, TeF.sub.4CF.sub.3, SeF.sub.3, IF.sub.2, SeF.sub.2CF.sub.3, and IF.sub.4, X.sub.2 is N or CR.sub.2, X.sub.3 is N or CR.sub.3, X.sub.4 is N or CR.sub.4, X.sub.5 is N or CR.sub.5, X.sub.6 is N or CR.sub.6, and the total number of nitrogen atoms in the aromatic ring system is between 0 and 3, wherein R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently selected from the group consisting of hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, 2,2,2-trifluoroethyl, pentafluorosulfanyl, phthalimido, azido, benzyloxy, trifluoromethoxy, 2,2,2-trifluoroethoxy, methoxycarbonyl, ethoxycarbonyl, methylcarbonyl, ethylcarbonyl, acetoxy, t-butyl, phenylcarbonyl, benzylcarbonyl, 3-trifluoromethylphenyl, phenylsulfonyl, methylsulfonyl, chlorophenyl, methyldoxolonyl, methyl, isopropyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, fluoromethyl, fluoroethyl and phenyl.
FXR (NR1H4) modulating compounds
The present disclosure relates generally to compounds which bind to the NR1H4 receptor (FXR) and act as agonists of FXR. The disclosure further relates to the use of the compounds for the preparation of a medicament for the treatment of diseases and/or conditions through binding of said nuclear receptor by said compounds and to a process for the synthesis of said compounds.
FXR (NR1H4) modulating compounds
The present disclosure relates generally to compounds which bind to the NR1H4 receptor (FXR) and act as agonists of FXR. The disclosure further relates to the use of the compounds for the preparation of a medicament for the treatment of diseases and/or conditions through binding of said nuclear receptor by said compounds and to a process for the synthesis of said compounds.
Regenerable solvent mixtures for acid-gas separation
A solvent system for the removal of acid gases from mixed gas streams is provided. Also provided is a process for removing acid gases from mixed gas streams using the disclosed solvent systems. The solvent systems may be utilized within a gas processing system.
Method for aromatic fluorination
Disclosed is a fluorination method comprising providing an aryl fluorosulfonate and a fluorinating reagent to a reaction mixture; and reacting the aryl fluorosulfonate and the fluorinating reagent to provide a fluorinated aryl species. Also disclosed is a fluorination method comprising providing, a salt comprising a cation and an aryloxylate, and SO.sub.2F.sub.2 to a reaction mixture; reacting the SO.sub.2F.sub.2 and the ammonium salt to provide a fluorinated aryl species. Further disclosed a fluorination method comprising providing a compound having the structure ArOH to a reaction mixture; where Ar is an aryl or heteroaryl; providing SO.sub.2F.sub.2 to the reaction mixture; providing a fluorinating reagent to the reaction mixture; reacting the SO.sub.2F.sub.2, the fluorinating reagent and the compound having the structure ArOH to provide a fluorinated aryl species having the structure ArF.
Method for aromatic fluorination
Disclosed is a fluorination method comprising providing an aryl fluorosulfonate and a fluorinating reagent to a reaction mixture; and reacting the aryl fluorosulfonate and the fluorinating reagent to provide a fluorinated aryl species. Also disclosed is a fluorination method comprising providing, a salt comprising a cation and an aryloxylate, and SO.sub.2F.sub.2 to a reaction mixture; reacting the SO.sub.2F.sub.2 and the ammonium salt to provide a fluorinated aryl species. Further disclosed a fluorination method comprising providing a compound having the structure ArOH to a reaction mixture; where Ar is an aryl or heteroaryl; providing SO.sub.2F.sub.2 to the reaction mixture; providing a fluorinating reagent to the reaction mixture; reacting the SO.sub.2F.sub.2, the fluorinating reagent and the compound having the structure ArOH to provide a fluorinated aryl species having the structure ArF.
Method for aromatic fluorination
Disclosed is a fluorination method comprising providing an aryl fluorosulfonate and a fluorinating reagent to a reaction mixture; and reacting the aryl fluorosulfonate and the fluorinating reagent to provide a fluorinated aryl species. Also disclosed is a fluorination method comprising providing, a salt comprising a cation and an aryloxylate, and SO.sub.2F.sub.2 to a reaction mixture; reacting the SO.sub.2F.sub.2 and the ammonium salt to provide a fluorinated aryl species. Further disclosed a fluorination method comprising providing a compound having the structure ArOH to a reaction mixture; where Ar is an aryl or heteroaryl; providing SO.sub.2F.sub.2 to the reaction mixture; providing a fluorinating reagent to the reaction mixture; reacting the SO.sub.2F.sub.2, the fluorinating reagent and the compound having the structure ArOH to provide a fluorinated aryl species having the structure ArF.