Substituent Q Is Acyclic Patents (Class 564/192)
  • Patent number: 4595721
    Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R-S-B-S-R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: June 17, 1986
    Assignee: Monsanto Europe, S.A.
    Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
  • Patent number: 4567198
    Abstract: Novel analgesic and enkephalinase inhibiting compositions comprising an analgesically and enkephalinase inhibitory effective amount of at least one compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and acetyl, n is 1 or 2 and when n is 1, R.sub.2 is selected from the group consisting of phenyl, p-chlorophenyl, m-trifluoromethylphenyl and thiazolyl and when n is 2, R.sub.2 is selected from the group consisting of phenyl and p-chlorophenyl and their salts with non-toxic, pharmaceutically acceptable acids and bases and an inert pharmaceutical carrier and novel method of relieving pain and inhibiting enkephalinase activity in warm-blooded animals and novel amides.
    Type: Grant
    Filed: February 6, 1984
    Date of Patent: January 28, 1986
    Assignee: Roussel Uclaf
    Inventors: Francoise Delevallee, Roger Deraedt, Odile Le Martret
  • Patent number: 4567004
    Abstract: Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent --CN, --CO--R.sup.3, --SO.sub.2 --R.sup.3 or --NO.sub.2 andR.sup.1 can additionally denote -aryl(R.sup.1).sub.n,whereinR.sup.3 denotes --OH, alkyl, aralkyl, aryl, alkoxy, aralkoxy or aryloxy, or amino which is substituted by alkyl and/or aralkyl and/or aryl, and furthermoretwo radicals R.sup.3 together can be an alkylene group, the radical of an aliphatic diol or of an aliphatic diamine or the group --NH--CO--NH-- and n represents 1, 2 or 3,with formaldehyde and with hydrogen in the presence of a condensation catalyst and a hydrogenation catalyst at elevated temperature, the methylene compound being introduced into the liquid phase of the mixture of reactants in the course of the reaction.
    Type: Grant
    Filed: July 18, 1984
    Date of Patent: January 28, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz U. Blank, Erich Wolters
  • Patent number: 4567280
    Abstract: In a process for producing an iodo-aromatic compound which comprises iodinating an aromatic compound having an electron-donating substituent bonded to the benzene ring with iodine in the presence of a solvent, the improvement wherein about 1/2 to about 10 moles, per mole of iodine added to the reaction system, of nitrogen dioxide (NO.sub.2) is added in the form of NO.sub.2 to the reaction system, and the reaction is carried out in the presence of nitrogen dioxide.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: January 28, 1986
    Assignee: UBE Industries, Ltd.
    Inventors: Hiroshi Itatani, Mikito Kashima, Yasutaka Tasaki
  • Patent number: 4559172
    Abstract: This invention relates to a novel acylation process which comprises using as the acylating agent an o-hydroxy-substituted aromatic oxime ester represented by the general formula (I) ##STR1## and mixing said acylating agent with an amine substance represented by the general formula (III) ##STR2## to form a compound represented by the general formula (IV) ##STR3##
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: December 17, 1985
    Assignee: Nitto Boseki
    Inventors: Ikuo Hayashi, Keizo Ogihara, Tadao Itikawa, Kiyoshi Shimizu
  • Patent number: 4552893
    Abstract: The compounds represented by the formula (I) ##STR1## wherein m is 0, 1 or 2; p is 9, 10, 11, 12 or 13; R.sub.1 is hydrogen, amino or ##STR2## R.sub.2 is hydroxyl, amino, --NHCH.sub.2 CO.sub.2 H, ##STR3## or --NHCH.sub.2 CONH.sub.2 ; and X is --CO.sub.2 H, --CH.sub.2 OH or ##STR4## with the proviso that when m is 0, R.sub.1 is hydrogen, or a pharmaceutically acceptable salt thereof have been found to be leukotriene antagonists and useful in the treatment of diseases in which leukotrienes are a factor, such as asthma.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: November 12, 1985
    Assignee: SmithKline Beckman Corporation
    Inventors: John G. Gleason, Ralph F. Hall, Thomas W. Ku
  • Patent number: 4539421
    Abstract: The title compounds correspond to the formula ##STR1## and are useful as stabilizers for organic polymers and lubricating oils to counteract the degradative effects of heat, light and air.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: September 3, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: John D. Spivack, Stephen D. Pastor, Paul Odorisio
  • Patent number: 4491547
    Abstract: Monofluoromethylthioacetic acid (FCH.sub.2 SCH.sub.2 COOH) or difluoromethylthioacetic acid (F.sub.2 CHSCH.sub.2 COOH), or its derivative at the carboxy group can be prepared e.g. by treating a thioglycolic acid ester with monolfuorohalomethane or difluorohalomethane in the presence of a base if required followed by a conventional modification of the produced ester e.g. to make an acid by hydrolysis, a salt by neutralization, a halide with a halogenating agent, and from acid halide or anhydride an ester with an alcohol, or an amide with an amine. These compounds are useful intermediates in the production of medicinal and agricultural chemicals.
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: January 1, 1985
    Assignee: Shionogi & Co., Ltd.
    Inventors: Teruji Tsuji, Hisao Sato, Yoshio Hamashima
  • Patent number: 4481148
    Abstract: Hydroxyl-containing liquid polymers having an aliphatic polymeric backbone and sulfide linkages near the terminal portions of the polymer molecule are prepared by polymerizing (1) at least one of selected vinylidene monomers having at least one terminal CH.sub.2 .dbd.C< group per monomer molecule, together with (2) at least one hydroxyl-containing disulfide in the presence of (3) ultraviolet radiation.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: November 6, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: Changkiu K. Riew
  • Patent number: 4450138
    Abstract: This invention relates to the following:(1) An amino-containing composition characterized by polymercapto groups,(2) A polyamino-containing composition characterized by mercapto or polymercapto groups,(3) A composition characterized by the presence ofA. a mercapto or polymercapto groups, andB. a nitrogen-containing group characterized by at least one of the following:1. an amido or a polyamido group,2. a cyclic amidine or a polycyclic amidine group,3. an epihalohydrin-derived amino-containing group.This invention also relates to the use of the above compositions as corrosion inhibitors.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: May 22, 1984
    Assignee: Petrolite Corporation
    Inventors: Neil E. S. Thompson, Derek Redmore, Bernardus A. Oude Alink, Benjamin T. Outlaw
  • Patent number: 4450137
    Abstract: This invention relates to the following:(1) An amino-containing composition characterized by polymercapto groups,(2) A polyamino-containing composition characterized by mercapto or polymercapto groups,(3) A composition characterized by the presence ofA. a mercapto or polymercapto groups, andB. a nitrogen-containing group characterized by at least one of the following:1. an amido or a polyamido group,2. a cyclic amidine or a polycyclic amidine group,3. an epihalohydrin-derived amino-containing group.This invention also relates to the use of the above compositions as corrosion inhibitors.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: May 22, 1984
    Assignee: Petrolite Corporation
    Inventors: Neil E. S. Thompson, Derek Redmore, Bernardus A. Oude Alink, Benjamin T. Outlaw
  • Patent number: 4448773
    Abstract: Compounds of the formula ##STR1## in which Ar is 2-alkyl-, -alkoxy- or -halo-methyl-phenyl or .alpha.-naphthyl, each of which is further substituted,R.sub.1 is 2-furyl, 2-tetrahydrofuryl, alkenyl, cyclopropyl, .beta.-alkoxyethyl, hydroxymethyl, triazolylmethyl, imidazolylmethyl, pyrazolylmethyl, alkylsulfinyl, alkylsulfonyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, alkylsulfinyloxy, dialkylaminosulfinyloxy, phosphoric or thiophosphoric esters or amides, or alkylcarbonyloxy,R.sub.7 is hydrogen or optionally-substituted methyl or ethyl, andR.sub.8 is alkyl optionally substituted by alkoxy,are microbicidally, in particular fungicidally, active. Preferred compounds are those in which Ar is 2-methylphenyl, 2-methoxyphenyl, 2-chlorophenyl or .alpha.-naphthyl, each of which is further substituted by azido, and each of R.sub.7 and R.sub.8 is methyl.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: May 15, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Riebli, Hanspeter Fischer, Rudolph C. Thummel, Adolf Hubele
  • Patent number: 4440936
    Abstract: The chiral phosphine ligand (R)-1,2-bis(diphenylphosphino)-1-cyclohexylethane, when complexed to Rh(I), functions as a superior chiral hydrogenation catalyst. The chiral phosphine ligand is more stereochemically rigid than previous compounds; consequently, virtually optically pure materials can be produced from the chiral hydrogenation of prochiral compounds using the catalyst of this invention. This catalyst is especially useful in the chiral hydrogenation of alpha-acylamido acrylic acids.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: April 3, 1984
    Assignee: The Procter & Gamble Company
    Inventor: Dennis P. Riley
  • Patent number: 4393026
    Abstract: This invention relates to the following:(a) An amino-containing composition characterized by polymercapto groups,(2) A polyamino-containing composition characterized by mercapto or polymercapto groups,(3) A composition characterized by the presence ofA. a mercapto or polymercapto groups, andB. a nitrogen-containing group characterized by at least one of the following:1. an amido or a polyamido group,2. a cyclic amidine or a polycyclic amidine group,3. an epihalohydrin-derived amino-containing group.This invention also relates to the use of the above compositions as corrosion inhibitors.
    Type: Grant
    Filed: November 10, 1981
    Date of Patent: July 12, 1983
    Assignee: Petrolite Corporation
    Inventors: Neil E. S. Thompson, Derek Redmore, Bernardus A. Oude Alink, Benjamin T. Outlaw
  • Patent number: 4385069
    Abstract: N-allenyl-acetanilides of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogen,R.sup.2 represents hydrogen or alkyl,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents hydrogen or alkyl,R.sup.5 represents hydrogen or alkyl andR.sup.6 represents furyl, tetrahydrofuryl, thiophenyl or tetrahydrothiophenyl; isoxazolyl which is optionally substituted by alkyl; alkyl, alkenyl or alkynyl, in each case optionally substituted by cyano or thiocyano; dihalogenoalkyl; or the grouping --CH.sub.2 --Az, --CH.sub.2 --OR.sup.7, --OR.sup.7 --SR.sup.7, --CH.sub.2 --OSO.sub.2 R.sup.7, --COOR.sup.7 or ##STR2## wherein R.sup.7 represents an optionally substituted alkyl, alkenyl, alkynyl or alkoxyalkyl radical and Az represents pyrazol-1-yl, 1,2,4-triazol-1-yl or imidazol-1-yl.which possess fungicidal properties.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: May 24, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Winfried Lunkenheimer, Wilhelm Brandes
  • Patent number: 4383025
    Abstract: Substances (I) capable of being converted into higher-molecular weight materials under the influence of a cationic catalyst, such as 1,2-epoxides, aminoplasts, vinyl monomers and prepolymers, or phenoplasts, are so converted by exposure to actinic radiation in the presence of an aryl- or aroyl- carbamoylsulfoxonium salt (II) of formula ##STR1## where p is zero or 1,q is 1 to 4,Ar denotes an aromatic group,R.sup.6 denotes --H or group --COR.sup.9 or --CONH(CO).sub.r R.sup.10,R.sup.7 denotes an alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, aryl, or aralkyl group,R.sup.8 has the same meaning as R.sup.7 but may alternatively represent a dialkylamino group or, if R.sup.7 denotes alkyl, it may alternatively represent an arylamino group,R.sup.9 and R.sup.10 each denote a saturated or ethylenically unsaturated radical,r is zero or 1,t is 1, 2, or 3, andZ.sup.t- denotes a t-valent anion of a protic acid.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: May 10, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: George E. Green, Edward Irving
  • Patent number: 4377587
    Abstract: The invention relates to novel microbicides of the general formula I ##STR1## wherein R is hydrogen or methyl, Ar is a phenyl or .alpha.-naphthyl group which is substituted by NH.sub.2 or NO.sub.2 and further radicals, W is a cyano, ester, alkenyl or alkynyl group, and B is alkyl, alkenyl, cyclopropyl, 2-furyl, 2-tetrahydrofuryl, .beta.-(alkoxy)ethyl, triazolylmethyl, methylsulfonylmethyl, alkoxymethyl, alkenyloxymethyl, alkynyloxymethyl, alkylthiomethyl, alkenylthiomethyl, alkynylthiomethyl, --OSO.sub.2 -alkyl, --OSO.sub.2 NH(alkyl) or --N(alkyl).sub.2. The invention also describes plant protection compositions which contain these compounds, a process for the production of the novel compounds and compositions, and a method of controlling phytopathogenic microorganisms which comprises the use thereof.
    Type: Grant
    Filed: July 21, 1981
    Date of Patent: March 22, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Adolf Hubele, Wolfgang Eckhardt, Peter Riebli
  • Patent number: 4372972
    Abstract: This invention relates to N-substituted alkynyl anilines, methods for their preparation and their use as systemic eradicant phytopathogenic fungicides which are useful in controlling Oomycetes.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: February 8, 1983
    Assignee: Rohm and Haas Company
    Inventor: Hak-Foon Chan
  • Patent number: 4361557
    Abstract: Described are D-(threo)-1-aryl-2-acylamido-3-fluoro-1-propanol esters and salts thereof, methods for their preparation, and methods for their use as antibacterial agents.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 30, 1982
    Assignee: Schering Corporation
    Inventor: Tattanhalli L. Nagabhushan
  • Patent number: 4340739
    Abstract: Novel valuable N-chloromethyl-carboxylic acid anilides, a process for their preparation, and their use for the preparation of novel valuable N-carboxylic acid anilides.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: July 20, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Plath, Karl Eicken, Wolfgang Rohr
  • Patent number: 4337268
    Abstract: N-Oximinoalkyl-anilides of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogen,R.sup.2 represents hydrogen or alkyl,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents hydrogen or alkyl,R.sup.5 represents hydrogen or alkyl,R.sup.6 represents hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl or optionally substituted aralkyl andR.sup.7 represents furyl, tetrahydrofuryl, thiophenyl, or tetrahydrothiophenyl; isoxazolyl which is optionally substituted in alkyl; alkyl, alkenyl or alkynyl, in each case optionally substituted by cyano or thiocyano; dihalogenoalkyl or cycloalkyl; or the grouping --CH.sub.2 Az, --CH.sub.2 --OR.sup.8, --.sub.CH.sub.2 --SR.sup.8, --OR.sup.8, --SR.sup.8, --CH.sub.2 --OSO.sub.2 R.sup.8, --COOR.sup.8 or ##STR2## wherein R.sup.8 represents an optionally substituted alkyl, alkenyl, alkynyl or alkoxyalkyl radical andAz represents pyrazol-1-yl, 1,2,4-thiazol-1-yl or imidazol-1-yl,which possess fungicidal activity.
    Type: Grant
    Filed: May 15, 1980
    Date of Patent: June 29, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Wilhelm Brandes
  • Patent number: 4332967
    Abstract: This invention relates to the following:(1) An amino-containing composition characterized by polymercapto groups,(2) A polyamino-containing composition characterized by mercapto or polymercapto groups,(3) A composition characterized by the presence ofA. a mercapto or polymercapto groups, andB. a nitrogen-containing group characterized by at least one of the following:1. an amido or a polyamido group,2. a cyclic amidine or a polycyclic amidine group,3. an epihalohydrin-derived amino-containing group.This invention also relates to the use of the above compositions as corrosion inhibitors.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: June 1, 1982
    Assignee: Petrolite Corporation
    Inventors: Neil E. S. Thompson, Derek Redmore, Bernardus A. Oude Alink, Benjamin T. Outlaw
  • Patent number: 4329363
    Abstract: The present application discloses a method of correcting an imbalance of immune homeostasis caused by cytostatic treatment or radiotherapy by administering to a patient in need of such treatment an effective amount of a novel substituted mercapto acid amide and pharmaceutical compositions containing such novel substituted mercapto acid amides.
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: May 11, 1982
    Assignee: Merck & Co., Inc.
    Inventors: Conrad P. Dorn, Howard Jones
  • Patent number: 4327111
    Abstract: Mammalian collagenase is inhibited by compounds having the formula ##STR1## or a salt thereof, wherein R.sub.1 is hydrogen, alkanoyl of 2 to 10 carbon atoms, or arylcarbonyl; ##STR2## wherein R.sub.4 is hydrogen, alkyl or aryl; R.sub.3 is alkyl of 3 to 8 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, aryl or arylalkyl; andn is an integer of 1 to 20.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: April 27, 1982
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Joseph E. Sundeen, Tamara Dejneka
  • Patent number: 4318925
    Abstract: A new class of 4-homoisotwistane derivatives of the formula, ##STR1## wherein R.sub.1 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, and R.sub.2 is an alkyl group, a phenyl group which may be either unsubstituted or substituted with a C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, nitro group or a halogen atom (hereinafter referred to as "an optionally substituted phenyl group"), a group of the formula, --A--OH in which A is a C.sub.1 -C.sub.3 alkylene group; a group of the formula, --A--B in which A is as defined as above and B is a halogen atom, or a group of the formula, ##STR2## in which A is as defined above and R.sub.3 and R.sub.4 are independently a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group or R.sub.3 and R.sub.4 may, when taken together with the adjacent nitrogen atom to which R.sub.3 and R.sub.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 9, 1982
    Assignees: Sumitomo Chemical Co., Ltd., Kao Soap Co., Ltd.
    Inventors: Toshio Atsumi, Yoshiaki Takebayashi, Masaru Fukui, Hisao Yamamoto
  • Patent number: 4313005
    Abstract: This invention relates to a process for reducing amidine formation during reduction of organonitriles. The process comprises including a boron compound in the reaction medium in sufficient amount to complex the amidine compound as it is formed.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: January 26, 1982
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Michael E. Ford, Randall J. Daughenbaugh
  • Patent number: 4301083
    Abstract: Polyoxyalkylene compounds having at least four oxyalkylene units and one or two terminal hydroxyl groups are etherified by reacting same with organic primary chlorides or bromides in the presence of an aqueous, at least 30% by weight solution of sodium or potassium hydroxide to produce the corresponding etherified polyoxyalkylene derivatives. The molar ratio of the organohalide to the hydroxyl group(s) of the polyoxyalkylene compound is at least 1.2, and the molar ratio of the alkali metal hydroxide to such hydroxyl group(s) is at least 1.
    Type: Grant
    Filed: January 2, 1980
    Date of Patent: November 17, 1981
    Assignee: Kuraray Co., Ltd.
    Inventors: Noriaki Yoshimura, Masuhiko Tamura
  • Patent number: 4299974
    Abstract: Disclosed is a process for preparing N-protected 2-aminoethanethiol which proceeds via the silyl covered sulfur intermediate: ##STR1## wherein R.sup.1 is triorganosilyl and R.sup.2 is a readily removable N-protecting group.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: November 10, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Thomas M. H. Liu, Ichiro Shinkai, Meyer Sletzinger
  • Patent number: 4273938
    Abstract: N-substituted carboxylic acid amides are prepared by reacting cyano compounds with olefins and water in the presence of cation exchangers containing sulfonic acid groups. The end products I are starting materials for the preparation of dyes, pesticides, emulsifiers, dispersants, stabilizers, textile auxiliaries and printing assistants.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: June 16, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Merger, Gerhard Nestler, Uwe Kempe
  • Patent number: 4271050
    Abstract: Vulcanizable rubber compositions are described which are inhibited from premature vulcanization by activated methylene di(thioethers) in which the adjacent activating groups are either carbonyl or cyano. Novel compounds are also described.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: June 2, 1981
    Assignee: Monsanto Company
    Inventors: Otto W. Maender, Eiichi Morita
  • Patent number: 4243814
    Abstract: A process for the chemical catalytic hydrolysis of an .alpha.-aminonitrile or of one of the salts thereof, characterized in that an aqueous solution containing at least one carbonyl derivative is reacted with the said .alpha.-amine nitrile or with one of the salts thereof in the presence of hydroxide ions.
    Type: Grant
    Filed: December 1, 1977
    Date of Patent: January 6, 1981
    Inventors: Robert Pascal, Monique Lasperas nee Marnier, Alain Rousset, Auguste Commeyras, Jacques Taillades, Louis Mion
  • Patent number: 4235892
    Abstract: Described are D-(threo)-1-aryl-2-acylamido-3-fluoro-1-propanols, methods for their preparation, and methods for their use as antibacterial agents.Of particular interest are D-(threo)-1-p-nitrophenyl-2-dichloroacetamido-3-fluoro-1-propanol and D-(threo)-1-p-methylsulfonylphenyl-2-dichloroacetamido-3-fluoro-1-propanol and the corresponding 2-difluoroacetamido compounds which are the 3-fluoro-3-deoxy analogs of chloramphenicol, thiamphenicol, difluoroacetyl analog of chloramphenicol, and of fluorthiamphenicol, respectively, and which are active both against organisms sensitive to and resistant to the parent amphenicol antibiotics.Other particularly valuable antibacterial agents include the corresponding 2-(chlorofluoroacetamido)-, 2-dichlorodeuterioacetamido, 2-difluorodeuterioacetamido-, and the 2-(chlorofluorodeuterioacetamido)- derivatives of the foregoing 3-fluoro-3-deoxy amphenicols.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: November 25, 1980
    Assignee: Schering Corporation, Patent Dept.
    Inventor: Tattanahalli L. Nagabhushan
  • Patent number: 4231956
    Abstract: The process of preparing thioethers by reacting aliphatic thioalcohols, e.g., mercaptans, including hydrogen sulfide with activated, alpha, beta unsaturated compounds ##STR1## capable of participating in the Michael Addition Rection* in which X is a suitable electron withdrawing group. The Addition, which is carried out in the presence of a catalytic base is greatly improved with respect to minimizing formation of side products by utilizing a specially selected catalyst comprising one or more cyclic tertiary nitrogen compounds having an excellent balance between reactivity and selectivity. The preparation of thioethers from acrylic acid derivatives especially esters (CH.sub.2 .dbd.CH--COOR', R'=C.sub.1 --C.sub.8) is preferred. The preparation of the dimethyl ester of 3,3'-thiodipropionic acid to result in dimethylthiodipropionate of relatively high purity is especially preferred.* See Vogel, PRACTICAL ORGANIC CHEMISTRY, p. 912-913, Third Enlarged Edition.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: November 4, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventors: Daniel S. Sullivan, III, Wilbur L. Bridges
  • Patent number: RE31731
    Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, or a trihalomethyl group, andZ is an alkoxy group, an alkoxyalkoxy group, a hydroxyalkoxy group, an alkyl group, a halogen atom, an alkylamino group, a dialkylamino group, an alkylthio group, a carboxy group, a carbalkoxy group, a carboxyalkoxy group, a carbalkoxyalkoxy group, a carboxyalkyl group, a carbalkoxyalkyl group, a dialkylureido group, an alkanoylamino group, or carbalkoxyamino group,and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: November 13, 1984
    Inventors: Horst O. Bayer, Colin Swithenbank, Roy Y. Yih