Polycyclo Ring System Having The Diazine Ring As One Of The Cyclos Patents (Class 544/245)
  • Patent number: 4940705
    Abstract: N-substituted derivatives of 1-desoxynojirimycin and 1-desoxymannojirimycin of the formula ##STR1## in which one of R and R' are hydroxyl and the other is hydrogenn is a number from 1 to 6R.sup.1 is hydrogen, alkyl or benzyl andR.sup.2 is alkyl which is optionally substituted by an optionally substituted aryl or by pyridyl, thienyl, furyl, pyrimidyl, pyrazinyl or quinolyl or R.sub.1 is cycloalkyl or R.sup.2 is optionally substituted by aryl or R.sup.2 is a saturated bridged heterocycle or R.sup.1 and R.sup.2 together can form a heterocyclic ring which is optionally substituted. These compounds are useful in the treatment of and prophylaxis of viral infections.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: July 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Boshagen, Bodo Junge, Arnold Paessens, Matthias Schuller
  • Patent number: 4925943
    Abstract: Derivatives of 2-(2-aminobenzyl or 2-nitrobenzyl)-1,2,3,4-tetrahydroisoquinoline of the formula ##STR1## in which each of substituents R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 or R.sub.8 may represent either a hydrogen atom, a straight or branched chain alkyl group, a straight or branched chain alkoxy group, a hydroxy group or corresponding esters, a phenoxy group, a benzyloxy group, a methylenedioxy bridge (--O--CH.sub.2 --O--) when this substituent is connected with an adjacent carbon, a halogen, a nitro group, an amine function corresponding to primary or secondary or tertiary amine, or quarternary ammonium;each of substituents R.sub.9 or R.sub.10 may represent either a hydrogen atom, a straight or branched chain alkyl group, an arylalkyl group, an amine function corresponding to primary or secondary or tertiary amine or quarternary ammonium, or may each be oxygen atoms;each of substituents R.sub.11 or R.sub.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: May 15, 1990
    Inventors: Isabelle Kanmacher, Jean-Francois Stambach, Louis Jung, Christa Schott, Jean-Claude Stoclet, Christiane Heitz
  • Patent number: 4878938
    Abstract: This invention relates to novel herbicidally active sulfonylurea compounds substituted in the positions ortho to the sulfonylurea bridge, agriculturally suitable compositions thereof and methods of their use as preemergent or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: November 7, 1989
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: Mary A. Hanagan
  • Patent number: 4720496
    Abstract: Compounds of the formula ##STR1## wherein (a)R.sub.1 is hydrogen, lower alkyl, lower alkoxy or 8-halo;R.sub.2 is hydrogen, lower alkyl, lower alkoxy or a fused benzene ring; andR.sub.3 and R.sub.4, together with each other, are --N.dbd.N--NH--; or(b)R.sub.1 and R.sub.2, together with each other, are --N.dbd.N--NH--;R.sub.3 is hydrogen, lower alkyl, lower alkoxy, 2-halo, 3-halo or 4-halo; andR.sub.4 is hydrogen, lower alkyl, lower alkoxy or a fused benzene ring;and non-toxic, pharmacologically acceptable salts thereof formed with an inorganic or organic base. The compounds as well as their salts are useful as antiallergics.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: January 19, 1988
    Assignee: Boehringer Ingelheim KG
    Inventors: Kurt Schromm, Anton Mentrup, Ernst-Otto Renth, Armin Fugner
  • Patent number: 4699982
    Abstract: A perinone compound represented by the formula ##STR1## wherein R represents arylene; R and R', which may be the same or different, each represents alkoxyalkyl, hydroxyalkyl, N,N-dialkylaminoalkyl, cycloalkyl or aralkyl; and X represents oxygen or sulfur. The perinone compound fluoresces a yellowish green to orange color and is useful as a fluorescent dye or dyestuff.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: October 13, 1987
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Toshio Niwa, Kiyoshi Himeno, Junji Yoshihara
  • Patent number: 4698426
    Abstract: Cyclic amidines which are modified by the incorporation of additional polar groups, may be used as catalysts for hardening heat-curable resin compositions comprising polyepoxides and optionally carboxyl group-containing polymers. Such amidine catalysts yield a high reactivity, an excellent storage stability and result in elastic coatings which show a high gloss and a good resistance to solvents.
    Type: Grant
    Filed: February 7, 1985
    Date of Patent: October 6, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf-Volker Meyer, Hans-Joachim Kreuder, Erwin Hohl
  • Patent number: 4695633
    Abstract: Chromogenic 4,4-diaryl-dihydroquinazolones of the formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 independently of one another represent hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,and whereinat least one of the radicals X.sup.1, X.sup.2 or X.sup.3 represents NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,R.sup.1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring C,R.sup.2 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl, hetaralkyl or hetaryl,Y.sup.1, Y.sup.2 and Y.sup.3 independently of one another denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl or the remaining members of a 5-membered or 6-membered ring which reaches to one of the benzene-C atoms in the o-position and optionally contains further hetero-atoms, orY.sup.1 +Y.sup.
    Type: Grant
    Filed: May 17, 1985
    Date of Patent: September 22, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Alfred Brack
  • Patent number: 4666526
    Abstract: Azine pigments having the probable structure ##STR1## wherein the rings designated by T, R', X and X' can be substituted or expanded to naphthalene systems. The pigments can be prepared by reacting compounds having the probable structures ##STR2## in the presence of hydrazine. The compounds having the probable structures (IV) and (IVa) are formed by reacting isatoic anhydrides or anthranilic acid esters or anthranilic acid amides with at least one mol of an aminoiminoisoindolenine.
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: May 19, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Meinhard Rolf, Rutger Neeff
  • Patent number: 4617388
    Abstract: Certain sulfonylurea compounds with oxysulfonyl-, thiosulfonyl- or aminosulfonyl-containing groups are useful as pre- and/or post-emergence herbicides.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: October 14, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James J. Reap
  • Patent number: 4565815
    Abstract: A compound having anti-ulcer activity and having the formula ##STR1## wherein D is H, SH, NH.sub.2, OH, R.sup.4 S where R.sup.4 is a lower alkyl group; E is OH or NH.sub.2 ; J is H or aryl; X is CH or N; Y is CH, N, or CT, wherein T is a halogen; Z is CH or N; A is ##STR2## and replaces a hydrogen of D, X, or E; R.sup.1 is H or CH.sub.3 ; L is CH.sub.2 S; Q is O or CH.sub.2 S; n is 0 or 1; 2 m 4; each R.sup.2 and R.sup.3, independently, is H, lower alkyl, cycloalkyl, or arylalkyl; or R.sup.2 and R.sup.3, together with the nitrogen atom to which they are attached, form a 4, 5, or 6 membered heterocyclic ring containing 0, 1, or 2 oxygen atoms and 1, 2, or 3 nitrogen atoms and being unsubstituted or lower alkyl substituted; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: January 21, 1986
    Assignee: Biomeasure, Inc.
    Inventors: Sun H. Kim, Jacques-Pierre Moreau
  • Patent number: 4525588
    Abstract: The invention relates to chromogenic naphtholactams of the general formula ##STR1## wherein Q is the radical of a couplable compound,X is oxygen or ##STR2## wherein R is hydrogen, lower alkyl or aryl, and W is alkylene, cycloalkylene or a 6-membered isocyclic or heterocyclic aromatic radical which is unsubstituted or substituted or which may contain a fused benzene ring; and each of the ringsA and B independently of the other are unsubstituted or substituted.These compounds are particularly suitable for use as color formers in pressure-sensitive or heat-sensitive recording materials and, depending on the meaning of X and Q, give orange, red, violet and blue colorations.
    Type: Grant
    Filed: June 7, 1983
    Date of Patent: June 25, 1985
    Assignee: Ciba Geigy Corporation
    Inventor: Rudolf Zink
  • Patent number: 4472399
    Abstract: New Rutecarpine analogs are disclosed having Rutecarpine-like activity, especially diuretic activity. Also a novel process for the preparation of the Rutecarpine analogs is disclosed.
    Type: Grant
    Filed: October 2, 1981
    Date of Patent: September 18, 1984
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Jozsef Kokosi, Istvan Hermecz, Zoltan Meszaros, Sandor Virag, Lelle Vasvari, nee Debreczy, Gyorgy Szasz, Agnes Horvath, Tibor Breining, Tamas Szuts, Gyula Sebestyen
  • Patent number: 4429126
    Abstract: Quinazoline derivatives of the formulae: ##STR1## wherein A.sup.1 is ##STR2## A.sup.2 is ##STR3## R.sup.1 is hydrogen, carboxy or esterified carboxy, R.sub.a.sup.1 and R.sub.b.sup.1 are esterified carboxy,R.sup.2 and R.sup.3 are hydrogen, alkyl, halogen, nitro, amino, alkoxy, aryloxy, alkylthio, alkylpiperazinyl, acylamino or dialkylamino which may be substituted with hydroxy,R.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy, dialkylamino or 2,2-dialkoxycarbonylvinylaminoR.sub.a.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy or dialkylamino,R.sup.5 is alkyl or alkenyl, andR.sup.6 is carboxy or esterified carboxy.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: January 31, 1984
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Ikuo Ueda, Masayuki Kato, Masanobu Nagano
  • Patent number: 4417014
    Abstract: The present invention provides dyestuffs of formula I, ##STR1## in which R.sub.1 is a mono- or bicyclic aromatic radical, and the ring A may bear up to 4 substituents conventional for dyestuffs, in which the dyestuff is free from sulphonic and carboxylic acid groups, and mixtures of such dyestuffs and their use as disperse dyestuffs.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: November 22, 1983
    Assignee: Sandoz Ltd.
    Inventor: Paul Buecheler
  • Patent number: 4409224
    Abstract: Pyrimido[1,6-a]indole derivatives characterized by having a substituted ethyl group at position 5 and optionally being further substituted at various positions on the pyrimido[1,6-a]indole nucleus are disclosed. The foregoing compounds are useful as antihypertensive agents in a mammal. Methods for their preparation also are disclosed.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: October 11, 1983
    Assignee: American Home Products Corp.
    Inventor: Ivo L. Jirkovsky
  • Patent number: 4404302
    Abstract: An acylated, hindered hexahydropyrimidine of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be the same or different independently of each other and are alkyl having 1 to 6 carbon atoms, when unsubstituted, or alkyl or aryl substituted;R.sub.5 and R.sub.6 may be the same or different and are hydrogen, or alkyl;R.sub.7 is selected from the group consisting of: alkyl having 1 to 20 carbon atoms, substituted alkyl where the alkyl without substitution has 1 to 20 carbon atoms and where substituents may be up to five lower alkyl groups, arylalkyl, cycloalkyl having 3 to 12 carbon atoms, aryl aryl substituted with 1 to 3 substituents seleted from the group consisting of: lower alkyl, lower alkoxy, and hydroxyl; ##STR2## wherein R.sub.9 is unsubstituted or substituted with alkyl,R.sub.10 is hydroxyl, lower alkoxy, phenoxy and the group ##STR3## and R.sub.8 is hydrogen, alkyl, substituted alkyl, arylalkyl, hydroxyl, oxyl and ##STR4## wherein R.sub.11 is unsubstituted or substituted alkyl.
    Type: Grant
    Filed: May 27, 1982
    Date of Patent: September 13, 1983
    Assignee: Ferro Corporation
    Inventors: Goutam Gupta, Chester E. Ramey
  • Patent number: 4395549
    Abstract: Intermediates useful in the preparation of Rutecarpine and Rutecarpine derivatives are disclosed as well as a process for the preparation of said intermediates having the following formula: ##STR1## wherein R, R.sup.1 and R.sup.2 are the same or different and stand for hydrogen, halogen, nitro, carboxy, nitrile, alkoxy containing 1 to 4 carbon atoms, alkoxycarbonyl containing 1 to 4 carbon atoms in the alkoxy group, alkyl containing 1 to 4 carbon atoms, amino or hydroxy or R and R.sup.1 together stand for methylenedioxy, R.sup.2 stands for hydrogen, R.sup.3 represents hydrogen or alkyl containing 1 to 4 carbon atoms, R.sup.
    Type: Grant
    Filed: October 2, 1981
    Date of Patent: July 26, 1983
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Istvan Hermecz, Jozsef Kokosi, Agnes Horvath, Zoltan Meszaros, Gyorgy Szasz, Tibor Breining, Lelle Vasvari nee Debreczy
  • Patent number: 4377580
    Abstract: Quinazoline derivatives of the formulae: ##STR1## wherein A.sup.1 is ##STR2## A.sup.2 is ##STR3## R.sup.1 is hydrogen, carboxy or esterified carboxy, R.sub.a.sup.1 and R.sub.b.sup.1 are esterified carboxy,R.sup.2 and R.sup.3 are hydrogen, alkyl, halogen, nitro, amino, alkoxy, aryloxy, alkylthio, alkylpiperazinyl, acylamino or dialkylamino which may be substituted with hydroxy,R.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy, dialkylamino or 2,2-dialkoxycarbonylvinylaminoR.sub.a.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy or dialkylamino,R.sup.5 is alkyl or alkenyl, andR.sup.6 is carboxy or esterified carboxy.
    Type: Grant
    Filed: November 25, 1980
    Date of Patent: March 22, 1983
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Ikuo Ueda, Masayuki Kato, Masanobu Nagano
  • Patent number: 4377518
    Abstract: Dyestuffs of the formulaD--N.dbd.N--A Iin whichD represents the radical of a diazo component andA represents the radical of a coupling component of the formulae ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 designate hydrogen or non-ionic radicals,R designates hydrogen or an optionally substituted alkyl, cycloalkyl, aryl, aralkyl or heterocyclic radical,X designates OH or ##STR2## T designates the remaining members of a fused-on ring and Y and Z designate hydrogen, optionally substituted alkyl or optionally substituted aryl,processes for their preparation and process for pigmenting organic material using the dyestuffs of the formula I.
    Type: Grant
    Filed: September 3, 1980
    Date of Patent: March 22, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter vor der Bruck, Hans-Joachim Kabbe
  • Patent number: 4307234
    Abstract: Pyrimido[1,6-a]indole derivatives characterized by having a substituted ethyl group at position 5 and optionally being further substituted at various positions on the pyrimido[1,6-a]indole nucleus are disclosed. The foregoing compounds are useful as antihypertensive agents in a mammal. Methods for their preparation also are disclosed.
    Type: Grant
    Filed: September 11, 1978
    Date of Patent: December 22, 1981
    Assignee: American Home Products Corp.
    Inventor: Ivo L. Jirkovsky
  • Patent number: 4268671
    Abstract: Fluorescent dyes having the formula ##STR1## wherein R.sup.1 represents hydrogen, (C.sub.1 -C.sub.8) alkyl, trifluoromethyl, (C.sub.1 -C.sub.4) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxycarbonyl (C.sub.1 -C.sub.4) alkyl, phenyl, or aralkyl group; R.sup.2 represents hydrogen, cyano, acyl, (C.sub.1 -C.sub.8) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxycarbonyl, (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxy (C.sub.1 -C.sub.4) alkoxycarbonyl, di(C.sub.1 -C.sub.4) alkylamino (C.sub.1 -C.sub.4) alkoxycarbonyl, cyclohexyloxycarbonyl, aryloxycarbonyl, benzyloxycarbonyl, tetrahydrofurfuryloxycarbonyl, carbamoyl, N-(C.sub.1 -C.sub.4) alkylcarbamoyl, N,N-di(C.sub.1 -C.sub.4)alkylcarbamoyl, N-phenylcarbamoyl, or morpholinocarbonyl group; and R.sup.3 and R.sup.4 can be the same or different and each represents hydrogen, (C.sub.1 -C.sub.8) alkyl, (C.sub.1 -C.sub.4) alkoxy(C.sub.1 -C.sub.4) alkyl, aralkyl or phenyl group which can be substituted by halogen atoms, (C.sub.1 -C.sub.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: May 19, 1981
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Seiichi Imahori, Yukichi Murata, Syuichi Maeda, Sumio Suzuki
  • Patent number: 4241072
    Abstract: Organic chemical compounds based upon the urea molecule are disclosed which have potent gastric secretion inhibitory properties. The urea is substituted with a heterocyclic ring which may be substituted with one or more loweralkyl groups. The urea is also substituted with loweralkyl and a lower-alkylamino loweralkyl group. The compounds have profound effects on the inhibition of gastric secretions in the gastro-intestinal tract, and compositions for such uses are also disclosed.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: December 23, 1980
    Assignee: Merck & Co., Inc.
    Inventor: William A. Bolhofer
  • Patent number: 4225489
    Abstract: Heterocyclic compounds of the formula ##STR1## wherein R.sub.1 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl, or the two R.sub.1 s conjointly denote CO,R.sub.2 denotes a substituent andn denotes 0, 1, 2, 3 or 4 are suitable as coupling components for azo dyestuffs and especially for azo pigments of the formula ##STR2## wherein D denotes the radical of an aromatic or hetero-aromatic amine which is free from sulphonic acid groups andm denotes an integer, preferably 1 or 2, and R.sub.1, R.sub.2 and n have the abovementioned meaning.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: September 30, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Meinhard Rolf, Rutger Neeff, Walter Muller
  • Patent number: 4132851
    Abstract: 6,7,14,15-Tetrahydropyrido[2,1-b]pyrido[1',2':1,2]pyrimido[4,5-g]quinazolin e-7,15-dione is oxidized with a quinone as an oxidizing agent to produce 7,15-dihydropyrido[2,1-b]pyrido[1',2':1,2]pyrimido[4,5-g]quinazoline-7,15- dione.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: January 2, 1979
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Yasukazu Yokoyama, Eiji Iwamoto
  • Patent number: 4108853
    Abstract: The subject compound is prepared by an activated manganese dioxide oxidation of N,15-didehydro-15-deoxo-3,15-epi(methano(imino)rifamycin SV. The new compound has antimicrobial utility.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: August 22, 1978
    Assignee: The Dow Chemical Company
    Inventors: James R. McCarthy, Jimmie L. Moore
  • Patent number: T104601
    Abstract: Alkanediyl bridged benzimidazolo monomethine cyanine dyes are disclosed wherein at least one benzimidazolo nucleus is provided with an electron-withdrawing group. A disclosed preparation of the dyes includes producing an electron-withdrawing group substituted bis(2-nitrophenyl)-2-R.sup.1 -propanediamide, where R.sup.1 is hydrogen or alkyl; converting the nitro groups to primary amine substituents; removing the elements of water to effect ring closure; and thereafter providing the --CR.sup.1 -- linked benzimidazole nuclei so formed with an N,N.sup.1 -alkanediyl bridging group and quaternizing substituents. Dye synthesis is completed by reducing the --CR.sup.1 -- linking group to the corresponding methine. The dyes are useful as sensitizers in silver halide emulsions and photographic elements.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: September 4, 1984
    Inventor: David P. Gilbert