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| Number | Title | Issue Date |
| 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 bromo-1-oxypentafluorosulfanylbenzene. The process is more effective than p... | 03/04/2008 |
| 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, C... | 01/29/2008 |
| 7148383 | Low loss high refractive index vinyl sulfide compounds and method of making same The invention is directed to aromatic vinyl sulfide compounds of general formula A(—S—CH═CH2)z, wherein z is in the range of 1–4 and A represents highly halogenated and highly halogenated-deuterated phenyl, biphenyl and naphthalene comp... | 12/12/2006 |
| 7109311 | Sulfonyldiazomethanes, photoacid generators, resist compositions, and patterning process A chemical amplification type resist composition comprising a specific benzenesulfonyldiazomethane containing a long-chain alkoxyl group at the 2-position on benzene ring has many advantages including improved resolution, improved focus latitude, minimized line widt... | 09/19/2006 |
| 7105630 | Compound having thermally dissociatable thioacetal skeleton, precursor thereof, cured product thereof, and composition for their production A compound having thioacetal skeleton, a precursor thereof, a cured product thereof, and a composition for their production are provided for the thermally dissociatable material based on the inventors' finding that a thioacetal group is thermally dissociatable. The ... | 09/12/2006 |
| 7094867 | Method of continuously cleansing polyarylene sulfide A polymerizate slurry obtained through a reaction of an alkali sulfide source and an aromatic dihalide compound in an organic polar solvent and comprising polyarylene sulfide particles, a by-produced alkali metal salt and the polar organic solvent, is continuously c... | 08/22/2006 |
| 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 c... | 08/08/2006 |
| 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 compounds, disulfides and other electrophiles, using phenyl trifluoromet... | 08/08/2006 |
| 7056953 | (E)-styryl sulfone anticancer agents (E)-styryl benzylsulfones of formula I are useful as anticancer agents: wherein R1, R2, R3, and R4 are as defined herein. ... | 06/06/2006 |
| 6933412 | Low loss high refractive index vinyl sulfide compounds and method of making same The invention is directed to aromatic vinyl sulfide compounds of general formula A(—S—CH═CH2)z, wherein z is in the range of 1-4 and A represents highly halogenated and highly halogenated-deuterated phenyl, biphenyl and naphthalene compou... | 08/23/2005 |
| 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 least one of which is a halogen atom having an atomic numb... | 08/03/2004 |
| 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 for preparing an aromatic diphenyl thioether is characterised... | 07/22/2003 |
| 6518460 | Processes for preparing 3-arylsulfur hydroxamic acids This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O)--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl ... | 02/11/2003 |
| 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 radical of formula II... | 01/14/2003 |
| 6420573 | Processes for preparing 3-arylsulfur hydroxamic acids This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O)--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl ... | 07/16/2002 |
| 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 a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 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. ##STR1##... | 04/09/2002 |
| 6342639 | Processes for preparing 3-Arylsulfur hydroxamic acids This invention provides processes for the preparation of a compound of Formula I: Y--C(.dbd.O--C(R1)(R2)--CH2 --S(O)n R3 wherein: Y is hydroxy or XONX, where each X is independently hydrogen, lower alkyl o... | 01/29/2002 |
| 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 OS... | 12/04/2001 |
| 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 carbon atoms, x and y a... | 12/04/2001 |
| 6316636 | 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 least one of which is a halogen atom having an... | 11/13/2001 |
| 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 halogen atom, an alkyl group, an alkoxy group, an alkoxyca... | 05/01/2001 |
| 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 high-boiling aprotic solvent at elevated temperature and reduced p... | 01/16/2001 |
| 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 directed to an asymmetric synthesis which involves: a tris... | 10/31/2000 |
| 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 acetyl chloride with thioanisole. The process for the acylation... | 09/19/2000 |
| 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 cycloalkyl or cycloalken... | 06/27/2000 |
| 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 wi... | 12/07/1999 |
| 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 a hydroge... | 10/05/1999 |
| 5952386 | Dihalopropene compounds, insecticides containing them as active ingredients, and intermediates for their production The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R1 is C1 -C10 alkyl or the like; L is C(.dbd.O)NH or the like; R2, R3 and R4 are indepen... | 09/14/1999 |
| 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 carbon atoms, it also being possible... | 08/24/1999 |
| 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 provides high conversions and yields when employing stoic... | 05/25/1999 |
| 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 of an inert diluent other than a halogenated alkane.... | 02/23/1999 |
| 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) 1,1-bis(dicarboxyaryl)-1-aryl-2,2,2-trifluoroethane or (3) cycli... | 01/19/1999 |
| 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 halo-substituted aromatic compound in ... | 09/15/1998 |
| 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, alkoxy containing from 1 to 18 carbon atoms, a... | 08/25/1998 |
| 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.... | 06/02/1998 |
| 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, characterized in that it comprises: a) a fluorocarboxylic acid of... | 05/26/1998 |
| 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 certain compounds which act as PDE IV inhibitors which are usef... | 03/24/1998 |
| 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 moiet... | 06/17/1997 |
| 5618981 | 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 halo-substituted aromatic compound in ... | 04/08/1997 |
