Nitrogen Attached Directly To The Diazine Ring By Nonionic Bonding Patents (Class 544/407)
  • Patent number: 4594349
    Abstract: Hyperuretic agents of the formula: ##STR1## wherein Y is O or NH;R is OH; NHCONR.sup.4 R.sup.5 ; or N.dbd.C(NR.sup.4 R.sup.5).sub.2 ;R.sup.1 and R.sup.2 are hydrogen, amino, or mono- or disubstituted amino, provided that R.sup.1 and R.sup.2 may not both be amino or substituted amino; andR.sup.3 is hydrogen or halo; enhance renal excretion of urea, thereby lowering plasma urea concentration, and are therefore useful for treating hypertension, eclampsia, uremia, and similar disorders.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: June 10, 1986
    Inventor: Karl H. Beyer, Jr.
  • Patent number: 4560508
    Abstract: 4-Cyano-2-azetidinone derivatives represented by the formula ##STR1## wherein R.sup.1 is an amino group which may be acylated or protected, X is a hydrogen atom or a methoxy group and W is a hydrogen atom or a sulfo group, and methods of producing the same, for example, as represented by ##STR2## wherein R.sup.2 is an acylated or protected amino group, Y is a halogen atom or a group having the formula --OCOR.sup.3, --SCOR.sup.3 or --S(O).sub.n --R.sup.3 (R.sup.3 being a hydrocarbyl group and n an integer 1 or 2), R.sup.4 is an amino group which may be acylated or protected and X is as defined above. Compounds [I] are useful as advantageous intermediates for the synthesis of optically active 4-substituted-2-azetidinone derivatives, and, when W=SO.sub.3 H, [I] are also useful as antimicrobial agents and as beta-lactamase inhibitors.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: December 24, 1985
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Taisuke Matsuo, deceased, Michihiko Ochiai, Shoji Kishimoto
  • Patent number: 4550105
    Abstract: Disclosed are compounds of the general formula: ##STR1## wherein R.sub.1 is amino, an acylated amino or a protected amino group, X is hydrogen or methoxy, and R' is hydrogen, R or R.sup.4 wherein R is an organic residue attached to the azetidine ring through a carbon atom therein and R.sub.4 is azido, a halogen, an amino group which may optionally be acylated or a group of the formula --OR.sub.5, ##STR2## or --S--S--R.sub.5 wherein R.sub.5 is an organic residue and n is 0, 1 or 2, and pharmaceutically acceptable salts and esters thereof.The compounds have antimicrobial and/or .beta.-lactamase-inhibitory activity and are of value as drugs for human beings and domesticated animals.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: October 29, 1985
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Taisuke Matsuo, Shoji Kishimoto, Michihiko Ochiai
  • Patent number: 4550111
    Abstract: Alkanolamine derivatives of the formula ##STR1## wherein Ar is phenyl or napthyl which is unsubstituted or which bears one or two defined substituents, or Ar is certain defined heterocyclic or bicyclic aromatic systems;wherein R.sup.1 is halogen, cyano, trifluoromethyl or trifluoromethylthio;wherein either R.sup.2 and R.sup.3 each is hydrogen or alkyl, or R.sup.2 is hydrogen and R.sup.3 is cycloalkyl or cycloalkyl-alkyl, or R.sup.2 and R.sup.3 are joined to form, together with the adjacent nitrogen atom, a heterocyclic group;wherein either R.sup.4 is hydrogen and R.sup.5 is hydrogen or alkyl, or R.sup.4 is hydrogen and R.sup.5 and R.sup.6 are joined together to form alkylene, or R.sup.4, R.sup.5 and R.sup.6 are joined together to form alk-1-yl-.omega.-ylidene;wherein either R.sup.6 and R.sup.7 each is hydrogen or alkyl, or R.sup.6 is joined to R.sup.4 or to R.sup.4 and R.sup.5 as defined above and R.sup.7 is hydrogen or alkyl, or R.sup.6 and R.sup.7 are joined together to form alkylene, or one of R.sup.
    Type: Grant
    Filed: January 19, 1983
    Date of Patent: October 29, 1985
    Assignee: Imperial Chemical Industries plc
    Inventors: Jeffrey J. Barlow, Leslie H. Smith
  • Patent number: 4513135
    Abstract: This invention relates to certain amino-5,6-diarylpyrazines useful as activators of GABA and benzodiazepine binding.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: April 23, 1985
    Assignee: Eli Lilly and Company
    Inventors: David T. Wong, William B. Lacefield
  • Patent number: 4512991
    Abstract: Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine;R is chloro, but only when R.sup.1 is other than hydrogen; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C.sub.1-8 alkylthio; mono- or di-substituted loweralkylthio wherein the substituents are hydroxy, amino, loweralkanoylamino, or loweralkoxycarbonyl; arylthio; loweralkylsulfoxy; or loweralkylsulfonyl; andR.sup.1 is hydrogen; straight or branched C.sub.1-8 alkyl; aryl; aryl substituted with up to two members selected from the group consisting of C.sub.1-3 alkyl, C.sub.1-3 alkoxy, halo, and mono- or di-C.sub.1-3 alkyl substituted amino; heteroaryl; formyl C.sub.2-4 alkenyl; or C.sub.2-4 alkenyl;are useful in various agricultural and industrial areas.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: April 23, 1985
    Assignee: Merck & Co., Inc.
    Inventor: David B. R. Johnston
  • Patent number: 4503231
    Abstract: Hydrolysis of nitrile to amide by use of a quaternary ammonium hydroxide at 60.degree. to 95.degree. C.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: March 5, 1985
    Assignee: The Lummus Company
    Inventors: George D. Suciu, Joon T. Kwon
  • Patent number: 4481202
    Abstract: Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; andR is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C.sub.1-8 alkylthio; mono- or di-substituted loweralkylthio wherein the substituents are hydroxy, amino, loweralkanoylamino, or loweralkoxycarbonyl; arylthio; loweralkylsulfoxy; or loweralkylsulfonyl; andR.sup.1 is C.sub.6-12 alkyl;are useful in various agricultural and industrial applications.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: November 6, 1984
    Assignee: Merek & Co., Inc.
    Inventor: David B. R. Johnston
  • Patent number: 4451653
    Abstract: Compounds are prepared which correspond to the formulae ##STR1## wherein R represents a nitrogen containing heterocyclic radical corresponding to one of the formulae ##STR2## each X independently represents chloro, fluoro, bromo, nitro, alkyl of 1 to 4 carbon atoms, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, cyano, trifluoromethyl, trichloromethyl, phenoxy or substituted phenoxy of the formula ##STR3## wherein each Z independently represents chloro, fluoro, bromo, nitro, cyano, alkoxy of 1 to 4 carbon atoms or alkylthio of 1 to 4 carbon atoms, with the proviso that when either n is 2 or 3, all X groups are sterically compatible with each other and all Z groups are sterically compatible with each other; Y represents oxygen or sulfur; each n can independently represent an integer of from 0 to 3, inclusive; R.sup.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: May 29, 1984
    Assignee: The Dow Chemical Company
    Inventor: Chester E. Pawloski
  • Patent number: 4442096
    Abstract: Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; andR is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C.sub.1-8 alkylthio; mono- or di-substituted loweralkylthio wherein the substituents are hydroxy, amino, loweralkanoylamino, or loweralkoxycarbonyl; arylthio; loweralkylsulfoxy; or loweralkylsulfonyl;R.sup.1 is hydrogen; or loweralkyl;R.sup.2 is (CH.sub.2).sub.n COOR.sup.3, where R.sup.3 is hydrogen, loweralkyl, or benzyl; and n is 1 to 3; andR.sup.1 and R.sup.2 are taken together with an oxygen or nitrogen atom to form morpholino, piperazinyl, or piperazinyl which is N-loweralkyl substituted; are useful in various agricultural and industrial areas.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: April 10, 1984
    Assignee: Merck & Co., Inc.
    Inventor: David B. R. Johnston
  • Patent number: 4442097
    Abstract: Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; andR is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C.sub.1-8 alkylthio; mono- or di-substituted loweralkylthio wherein the substituents are hydroxy, amino, loweralkanoylamino, or loweralkoxycarbonyl; arylthio; loweralkylsulfoxy; or loweralkylsulfonyl;R.sup.1 is hydrogen; or loweralkyl;R.sup.2 is hydroxyloweralkyl; (CH.sub.2).sub.n COOR.sup.a, where R.sup.a is hydrogen, loweralkyl, or benzyl; and n is 1 to 3;R.sup.1 and R.sup.2 are taken together with an oxygen or nitrogen atom to form morpholino, piperazinyl, or piperazinyl which is N-loweralkyl substituted; andR.sup.3 is hydrogen; straight or branched C.sub.1-8 alkyl, provided that when R.sup.3 is hydrogen or C.sub.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: April 10, 1984
    Assignee: Merck & Co., Inc.
    Inventor: David B. R. Johnston
  • Patent number: 4416882
    Abstract: Di(alkylamino) derivatives of chloronitropyrazines are prepared from dichloronitropyrazinamine by diazotization of the amine followed by halogen exchange to produce an intermediate dichloro-halo nitropyrazine followed by reaction with one or two moles of an alkyl amine to effect replacement of one or two of the pyrazine halogens.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: November 22, 1983
    Assignee: Merck & Co., Inc.
    Inventor: George D. Hartman
  • Patent number: 4413999
    Abstract: The invention provides amidoxime derivatives of the general formula ##STR1## wherein R.sub.1 is an alkyl group of 1 to 8 carbon atoms, phenyl, a heterocyclic ring structure of 5 to 8 atoms containing one or more nitrogen or oxygen atoms or combinations thereof or a bicyclic condensed ring system optionally containing at least one heterocyclic ring which groups may each be optionally substituted. R.sub.2 is a mono or bicyclic heterocyclic radical containing at least two nitrogen atoms which radical is also optionally substituted. R.sub.3 and R.sub.4 are independently H, or an alkyl of 1 to 4 carbon atoms or one, but not both, is ##STR2## and the other, H, wherein R.sub.5 or R.sub.6 are alkyls of 2 to 5 carbon atoms optionally substituted by R.sub.1, or a phenyl optionally substituted by R.sub.1 or R.sub.5 or R.sub.6 is combined with R.sub.1 to jointly form cyclic imidoximes or imidedioximes.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: November 8, 1983
    Assignee: Research Products Rehovot Ltd.
    Inventors: Charles Linder, Gershon Aviv
  • Patent number: 4399138
    Abstract: Novel alkanolamine derivatives of the formula: ##STR1## wherein Ar is phenyl or naphthyl which is unsubstituted or which bears one or two substituents selected from halogen, trifluoromethyl, hydroxy, amino, nitro, carbamoyl, carbamoylmethyl and cyano, and alkyl, alkenyl, alkoxy, alkenyloxy, alkylthio, alkanoyl and alkanoylamino each of up to 6 carbon atoms, or Ar is 4-indolyl, 4-benzo[b]thienyl, 5-benzo[1,4]dioxanyl, 4- or 5-indanyl, 5- or 6- 1,2,3,4-tetrahydronaphthyl), 2,3-dihydroxy-1,2,3,4-tetrahydronaphth-5-yl or 4- morpholino-1,2,5-thiadiazol-3-yl;wherein R is halogen;wherein A.sup.1 is alkylene of 2 to 6 carbon atoms; andwherein A.sup.2 is alkylene of 1 to 7 carbon atoms which in unsubstituted or bears a phenyl, hydroxy or carbamoyl substituent, or A.sup.2 is cycloalkylene of 3 to 6 carbon atoms;or acid-addition salts thereof.The compounds possess either .beta.-adrenergic blocking activity or diuretic activity or both such activities and may be used in the treatment of heart disease or hypertension.
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: August 16, 1983
    Assignee: Imperial Chemical Industries PLC
    Inventors: Jeffrey J. Barlow, Leslie H. Smith
  • Patent number: 4293551
    Abstract: The invention relates to N-amino-3,4,5-trihydroxypiperidines, methods for their production, compositions containing said compounds. Also included are methods for the use of said compounds and compositions.
    Type: Grant
    Filed: July 17, 1979
    Date of Patent: October 6, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunther Kinast, Lutz Muller, Walter Puls, Rudiger Sitt
  • Patent number: 4246406
    Abstract: The case involves novel heterocyclic substituted pyrazinoylguanidines and a process for preparing same. The heterocyclic pyrazinoylguanidines are eukalemic agents possessing diuretic and natriuretic properties.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: January 20, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr., Susan J. DeSolms
  • Patent number: 4208413
    Abstract: The case involves novel N-pyrazinecarbonyl-N'-alkoxycarbonyl and N',N"-bis(alkoxycarbonyl)guanidines and processes for preparing same. The compounds are excellent eukalemic agents possessing diuretic and natriuretic properties.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: June 17, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr.
  • Patent number: 4196292
    Abstract: N-amidino-3,5-diamino-6-substituted-2-pyrazinecarboxamides and a process for their synthesis.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: April 1, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Otto W. Woltersdorf, Jr., Susan J. deSolms, Edward J. Cragoe, Jr.
  • Patent number: 4145551
    Abstract: The case involves novel pyrazine-2-carbonyloxyguanidines and processes for preparing same. The pyrazine-2-carbonyloxyguanidines are eukalemic or antikaliuretic agents possessing diuretic and natriuretic properties.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: March 20, 1979
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr., Mark G. Bock
  • Patent number: 4141977
    Abstract: A treatment to alleviate the symptoms of psoriasis consisting of topical application of a cream, ointment or lotion containing, as the principal active ingredient, one or more 6-substituted nicotinamides and or 2-substituted pyrazinamides is disclosed. The therapeutic composition may include a single member of the above active ingredients present in a total amount of from 0.01 to 5 percent by weight of the total composition, or a plurality thereof present in a preferred concentration range of from 0.02 to 2 percent by weight of the total composition. Topical application of the therapeutic composition in a cream, ointment, or a water or alcohol solution has been found to achieve from substantial to complete remissions of psoriasis in humans.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: February 27, 1979
    Inventors: Ruey J. Yu, Eugene J. Van Scott
  • Patent number: 4115573
    Abstract: The case involves novel N-pyrazinecarbonyl-N'-substituted-sulfamoylguanidine and processes for preparing same. The N-pyrazinecarbonyl-N'-substituted-sulfamoylguanidines are excellent eukalemic agents possessing diuretic and natriuretic properties.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: September 19, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr.
  • Patent number: 4089858
    Abstract: The present invention is concerned with the preparation of chemical intermediates, namely, beta-amino-acrylic acid ester derivatives of nitrogen heterocycles, i.e. pyridine, quinoline, quinoxaline, pyrazine, pyrimidine and the like. Said intermediates are cyclized to form pyrido-pyrimidine type final products possessing analgesic activity.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: May 16, 1978
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Zoltan Meszaros, Jozsef Knoll, Istvan Hermecz, Piroska Simon, Peter Szentmiklosy, Lelle Vasvari, Agnes Horvath, Gabor Horvath, Peter Dvortsak