Patents by Inventor Beat Jau
Beat Jau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8129560Abstract: A process for the preparation of a compound of formula (I), the process comprising: (i) the reaction of a compound of formula (III), with a compound of formula (IV) to give a compound of formula (II), and (ii) the reaction of the compound of formula (II) with a leaving group, to give the compound of formula (I).Type: GrantFiled: August 8, 2006Date of Patent: March 6, 2012Assignee: Syngenta Crop Protection, Inc.Inventors: Martin Charles Bowden, Thomas Aitcheson Clark, Fanny Giordano, Beat Jau, Hans-Dieter Schneider, Gottfried Seifert, Martin Zeller, Dominik Faber, Juerg Wiss
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Patent number: 8088960Abstract: The present invention relates to a process for the production of compounds of formula (I) wherein X is fluoro, chloro, bromo or iodo and n is 1, 2, 3 or 4, which process comprises reacting a compound of formula (II) wherein the substituents are as defined for formula (I), with inorganic nitrite in an acidic aqueous medium in the presence of bromide and a copper catalyst and wherein the process is carried out as a one-pot reaction.Type: GrantFiled: October 8, 2007Date of Patent: January 3, 2012Assignee: Syngenta Crop Protection LLCInventors: Beat Jau, Colin Ellis, Linhua Wang
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Publication number: 20110207925Abstract: A process for the preparation of [1,4,5]-oxadiazepine derivatives by reaction of 4,5-diacyl-[1,4,5]-oxadiazepines with a base.Type: ApplicationFiled: May 4, 2011Publication date: August 25, 2011Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Dominik Faber, Beat Jau
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Publication number: 20110065968Abstract: The present invention relates to a process for the production of compounds of formula (I) wherein X is fluoro, chloro, bromo or iodo and n is 1, 2, 3 or 4, which process comprises reacting a compound of formula (II) wherein the substituents are as defined for formula (I), with inorganic nitrite in an acidic aqueous medium in the presence of bromide and a copper catalyst and wherein the process is carried out as a one-pot reaction.Type: ApplicationFiled: October 8, 2007Publication date: March 17, 2011Applicants: SYNGENTA LIMITED, SYNGENTA CROP PROTECTION, INC.Inventors: Beat Jau, Colin Ellis, Linhua Wang
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Patent number: 7598376Abstract: A process for the preparation of [1,4,5]-oxadiazepine derivatives by reaction of N,N?-diacyl-hydrazines with 2,2?-disubstituted diethyl ethers to form 4,5-diacyl-[1,4,5]-oxadiazepines and reaction of the latter compounds with a hydrohalic acid.Type: GrantFiled: December 17, 2002Date of Patent: October 6, 2009Assignee: Syngenta Crop Protection, Inc.Inventors: Beat Jau, Marian Parak
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Publication number: 20090124800Abstract: A process for the preparation of [1,4,5]-oxadiazepine derivatives by reaction of 4,5-diacyl-[1,4,5]-oxadiazepines with a base.Type: ApplicationFiled: October 25, 2005Publication date: May 14, 2009Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Dominik Faber, Beat Jau
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Publication number: 20090118532Abstract: A process for the preparation of a compound of formula (I) wherein: R is an alkynyl group; R1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkyl-alkyl, phenyl and phenylalkyl, it being possible in turn for all of the receding groups to carry one or more identical or different halogen atoms; alkoxy; alkenyloxy; alkynyloxy; alkoxyalkyl; haloalkoxy; alkylthio; haloalkylthio; alkysulfonyl; formyl; alkanoyl; hydroxy; halogen; cyano; nitro; amino; alkylamino; dialkylamino; carboxyl; alkoxycarbonyl; alkenyloxycarbonyl; or alkynyloxycarbonyl; and n is an integer from 0 to 3, said process comprising: (i) the reaction of a compound of formula (III) wherein R, R1 and n are as hereinbefore defined; m and m? are independently 0 or 1; when m and m? are both 0, A is an alkyl, alkenyl or alkynyl group (suitably having up to eight carbon atoms), optionally substituted by one or more groups independently selected from halogen, hydroxy, alkoxy, C1-4 dialkylamino or cyano; when one of m and m? is 0 and the other is 1, A is an alType: ApplicationFiled: August 8, 2006Publication date: May 7, 2009Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Martin Charles Bowden, Thomas Aitcheson Clark, Fanny Giordano, Beat Jau, Hans-Dieter Schneider, Gottfried Seifert, Martin Zeller, Dominik Faber, Juerg Wiss
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Publication number: 20050159313Abstract: A process for the preparation of [1,4,5]-oxadiazepine derivatives by reaction of N,N?-diacyl-hydrazines with 2,2?-disubstituted diethyl ethers to form 4,5-diacyl-[1,4,5]-oxadiazepines and reaction of the latter compounds with a hydrohalic acid.Type: ApplicationFiled: December 17, 2002Publication date: July 21, 2005Inventors: Beat Jau, Marian Parak
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Patent number: 6693194Abstract: Process for preparing 4,6-dimethoxy-2-(methylsulfonyl)-1,3-pyrimidine by reacting 4,6dichloro-2-(methyltio)-1,3-pyrimidine in an inert organic solvent with an alkali metal methoxide, transfer of the resulting 4,6-dimethoxy-2-(methylthio)-1,3-pyrimidine into an aqueous-acidic medium and subsequent oxidation of this compound, of appropriate in the presence of a catalyst, wherein the oxidation is followed by a purification step in which the aqueous-acidic reaction mixture is adjusted with aqueous base to a pH in the range of 5-8 and stirred either in the presence or in the absence of an organic solvent, and the use of this compound for preparing herbicides, for example 7-[(4,6-dimethoxy-pyrimidin-2-yl)thio]-3-methylphthalide.Type: GrantFiled: January 6, 2003Date of Patent: February 17, 2004Assignee: Syngenta Crop Protection, Inc.Inventors: Beat Jau, Bernhard Urwyler
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Publication number: 20030135047Abstract: Process for preparing 4,6-dimethoxy-2-(methylsulfonyl)-1,3-pyrimidine by reacting 4,6dichloro-2-(methyltio)-1,3-pyrimidine in an inert organic solvent with an alkali metal methoxide, transfer of the resulting 4,6-dimethoxy-2-(methylthio)-1,3-pyrimidine into an aqueous-acidic medium and subsequent oxidation of this compound, of appropriate in the presence of a catalyst, wherein the oxidation is followed by a purification step in which the aqueous-acidic reaction mixture is adjusted with aqueous base to a pH in the range of 5-8 and stirred either in the presence or in the absence of an organic solvent, and the use of this compound for preparing herbicides, for example 7-[(4,6 dimethoxy-pyrimidin-2-yl)thio]-3-methylphthalide.Type: ApplicationFiled: January 6, 2003Publication date: July 17, 2003Inventors: Beat Jau, Bernhard Urwyler
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Patent number: 6498265Abstract: Compounds of the formula I and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III In the compounds of the formulae I and III: X is halogen, n is 0,1,2 or 3; Z is CN, CO—A or CS—A, A is hydrogen, halogen, OR1, SR2 and N(R3)R4; R1 to R4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R3 and R4, together with the nitrogen atom to which they are bonded, are a 5- or 6-membered, substitType: GrantFiled: September 25, 2001Date of Patent: December 24, 2002Assignee: Syngenta Investment CorporationInventors: Walter Kunz, Beat Jau
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Patent number: 6380422Abstract: Compounds of the formula I and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III In the compounds of the formulae I and III: X is halogen, n is 0, 1, 2 or 3; Z is CN, CO—A or CS—A, A is hydrogen, halogen, OR1, SR2 and N(R3)R4; R1 to R4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R3 and R4, together with the nitrogen atom to which they are bonded, are a 5- or 6-membered, subsType: GrantFiled: February 26, 1999Date of Patent: April 30, 2002Assignee: Syngenta Investment CorportionInventors: Walter Kunz, Beat Jau
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Publication number: 20020040157Abstract: Compounds of the formula I 1Type: ApplicationFiled: September 25, 2001Publication date: April 4, 2002Inventors: Walter Kunz, Beat Jau
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Patent number: 6002013Abstract: Compounds of the formula I ##STR1## and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III ##STR2## In the compounds of the formulae I and III: X is halogen,n is 0, 1, 2 or 3;Z is CN, CO--A or CS--A,A is hydrogen, halogen, OR.sub.1, SR.sub.2 and N(R.sub.3)R.sub.4 ;R.sub.1 to R.sub.4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R.sub.3 and R.sub.Type: GrantFiled: September 4, 1998Date of Patent: December 14, 1999Assignee: Novartis CorporationInventors: Walter Kunz, Beat Jau
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Patent number: 5847147Abstract: Compounds of the formula I ##STR1## and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III ##STR2## In the compounds of the formulae I and III: X is halogen,n is 0, 1, 2 or 3;Z is CN, CO-A or CS-A,A is hydrogen, halogen, OR.sub.1, SR.sub.2 and N(R.sub.3)R.sub.4 ;R.sub.1 to R.sub.4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R.sub.3 and R.sub.Type: GrantFiled: March 13, 1998Date of Patent: December 8, 1998Assignee: Novartis Corp.Inventors: Walter Kunz, Beat Jau
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Patent number: 5770758Abstract: Compounds of the formula I ##STR1## and disulfides thereof and salts thereof are important intermediate products for the preparation of compounds having a microbicidal and plant-immunizing action, of the formula III ##STR2## In the compounds of the formulae I and III: X is halogen,n is 0,1,2 or 3;Z is CN, CO-A or CS-A,A is hydrogen, halogen, OR.sub.1, SR.sub.2 and N(R.sub.3)R.sub.4 ;R.sub.1 to R .sub.4 are hydrogen, a substituted or unsubstituted, open-chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group containing not more than 8 carbon atoms, a substituted or unsubstituted benzoyl group or a substituted or unsubstituted heterocyclyl radical; or R.sub.3 and R.sub.Type: GrantFiled: December 20, 1996Date of Patent: June 23, 1998Assignee: Novartis CorporationInventors: Walter Kunz, Beat Jau
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Patent number: 5663383Abstract: A process for the preparation of 3-hydroxyoxetanes of formula I ##STR1## wherein R.sub.9 and R.sub.10 are each independently of the other hydrogen or C.sub.1 -C.sub.4 alkyl, by(1) reaction of a carboxylic acid R--CO.sub.2 H, wherein R is branched alkyl, with an epichlorohydrin of formula II ##STR2## wherein R.sub.9 and R.sub.10 are as defined hereinbefore, to form an ester of formula III ##STR3## wherein R, R.sub.9 and R.sub.10 are as defined hereinbefore, (2) reaction of that ester with an ether of formula IVCHR.sub.1 .dbd.CH--O--R.sub.2 (IV),wherein R.sub.1 is hydrogen or methyl, R.sub.2 is C.sub.1 -C.sub.6 alkyl, or R.sub.1 and R.sub.2 together form a radical of formula --(CH.sub.2).sub.3 --, in the presence of a catalyst, to form an ester of formula V ##STR4## (3) hydrolysis and cyclization of that ester in the presence of a base to form a compound of formula VI ##STR5## wherein R.sub.1, R.sub.2, R.sub.9 and R.sub.Type: GrantFiled: June 28, 1996Date of Patent: September 2, 1997Assignee: Ciba-Geigy CorporationInventors: Wolfgang Stutz, Rudolf Waditschatka, Klas Winter, Matthias von Frieling, Remy Gressly, Beat Jau, Sebastien Burki