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7951602 Mass defect labeling and methods of use thereof  
Mass defect labeled peptides and methods of identifying peptides are provided. In particular, embodiments of the present disclosure include mass defect labels for polypeptides that include at least...
7709548 Method for manufacturing monosulfonium salt, cationic polymerization initiator, curable composition, and cured product  
A monosulfonium salt in which very little unreacted raw material remains, which has a purity of at least 96%, and which has one sulfonio group in its molecule is manufactured without a refining...
7659317 Methods to prepare carbon-isotope labeled organohalides with high specific radioactivity from carbon-isotope monoxide  
Methods and reagents for labeling synthesis of organohalides by transition metal mediated carbonylation reactions using carbon-isotope labeled carbon monoxide are provided. The resultant...
7339081 Route to prepare 4-bromo-1-oxypentafluorosulfanylbenzene  
A process for preparing bromo-1-oxypentafluorosulfanylbenzene is provided, the process including the step of brominating pentafluorosulfanyloxybenzene with a bromination agent to provide the...
7323602 Preparation process of some halogeno-substituted monosulfides and their hydroxy-monosulfide or isothiouronium bromide equivalents as intermediates  
A process for preparing an intermediate compound of formula (II) where n is an integer of from 3 to 14; R1 is haloC1-10alkyl, C1-10alkyl, C2-10alkenyl, C2-10cycloalkyl, carboxyC1-10alkyl,...
7087789 Methods for nucleophilic fluoromethylation  
A novel, convenient and efficient method for trifluoromethylation of substrate compounds is disclosed. Particularly, alkoxide and hydroxide induced nucleophilic trifluoromethylation of carbonyl...
7087764 Process for producing arylsulfenyl halide  
A process for producing a compound of the formula (II): wherein Hal1 represents halogen and R1 and R2 each independently represents halogen, alkyl, alkoxy, nitro or cyano, which comprises allowing...
6770776 Synthesis of fluorocarbon compounds  
Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at...
6596905 Method for preparing aromatic diphenyl thioethers  
The invention concerns a method for preparing aromatic diphenyl thioethers. More particularly the invention concerns the preparation of 4-chloro-4′-thiomethyldiphenylether. The inventive method f...
6518460 Processes for preparing 3-arylsulfur hydroxamic acids  
This invention provides processes for the preparation of a compound of Formula I: Y—C(═O)—C(R1)(R2)—CH2—S(O)nR3 wherein:Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl or ...
6506286 Reactant, compound and process for the perfluoroalkylation of a nucleophile, and the derivatives obtained  
A reagent comprising a compound of formula (I): Rf—M(X)(Z)n—Y—R, wherein R is a hydrocarbon radical advantageously having at most 10 carbon atoms and being selected from alkyls and aryls; Rf is a ...
6379590 Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications  
A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of...
6369275 Process for making diaryl pyridines useful as cox-2 inhibitors  
The invention encompasses a process for making compounds of Formula I useful in the treatment of cyclooxygenase-2 mediated diseases.
6326519 Diallylic sulfides and processes for preparing the same  
Diallylic sulfides represented by Formula I ##STR1##wherein: R1 and R2 are independently chosen from the group consisting of --CHO, --CH2 Cl, --CH2 Br, --CH2 I, --CH2 OH, CH2 OSO2 CF3, --CH2 OSO2...
6326337 Perfluoropolyalkylether lubricant formulation with improved stability  
An oxidation-corrosion additive for enhancing the stability of PFPAEs which has the formula: ##STR1##wherein Q is --Rf or --S--Rf, Rf is a perfluoroalkyl or perfluoroalkylether group having 1 to 30...
6225505 Trifluoro methylthiomethyl benzene derivatives and process for production same  
The present invention lies in a process for producing a trifluoromethylthiomethylbenzene derivative represented by the following general formula (2): ##STR1##(wherein R is a hydrogen atom, a...
RE37087 Insecticidal triffluormethyl alkane derivatives  
There are provided new alkane and alkoxyalkane derivatives of the general formula I ##STR1##in which R1, R2, R3, R4 and A have the meanings given in the description, processes for their preparation...
6175042 Process for preparing perfluoroalkyl aryl sulfides and novel perfluoroalkyl aryl sulfides  
This invention relates to a process for preparing perfluoroalkyl aryl sulfides by reaction of disulfides with alkali metal salts of aliphatic perfluorocarboxylic acids in the presence of a...
6140515 Process of making 3-aryloxy, 4-aryl furan-2-ones useful as inhibitors of COX-2  
Described is a process of preparing 3-aryl, 4-aryloxy furan-5-ones which are useful as inhibitors of cyclooxygenase-2 (COX-2). Such compounds are useful as anti-inflammatory agents. The process is...
6121496 Aromatic thioether acylation method  
The present invention relates to a process for the acylation of an aromatic thioether. In its preferred variant, the invention resides in a process for the condensation of acetic anhydride or...
6080790 Tri-substituted phenyl derivatives and processes for their preparations  
Compounds of formula (1) ##STR1## are described wherein Y represents a halogen atom or a group --OR1, where R1 is an optionally substituted alkyl group; R2 represents an optionally substituted...
5998667 Substituted biphenyl oxazolines  
The invention relates to new substituted biphenyloxazolines of the formula (I) ##STR1## in which R1 represents C1 -C6 -halogenoalkylthio and R2 represents hydrogen, or R1 and R2 together with the...
5962483 Trisubstituted phenyl derivatives and processes for their preparation  
Compounds of general formula (1) ##STR1## are described wherein Y is a halogen atom or a group --OR1, where R1 is an optionally substituted alkyl group; X is --O--, --S-- or --N(R7)--, where R7 is...
5942648 Naphthalene derivatives  
Naphthalene derivatives of the fomula I ##STR1## in which: R1 is an alkyl or alkenyl radical which is unsubstituted, monosubstituted by CH or CF3 or monosubstituted by halogen and has 1 to 15...
5907063 Aromatic bromination process  
Activated aromatic compounds are more economically ring brominated by reacting the compounds with a sulfoxide/HBr brominating agent while removing water from the reaction mixture. The water removal...
5874656 Process for preparing o-alkylfluorobenzenes  
o-Alkylfluorobenzenes are advantageously prepared by heating the corresponding chloroformates to from 70° to 200° C. in the liquid phase in the presence of hydrogen fluoride and in the presence o...
5861540 Substituted 1,1,1-triaryl-2,2,2-trifuoroethanes and processes for their synthesis  
Synthetic procedures to tetraalkyls, tetraacids and dianhydrides substituted 1,1,1-triaryl-2,2,2-trifluoroethanes which comprises: (1) 1,1-bis(dialkylaryl)-1-aryl-2,2,2 -trifluoroethane, (2)...
5808164 Process for producing aromatic sulfides  
A process which can be used to produce an aromatic sulfide compound having the formula of (R4-n)(Xn)(W)Ar--S--R' is provided. The process comprises contacting, in the presence of a surfactant, a...
5798396 Sulfonium salt-containing compounds and initiators of polymerization  
The present invention is directed to sulfonium salt-containing compounds represented by a following general formula; ##STR1## wherein R1 is alkyl containing from 1 to 18 carbon atoms, hydroxy,...
5760269 4,4,4-Trichlorobutyl methanesulfonate  
The invention provides the novel compound 4,4,4-trichlorobutyl methanesufonate, useful as an intermediate in the production of certain agricultural pesticides, and a process for its manufacture.
5756849 Process for grafting a substituted difluoromethyl group onto a compound containing an electrophilic functional group  
The invention relates to a process and a nucleophilic reagent which is useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function,...
5731477 Method for synthesis of aryl difluoromethyl ethers  
This invention relates to a method for preparing difluoromethyl ethers, thiols and amines without using chlorofluorocarbon gases. The intermediates prepared by this method can be used to make...
5639887 MDR reversal agents  
Compounds of the general formula: ##STR1## wherein R1, R2, R3, R4 and R5 are herein described, A is a straight or branched (C2 -C12)alkyl or a phenyl moiety and B is a moiety of the formula:...
5557008 Process for the introduction of fluoro substituents  
A one pot process for the perfluoroalkylation and/or perfluoroacyloxylation of organic substrates is provided. The process comprises contacting a substrate with a perfluoroalkanoic anhydride in the...
5534634 Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane  
Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane. The invention relates to the preparation of trifluoroethyl sulfur compounds of the formula...
5534557 Onium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured product  
The composition of the present invention is excellent in compatibility, transparency and curability and give a cured coat of excellent gloss and of less smell, and cured products of excellent...
5498730 Fluorinated alkyl compound derivatives and process for preparing same  
The present invention provides fluorinated alkyl compound derivatives represented by formula of: ##STR1## wherein: R is C2-4 lower alkyl, cyclohexyl or thiophene; phenyl substituted with hydrogen,...
5492917 Endothelin antagonists incorporating a cyclobutane  
Novel compounds of the general structural formula I: ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, pulmonary...
5478959 Method for preparing 1,2-dithiins and precursors of 1,2-dithiins  
A method for preparing 1,4-(Z,Z)-disubstituted-1,4-disulfurated-1,3-butadienes is disclosed. The butadienes can be further elaborated to provide 3,6-unsymmetrically-substituted-1,2-dithiins. Also...
5463088 Process for preparing perfluoroalkoxy (alkylthio) benzenes  
A process for preparing perfluoroalkoxy(alkylthio)benzenes from perfluorochloroalkoxy(alkylthio)-benzenes by reaction with hydrogen fluoride in the gas phase and in the presence of a catalyst.
5463138 Process for preparing difluoromethoxyarenes and difluoromethylthioarenes  
Difluoromethoxyarenes and difluoromethylthioarenes of the general formula (I), Ar--Q--CHF2 (I)in which Ar represents optionally substituted aryl, and Q represents oxygen or sulphur,(which can be...
5449801 Reactive distillation process for free radical halogenation  
A process for the selective high yield halogenation R--CH3 wherein R is ##STR1## Si(Cl)m (CH3)n, wherein m is 1 to 3, n is 1 to 3 and m+n is 3; phenyl; or phenyl substituted with Cl, Br, F, OR1,...
5446186 Structure and synthesis of nitrophenyl-EGTA, a caged calcium, intermediates thereof and a method of producing a high photochemical yield of liberated calcium  
The synthesis and compound of a new caged calcium which is an ortho-nitrophenyl derivative of EGTA and various intermediates. It is synthesized in ten steps and 24% overall yield. The...
5393776 Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia  
This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for...
5382686 Process for preparing nitrodiphenyl (thio) ethers  
Nitrodiphenyl(thio) ethers in which the nitro group is in the ortho- or para-position with respect to the ether oxygen or ether sulphur can be prepared from halonitrobenzones in which the nitro...
5380923 Polymeric sulfonium salts and method of preparation thereof  
Polymeric triarylsulfonium salts are provided having a repeating structural unit with the formula: ##STR1## where R represents a substituted or unsubstituted aryl group, X- represents a...
5321046 Hypocholesterolemic unsymmetrical dithiol ketals  
Disclosed herein are novel unsymmetrical dithiol ketals which are useful in the treatment or prevention of hypercholesterolemia, hyperlipoproteinemia, and atherosclerosis.
5302757 Ultraviolet light sensitive onium salts  
A composition of matter including an onium salt and a method of forming images. The onium salt has a chromophore which absorbs ultraviolet radiation, an S, Se, As, N or P atom which is free of...
RE34423 Substituted benzenes useful as intermediates  
A process for producing a 4-benzoyl-5-hydroxylpyrazole of the formula III: ##STR1## which comprises reacting carbon monoxide and a 5-hydroxypyrazole of the formula II: ##STR2## with a substituted...
5231221 Process for the preparation of acylals  
Compounds of the formula ##STR1## can advantageously be prepared by reacting compounds the formula II ##STR2## in which the substituents R1 -R4 have the meanings given, with the anhydride of the...
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