Halogen Containing Patents (Class 568/419)
  • Patent number: 4337362
    Abstract: The production of hexafluoroacetone by contacting, in the liquid phase, hexafluorothioacetone dimer with at least a stoichiometric amount of an aprotic solvent selected from the group consisting of dimethylacetamide, dimethylformamide, dimethyl sulfoxide and N-methyl pyrrolidone and at least a catalytic amount of an alkali metal fluoride or a sulfonic acid having general formula RSO.sub.3 H is disclosed. Dimethylformamide and dimethyl sulfoxide are the preferred aprotic solvents; KF is the preferred alkali metal fluoride; and CH.sub.3 SO.sub.3 H and pCH.sub.3 C.sub.6 H.sub.4 SO.sub.3 H are the preferred sulfonic acids. The production of hexafluoroacetone by contacting hexafluoropropene with elemental sulfur and a catalytic amount of an alkali metal fluoride in an aprotic solvent at a temperature of between about 40.degree. and about 70.degree. C. for a time sufficient to produce hexafluorothioacetone dimer combined with increasing the temperature to between about 90.degree. and 150.degree. C.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: June 29, 1982
    Assignee: Allied Corporation
    Inventor: Louis G. Anello
  • Patent number: 4294972
    Abstract: Compounds of the formula (I): ##STR1## wherein n is 3 to 5;Y is --CH.sub.2 --CH.sub.2, --CH.dbd.CH-- or C.tbd.C--;L is O or S;R.sub.1 is C.sub.1-4 alkyl;R.sub.2 is hydrogen, C.sub.1-4 alkyl or phenyl;R.sub.3 is hydroxy or protected hydroxy;R.sub.4 is hydrogen, C.sub.1-9 alkyl, C.sub.3-8 cycloalkyl, phenyl, naphthyl, any of which phenyl moieties or naphthyl moieties may be substituted by one or more halogen, trifluoromethyl, C.sub.1-6 alkyl, hydroxy, C.sub.1-6 alkoxy, phenyl C.sub.1-6 alkoxy or nitro groups; orR.sub.2 and R.sub.4 taken with the carbon atom to which they are joined represent a C.sub.5-8 cycloalkyl group; and R.sub.5 is C.sub.1-6 alkyl, having similar activity to natural prostaglandins, a process for their preparation, intermediates useful in that process and pharmaceutical compositions containing them.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: October 13, 1981
    Assignee: Beecham Group Limited
    Inventors: Frederick Cassidy, Alexander C. Goudie
  • Patent number: 4267381
    Abstract: A fluorine derivative of 3,3-dimethyl-butan-2-one, of the formula ##STR1## in which X is hydrogen or fluorine,is produced by reacting a metal fluoride in a diluent and at elevated temperature with a sulphonic acid ester of the formula ##STR2## in which R is optionally substituted alkyl or optionally substituted aryl, andY is hydrogen or O--SO.sub.2 --R.The product is useful in the synthesis of fungicides.
    Type: Grant
    Filed: September 20, 1979
    Date of Patent: May 12, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Jorg Stetter, Dieter Arlt, Wolfgang Kramer
  • Patent number: 4257948
    Abstract: A novel epoxidation agent comprising hydrogen peroxide and hexachloroacetone and a novel process for epoxidizing an acyclic, cyclic or polycyclic compound containing at least one ethylenic unsaturation.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: March 24, 1981
    Assignee: Roussel Uclaf
    Inventors: Germain Costerousse, Jean G. Teutsch
  • Patent number: 4255434
    Abstract: Fungicidal 1-(azol-1-yl)-4-halo-1-phenoxy-butan-2-ones and -ols of the formula ##STR1## in which R represents alkyl with 1 to 4 carbon atoms;X represents hydrogen, alkyl with 1 to 4 carbon atoms or halogen;Y represents halogen;Z represents halogen, straignt-chain or branched alkyl with 1 to 4 carbon atoms, cycloalkyl with 5 to 7 carbon atoms, halogenoalkyl with 1 or 2 carbon atoms and 1 to 5 halogen atoms, alkoxy with one or 2 carbon atoms, alkylthio with 1 or 2 carbon atoms, alkoxycarbonyl with 1 to 5 carbon atoms in the alkoxy part, amino, cyano, nitro, phenyl or phenoxy substituted with at least one of halogen, amino, cyano, nitro and alkyl with 1 to 2 carbon atoms, phenylalkyl with 1 or 2 carbon atoms on the alkyl part optionally substituted in the alkyl part by alkylcarbonyl with a total of up to 3 carbon atoms and in the phenyl part by halogen, nitro or cyano;n represents 0,1,2 or 3,A is --CO-- or CH(OH)--, andB is --N.dbd. or --CH.dbd., or a salt thereof.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: March 10, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Hans Scheinpflug
  • Patent number: 4254132
    Abstract: A 2-acyloxy-1-azolyl-3,3-dimethyl-2-phenoxy-butane of the formula ##STR1## in which A represents a nitrogen atom or the CH group,R represents alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, cycloalkyl, halogenoalkyl, optionally substituted phenyl, optionally substituted phenylalkyl, optionally substituted phenoxyalkyl, alkylamino, dialkylamino, optionally substituted phenylamino, halogenalkylamino, alkoxycarbonylamino, or alkoxyalkylamino,X represents hydrogen, halogen or alkylcarbonyloxy,Y represents halogen or alkylcarbonyloxy,Z represents halogen, alkyl, cycloalkyl, alkoxy, halogenoalkyl, alkylthio, alkoxycarbonyl, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylalkyl, cyano or nitro, andn represents 0, 1, 2, 3, 4 or 5, the substituents Z being selected independently of one another when n is 2 or more,and salts and complexes thereof which possess fungicidal properties.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: March 3, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
  • Patent number: 4251467
    Abstract: Symmetrical 1,3-dichloroacetone is prepared by contacting chlorine with an aqueous mixture of acetone, monochloroacetone, or mixtures thereof and an iodine-containing promoter.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: February 17, 1981
    Assignee: Chevron Research Company
    Inventor: Victor P. Kurkov
  • Patent number: 4238416
    Abstract: A method for isomerization of fluorinated epoxy compounds by contacting with a catalyst to produce the corresponding fluorinated carbonyl compounds, which is characterized in that the catalyst is a fluorinated alumina or a fluorinated silica alumina.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: December 9, 1980
    Assignee: Daikin Kogyo Co., Ltd.
    Inventors: Takashi Tohzuka, Yohnosuke Ohsaka
  • Patent number: 4215044
    Abstract: Process for preparing an organic compound of the formula R.sup.2 R.sup.2 CFC(O)R.sup.3, which process comprises contacting and reacting in a reaction mixture which includes an inert solvent, at a temperature of -40.degree. C. to -100.degree. C., ROF and ##STR1## R is polyfluoroperhaloalkyl of 1-6 carbon atoms or FOCF.sub.2 ; R.sup.1 is hydrocarbyl of 1-6 carbon atoms;each R.sup.2 is selected from H, alkyl of 1-17 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl and such alkyl, cycloalkyl, aryl and heteroaryl substituted by halogen or alkoxy of 1-6 carbon atoms;R.sup.3 is selected from H, alkyl and haloalkyl of 1-16 carbon atoms, cycloalkyl of 3-10 carbon atoms, aryl and haloaryl, OSi(R.sup.1).sub.3, OH, NH.sub.2, alkoxy of 1-6 carbon atoms, aryloxy, NHR.sup.1 and NR.sup.1.sub.2 wherein R.sup.1 is alkyl of 1-6 carbon atoms, N-arylamino and nitrogen or sulfur heterocyclic of 4-5 carbon atoms;R.sup.3 and one R.sup.2 taken together is a diradical which with the C.dbd.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: July 29, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: William J. Middleton
  • Patent number: 4205085
    Abstract: This disclosure describes novel 4-(polyfluoroalkylamino)phenyl compounds useful as hypolipidemic and antiatherosclerotic agents.
    Type: Grant
    Filed: March 9, 1978
    Date of Patent: May 27, 1980
    Assignee: American Cyanamid Company
    Inventor: Robert G. Shepherd
  • Patent number: 4202822
    Abstract: Derivatives, analogs, and congeners of prostane having a 1-(hydroxymethyl)-1-oxo-prostane structure in the F.sub.1 series.
    Type: Grant
    Filed: December 8, 1977
    Date of Patent: May 13, 1980
    Assignee: American Cyanamid Company
    Inventor: Allan Wissner