Nitrogen Attached Directly Or Indirectly To The Lactone Ring By Acyclic Nonionic Bonding Patents (Class 549/321)
  • Patent number: 5043457
    Abstract: Compounds of the formula ##STR1## in which R is alkyl, arylalkyl or substituted arylkalkyl, or alkenyl containing one or more olephinic bonds; X is O, NH or NR.sub.1, where R.sub.1 is alkyl of 1 to 20 carbons or arylalkyl; and Y is H, alkyl of 1 to 20 carbons, arylalkyl, aryl, substituted aryl, substituted arylalkyl, alkenyl containing one or more olephinic bonds PO(OH).sub.2, PO(OH)OR.sub.2, PO(OH)R.sub.2 PO(OR.sub.2).sub.2, where R.sub.2 is independently alkyl of 1 to 20 carbons, phenyl, or substituted phenyl, further Y is CO--R.sub.3, CO--OR.sub.3, CONHR.sub.3, SO.sub.2 R.sub.3, SO.sub.2 NHR.sub.3, (CH.sub.2).sub.n --O--R.sub.3, or (CH.sub.2).sub.n --O--(CH.sub.2).sub.m --O--R.sub.3, where n, and m, are integers and are independently 1 to 20 and R.sub.3 is H, alkyl, alkenyl containing one or more olephinic bonds, aryl, substituted aryl, arylalkyl or substituted arylalkyl, with the proviso that when Y is CO--R.sub.3, CO--OR.sub.3, and CONHR.sub.3 then R.sub.3 is not hydrogen, are disclosed.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: August 27, 1991
    Assignee: Allergan, Inc.
    Inventor: Gary C. M. Lee
  • Patent number: 5023351
    Abstract: Disclosed are .alpha.-(.omega.-Cyanoalkanoyl)-.gamma.-butyrolactone represented by the formula: ##STR1## wherein n represents an integer of 7 to 11, and a method for producing the same, which comprises reacting .omega.-cyano fatty acid ester represented by the formula:NC--(CH.sub.2).sub.n --COOR (II)wherein R represents an alkyl group having 1 to 4 carbon atoms and n has the same meaning as in the above, with .gamma.-butyrolactone in the presence of alkali metal alcoholate represented by the formula:R'OM (III)wherein R' represents an alkyl group having 1 to 4 carbon atoms and M represents an alkali metal.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: June 11, 1991
    Assignee: Ube Industries, Ltd.
    Inventors: Hiroshi Yoshida, Noboru Kakeya, Masanori Kashiwagi
  • Patent number: 5013850
    Abstract: Compounds of Formula 1, and of Formula 2, ##STR1## in which R.sub.1 is H or alkyl of 1 to 20 carbon, CO--R.sub.1 * CO--O--R.sub.1 * CO--NH--R.sub.1 * or PO(OR.sub.1 *).sub.2 or PO(OR.sub.1 *)R.sub.1 * where R.sub.1 * independently is alkyl of 1 to 20 carbons, phenyl, or substituted phenyl; X is long chain alkyl having at least 5 carbon atoms, long chain alkyl of at least 5 carbons substituted with an aryl group, or long chain alkyl of at least 5 carbons substituted with a substituted aryl group; Y is COOH, COOR.sub.2, CONH.sub.2, CONHR.sub.2, CON(R.sub.2).sub.2, CHO, COR.sub.2 ; COCF.sub.3, COCHF.sub.2, CH.dbd.NR.sub.2, CR.sub.2 .dbd.N--R.sub.2, CH.dbd.N--NHR.sub.2, CH.dbd.N--N(R.sub.2).sub.2, CH.dbd.NOH, CR.sub.2 .dbd.N--OH, CH.dbd.NOR.sub.2, CR.sub.2 .dbd.NOR.sub.2, CH.sub.2 OH, CHR.sub.2 OH, C(R.sub.2).sub.2 OH, CH.sub.2 OR.sub.2 * CHR.sub.2 OR.sub.2 * C(R.sub.2).sub.2 OR.sub.2 * SO.sub.2 R.sub.2, PO(OR.sub.3).sub.2, and PS(OR.sub.3).sub.2, where R.sub.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: May 7, 1991
    Assignee: Allergan, Inc.
    Inventor: Gary C. M. Lee
  • Patent number: 4996316
    Abstract: A process for the preparation of tertiary N,N-dimethylamines by the reaction of primary amines, formaldehyde, and hydrogen under pressure and at elevated temperature in the presence of a nickel-containing hydrogenation catalyst in the liquid phase. The hydrogenation catalyst is suspended in a solvent, the nickel concentration is 0.1 to 10% by weight, based on the primary amine. The starting materials are separate from each other, brought to 80.degree. to 150.degree. C. and 1 to 15 MPa and fed into the catalyst suspension simultaneously with stirring and reacted in one step to form the tertiary N,N-dimethylamines.
    Type: Grant
    Filed: December 24, 1988
    Date of Patent: February 26, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jurgen Weber, Detlef Kampmann, Claus Kniep
  • Patent number: 4992562
    Abstract: A series of novel polypeptide derivatives, containing 5-amino-2,5-disubstituted-4-hydroxypentanoic acid residues, which are useful for inhibiting the angiotensinogen-cleaving action of the enzyme renin. Particularly valuable precursors for many of these compounds are certain other 5-amino-2,5-disubstituted-4-hydroxypentanoic acid derivatives.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: February 12, 1991
    Assignee: Pfizer Inc.
    Inventors: Edward F. Kleinman, Robert L. Rosati, Jasjit S. Bindra
  • Patent number: 4950666
    Abstract: The present invention discloses compounds of the formula ##STR1## in which R is a 1,1-difluoroalkyl group or a 1,1-difluoroethenyl group having an even numbered carbon chain length of from 4 to 22 carbon atoms, pesticidal compositions thereof; and their use to control plant pests such as insects, acarids, and nematodes.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: August 21, 1990
    Assignee: FMC Corporation
    Inventors: Clinton J. Peake, Thomas G. Cullen, Anthony J. Martinez
  • Patent number: 4935530
    Abstract: A process for preparing 5-substituted-3-furaldehydes which comprises reacting 3-furaldehyde with lithium morpholide, followed by sec-butyl lithium, followed by an electrophile.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: June 19, 1990
    Assignee: Allergan, Inc.
    Inventor: Gary C. M. Lee
  • Patent number: 4918187
    Abstract: The present invention relates to compounds of the formula ##STR1## wherein R.sub.c is carboxy, esterified carboxy or amidated carboxy; R.sub.2 is hydrogen or lower alkyl or joins with R.sub.a and R.sub.b and the atoms therebetween to form a fused ring ##STR2## and either R.sub.a is methyl and R.sub.b is ##STR3## or R.sub.2 and R.sub.b and the atoms therebetween form a group ##STR4## wherein R.sub.3 and R.sub.4 are either both hydrogen, or together are propylene, butylene, or with the two atoms to which they are attached form a benzene ring. Methods of manufacture and use thereof in the production of angiotensin converting enzyme inhibitors are disclosed.
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: April 17, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Stephen K. Boyer
  • Patent number: 4912220
    Abstract: Nitroaryl carbonyl Formula (IIA) compounds, their nitrodihydroaryl carbonyl Formula (I) intermediates, processes for preparing Formula (II) compounds, and a process for preparing Formula (I) compounds, wherein each process comprises the reaction of a nitroaryl compound with a silane.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: March 27, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thaliyil V. Rajanbabu
  • Patent number: 4910322
    Abstract: Geminal dinitro compounds are prepared by reacting an organic nitro compound having a replaceable hydrogen on the carbon to which the nitro group is attached with a source of nitrite ions in the presence of an oxidizing agent and a catalytic amount of an alkali metal ferricyanide.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: March 20, 1990
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Vytautas Grakauskas, Lee C. Garver, Kurt Baum
  • Patent number: 4898977
    Abstract: The invention relates to novel processes and intermediates for the preparation of 5-amino-4-hydroxyvaleric acid derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, optionally substituted alkyl, cycloalkyl, cycloalkyl-lower alkyl, aryl, aryl-lower alkyl or the radical of a natural amino acid, R.sup.2 represents hydrogen, optionally substituted alkyl, cycloalkyl, cycloalkyl-lower alkyl, aryl, aryl-lower alkyl, amino, hydroxy, mercapto, sulphinyl, sulphonyl or the radical of a natural amino acid, and R.sup.3 represents optionally substituted hydroxy or amino, by sigmatropic rearrangement of a suitable allyl ester, halolactonisation of the resulting .gamma.,.delta.-unsaturated acid or of a suitable derivative thereof, exchange of halogen for a nitrogen-containing nucleophile, opening of the lactone ring and freeing of the amino group. Compounds of the formula I are starting materials for the preparation of renin-inhibitors which have an anti-hypertensive action.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: February 6, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Herold, Christof Angst
  • Patent number: 4876359
    Abstract: Novel .gamma.-butyrolactone derivatives having strong ACE inhibitory activity are provided. They are represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and mean individually a hydrogen atom or a straight-chain or branched alkyl or cycloalkyl group, or R.sup.1 and R.sup.2 are bonded together to mean an alkylene group having 2-6 carbon atoms, R.sup.3 denotes a hydrogen atom or a lower alkyl, aralkyl, amino lower alkyl or lower alkoxycarbonylamino lower alkyl group, R.sup.4 means a lower alkyl, cycloalkyl or aralkyl group, R.sup.5 means a hydrogen atom or a lower alkyl group, or R.sub.4 and R.sub.5 are bonded together to denote an alkylene group having 2-4 carbon atoms, and R.sup.6 stands for a hydrogen atom or a lower alkyl or aralkyl group; or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: October 24, 1989
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Hasegawa, Noriaki Shioiri, Tadashi Narita, Tatsuhiko Katori
  • Patent number: 4831166
    Abstract: .gamma.-butyrolactones of the general formula I ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms which may be substituted by lower alkoxy or acyloxy and R.sup.2 is hydrogen or straight-chain or branched alkyl which is unsubstituted or substituted by a functional group or is aryl, are prepared by reacting an alkylene oxide of the general formula II ##STR2## with an acylacetate of the general formla III ##STR3## where R.sup.1 and R.sup.2 have the above meanings and R.sup.3 and R.sup.4 are each alkyl of 1 to 6 carbon atoms or aryl, and R.sup.4 may furthermore be hydrogen, in the presence of a catalyst at elevated temperatures, by a process in which the reaction is carried out in the presence of an alkali metal halide, of an ammonium halide, preferably a quaternary ammonium halide, of a phosphonium halide, of an alkali metal phosphate or of an alkali metal carbonate at from 20.degree. to 200.degree. C. and under from 1 to 50 bar.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: May 16, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Eckhardt, Walter Gramlich, Walter Best, Klaus Halbritter
  • Patent number: 4783222
    Abstract: A surface treatment composition for glass fibers comprising an aqueous solution or emulsion of an organosilane which contains at least one isoimido group. The organosilane with the highest adhesion promotion is N-2-(isomaleimodo)aminoethyl-3-aminopropyl-trimethylsilane.
    Type: Grant
    Filed: November 17, 1987
    Date of Patent: November 8, 1988
    Assignee: International Business Machines Corporation
    Inventor: Frank Druschke
  • Patent number: 4774334
    Abstract: Compounds possessing antiallergy activity have the formula: ##STR1## wherein R and R.sup.1 are independently hydrogen or alkyl, or R and R.sup.1 together with the attached nitrogen form a heterocyclic ring system selected from the group consisting of piperidinyl, pyrrolidinyl, morpholinyl and 1, 2, 3, 4-tetrohydroquinolinyl, and R.sup.2 is phenyl or phenyl monosubstituted with a lower alkyl, a nitro, a halogenated methyl, a halogen or a lower alkoxy group.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: September 27, 1988
    Assignee: Pennwalt Corporation
    Inventors: Vassil S. Georgiev, Thomas R. DeCory
  • Patent number: 4743690
    Abstract: Nitroaryl carbonyl Formula (IIA) compounds, their nitrodihydroaryl carbonyl Formula (I) intermediates, processes for preparing Formula (II) compounds, and a process for preparing Formula (I) compounds, wherein each process comprises the reaction of a nitroaryl compound with a silane.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thaliyil V. Rajanbabu
  • Patent number: 4728669
    Abstract: 3-(N-acyl-N-arylamino)-gamma-butyrolactones and thiobutyrolactones have fungicidal activity.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: March 1, 1988
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4721797
    Abstract: N-acyl-N-alkyl-2,6-dialkyl-3-chloroanilines of the formula ##STR1## wherein R.sub.1 is methyl or ethyl, R.sub.2 is alkoxymethyl, chloromethyl or 2-tetrahydrofuryl, R.sub.3 is alkoxymethyl, carboxy or alkoxycarbonyl and R.sub.4 is hydrogen or methyl and, if R.sub.3 is carboxy or alkoxycarbonyl, R.sub.4 is also 2-alkoxyethyl and 2-alkoxypropyl, and R.sub.3 and R.sub.4, together with the carbon atom to which both radicals are attached, may also form a 2-oxotetrahydro-3-furyl radical or a 2-oxo-5-methyltetrahydro-3-furyl radical, are prepared by reacting a 2,6-dialkylaniline of the formula ##STR2## with a halide of the formula ##STR3## wherein X is chlorine or bromine, to give an N-alkyl-2,6-dialkylaniline of the formula ##STR4## then converting said compound by further reaction with an acylating agent of the formulaX.sub.1 --CO--R.sub.2wherein X.sub.1 is chlorine, bromine or -O-CO-R.sub.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: January 26, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Eckhardt, Hans Suess
  • Patent number: 4659862
    Abstract: Nitroaryl carbonyl Formula (IIA) compounds, their nitrodihydroaryl carbonyl Formula (I) intermediates, processes for preparing Formula (II) compounds, and a process for preparing Formula (I) compounds, wherein each process comprises the reaction of a nitroaryl compound with a silane.
    Type: Grant
    Filed: May 3, 1984
    Date of Patent: April 21, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Thaliyil V. Rajanbabu
  • Patent number: 4625040
    Abstract: Compounds which possess antiallergy activity have the formula: ##STR1## wherein R is selected from phenyl and phenyl mono or disubstituted with lower alkyl, nitro, halogenated methyl, halogen, lower alkoxy and combinations thereof;wherein R.sup.1 is selected from hydrogen and lower alkyl; andwhere R.sup.2 is selected from phenyl, phenyl monosubstituted with lower alkyl, nitro, halogenated methyl, halogen, and lower alkoxy, and trans-phenylcyclopropyl in which the phenyl group may be substituted with lower alkyl or halogen.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: November 25, 1986
    Assignee: Pennwalt Corporation
    Inventors: Vassil S. Georgiev, Robert A. Mack
  • Patent number: 4600775
    Abstract: Novel isomaleimido and isophthalimido derivatives of chromophoric compounds are provided which are useful in analytical techniques for the detection and measurement of biological compounds such as bacteria, enzymes, hormones and the like.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: July 15, 1986
    Inventor: Spyros Theodoropulos
  • Patent number: 4599351
    Abstract: 3-(N-butyryl or valeryl-N-arylamino)-gamma-butyrolactones and their thio analogs. These compounds are useful as fungicides.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: July 8, 1986
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4585789
    Abstract: Described are compounds of the formula: ##STR1## Wherein A is a lower alkylene group;R.sup.1 is a carboxy, hydroxy, lower alkoxycarbonyl, lower alkoxycarbonylamino, phenyl(lower)alkyloxy, benzoyloxy or lower alkanoyloxy group;R.sup.2 is a hydrogen or halogen atom or a halo(lower)alkyl group;R.sup.3 is a hydrogen or halogen atom;R.sup.4 is hydroxy, lower alkoxy, lower alkanoyloxy or lower alkoxycarbonyloxy group; andR.sup.5 is a hydrogen or halogen atom;Q is the number of double bonds which is equal to 0 or 1;n is an integer of 0 or 1, provided that when Q is 0, n is 1 and when Q is 1, n is 0.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: April 29, 1986
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masanori Okamoto, Itsuo Uchida, Kazuyoshi Umehara, Masanobu Kohsaka, Hiroshi Imanaka
  • Patent number: 4564629
    Abstract: N-Acylated N-phenyl-aminotetrahydro-2-furanones of the formula ##STR1## wherein R represents C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen,R.sub.1 represents C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen,R.sub.2 represents hydrogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen,R.sub.3 represents hydrogen or methyl, with the total number of C atoms of the substituents R, R.sub.1, R.sub.2 and R.sub.3 in the phenyl ring not exceeding the number 8,R.sub.4 represents hydrogen or methyl, whileR.sub.5 represents one of the following groups: an alkylthioalkyl or alkoxyalkyl group having 2 to 5 carbon atoms or an alkoxyalkoxymethyl group having a maximum of 6 carbon atoms, a 2-furanyl or 2-tetrahydrofuranyl group optionally substituted by halogen, a 1,2,4-triazolylmethyl group, a 1,2-pyrazolylmethyl group, or a group --CH.sub.2 --OR.sub.6 in which R.sub.6 represents a 5- or 6-membered heterocycle having oxygen as the hetero atom.are valuable fungicidal active substances.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: January 14, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Kunz, Wolfgang Eckhardt, Adolf Hubele
  • Patent number: 4537905
    Abstract: Substituted oximinoacetanilides of the general formula ##STR1## in which R.sup.1 denotes an alkyl or alkoxy group or a halogen atom,R.sup.2 denotes a hydrogen or halogen atom or an alkyl or trifluoromethyl group,R.sup.3 denotes a hydrogen or halogen atom or an alkyl group,R.sup.4 denotes a hydrogen atom or a methyl group,R.sup.5 denotes an alkoxy, amino or --NH--CO--NH--R.sup.7 group,whereinR.sup.7 represents a hydrogen atom or an optionally cyano-, alkoxy- or alkoxycarbonyl-substituted alkyl group, or represents a cycloalkyl group, andR.sup.6 denotes various aliphatic or heterocyclic radicals, are new and find use as pest-combating agents, in particular as fungicides.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: August 27, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Werner Daum
  • Patent number: 4508731
    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, andR.sub.9 is hydrogen or methyl,are microbicidally, in particular fungicidally active. The 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 R.sub.9 is hydrogen.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: April 2, 1985
    Assignee: Ciba Geigy Corporation
    Inventors: Peter Riebli, Hanspeter Fischer, Rudolph C. Thummel, Adolf Hubele
  • 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: 4440780
    Abstract: 3-(N-acyl-N-arylamino) and 3-(N-thionoacyl-N-arylamino)-gamma-butyrolactones and thiobutyrolactones have fungicidal activity.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: April 3, 1984
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4434294
    Abstract: Novel imino derivatives of esters of 3-formyl-cyclopropane-1-carboxylic acids in their various isomeric forms and mixtures thereof of the formula ##STR1## wherein Z is an organic residue of a primary amine of the formula Z--NH.sub.2 and the acid moiety may have the cis or trans configuration and the alcohol moiety may have the R,S or RS configuration, novel intermediates therefore and a process for the preparation of the corresponding 3-substituted vinyl esters having insecticidal activity.
    Type: Grant
    Filed: October 1, 1981
    Date of Patent: February 28, 1984
    Assignee: Roussel Uclaf
    Inventors: Jacques Martel, Jean Tessier, Andre Teche
  • Patent number: 4423236
    Abstract: Novel condensation products between enediol ketolactones such as 5,6-0-isopropylidene ascorbic acid and 2-chloroethyl isocyanates are shown to have potent antitumor activity probably without the release of alkylating agents in vivo. While the structures of the products are not readily elucidated, activity is found to exceed that of BCNU (bis-(2-chloroethyl)-N-nitrosourea) and parallel that of the toxic and highly effective nitrosourea, MeCCNU (1-(4-trans-methylcyclohexyl)-3-(2-chloroethyl)-3-nitrosourea). Preferred compounds are condensation products of ##STR1## wherein R.sub.2 and R.sub.3 are a lower alkyl group containing 1 to 3 carbon atoms or H andhal--CH.sub.2 --CH.sub.2 --N.dbd.C.dbd.O (B)wherein hal is I, Br or Cl.
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: December 27, 1983
    Assignee: National Foundation for Cancer Research, Inc.
    Inventor: Andrew J. Welebir
  • Patent number: 4407817
    Abstract: 3-(N-acyl-N-arylamino) and 3-(N-thionoacyl-N-arylamino)-gamma-butyrolactones and thiobutyrolactones have fungicidal activity.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: October 4, 1983
    Assignee: Chevron Research Company
    Inventor: David C. K. Chan
  • Patent number: 4396775
    Abstract: This invention is related to homoserine aldehyde derivatives represented by the formula (I) which is important intermediate for producing mugineic acid, 2'-deoxymugineic acid, avenic acid A and homologue.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: August 2, 1983
    Assignee: Suntory Limited
    Inventors: Yasufumi Ohfune, Masako Tomita, Kyosuke Nomoto
  • Patent number: 4350637
    Abstract: Novel substituted lactones of amino acids in all their possible stereoisomeric forms or mixtures thereof of the formula ##STR1## wherein A is a hydrocarbon chain of 1 to 10 chain members containing one or more heteroatoms and one or more unsaturations and the chain members being a mono- or polycyclic system or comprises a system of spiro or endo type and may contain one or more chiral atoms or the lactone copula can present a supplementary chirality due to the asymetric spatial configuration of the molecule make up and R is selected from the group consisting of: ##STR2## wherein Z is the organic remainder of an amino acid of the formula: ##STR3## Y is derived from a primary, secondary or tertiary alcohol of the formula Y-OH and B is the remainder of a heterocycle amino acid of 3 to 6 carbon atoms of the formula: ##STR4## and their preparation and their use for the resolution of amino acids.
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: September 21, 1982
    Assignee: Roussel Uclaf
    Inventors: Jacques Martel, Jean Tessier, Andre Teche
  • Patent number: 4349378
    Abstract: Sulphonanilides of formula ##STR1## and salts thereof, wherein R.sup.1 represents alkyl or certain other groups;R represents alkylene or alkenylene;A represents --COR.sup.12 or a carbonyl derivative or addition compound thereof, where R.sup.12 represents hydrogen, alkyl or certain other groups; andR.sup.2 -R.sup.6 represent hydrogen, alkyl, halogen or certain other groups;are pesticides and plant growth regulants, especially herbicides and fungicides.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: September 14, 1982
    Assignee: FBC Limited
    Inventors: Geoffrey R. Cliff, Russell G. Hunt, Albert Percival
  • Patent number: 4338450
    Abstract: Carbamate-sulfenyl-carba moyl fluoride compounds are valuable insecticidal compositions and are also useful intermediates in the production of bis-carbamate compounds.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: July 6, 1982
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: H253
    Abstract: Energetic branched polynitrodiols of the formula ##STR1## wherein Z is --C(NO.sub.2).sub.3, --CF(NO.sub.2).sub.2, --C(NO.sub.2).su CH.sub.3, or --N(NO.sub.2)CH.sub.3, and a method of preparation. These diols are useful as components of energetic binders for plastic-bonded explosives.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: April 7, 1987
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Michael E. Sitzmann, William H. Gilligan