Patents by Inventor Henry Laurent

Henry Laurent has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4416985
    Abstract: A process for preparing a 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 steroid of the formula ##STR1## wherein Q is ##STR2## and R.sub.1 is hydrogen, trimethylacetyl, tert-butyldimethylsilyl, dimethyl-2-(3-methylbutyl)silyl or tribenzylsilyl,comprises fermenting a 3.beta.-hydroxy-.DELTA..sup.5 -steroid of the formula ##STR3## wherein Q is as defined above, andR.sub.2 is hydrogen or alkanoyl of 2-6 carbon atoms,with a culture of Botryodiplodia malorum to obtain the corresponding 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -steroid; and, optionally, reacting the resultant product with trimethylacetic anhydride, tert-butyldimethylsilyl chloride, dimethyl-2-(3-methylbutyl)silyl chloride, or tribenzylsilyl chloride.
    Type: Grant
    Filed: November 3, 1981
    Date of Patent: November 22, 1983
    Assignee: Schering, Aktiengesellschaft
    Inventors: Karl Petzoldt, Rudolf Wiechert, Henry Laurent, Klaus Nickisch, Dieter Bittler
  • Patent number: 4404141
    Abstract: .DELTA..sup.16 - and .DELTA..sup.17 -21-chloro-20-keto steroids of the formula ##STR1## wherein n is 1 or 2,C.sub.1 C.sub.2 and C.sub.9 C.sub.11 represent a CC-single or CC-double bond,R.sub.1 is H or OH,R.sub.2 is H or CH.sub.3,R.sub.3 is H or F wherein, when R.sub.3 =F, C.sub.9 C.sub.11 is a CC-single bond, andR.sub.4 is H, CH.sub.3, or F,are valuable intermediates for preparation of highly effective, known steroids.A process for preparing these compounds involves heating the corresponding 11.beta.- and/or 17.alpha.- or 17a.alpha.-nitrooxy-21-mesyloxy-20-keto steroids with lithium chloride in a dipolar aprotic solvent at temperatures above room temperature.
    Type: Grant
    Filed: March 9, 1982
    Date of Patent: September 13, 1983
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Annen, Henry Laurent, Helmut Hofmeister
  • Patent number: 4390530
    Abstract: 3-Deoxy-.DELTA..sup.15 -steroids of the formula ##STR1## wherein R.sup.1 is hydrogen or an acyl group of a C.sub.1-15 hydrocarbon carboxylic acid, andR.sup.2 is ethynyl, chloroethynyl or propynyl are valuable progestationally effective compounds having low attendant androgenic side effects.
    Type: Grant
    Filed: February 11, 1981
    Date of Patent: June 28, 1983
    Assignee: Schering, A.G.
    Inventors: Helmut Hofmeister, Rudolf Wiechert, Klaus Annen, Henry Laurent, Sybille Beier
  • Patent number: 4371529
    Abstract: 11-Methylene-.DELTA..sup.15 -steroids of Formula I ##STR1## wherein R.sup.1 is hydrogen or acyl andR.sup.2 is ethynyl, chloroethynyl or propynyl,are distinguished by a strong progestational activity and exhibit only a very low androgenic side effect.
    Type: Grant
    Filed: November 6, 1981
    Date of Patent: February 1, 1983
    Assignee: Schering, Aktiengesellschaft
    Inventors: Helmut Hofmeister, Karl Petzoldt, Klaus Annen, Henry Laurent, Rudolf Wiechert, Hermann Steinbeck
  • Patent number: 4353985
    Abstract: A process for preparing an 11.beta.-hydroxy steroid of the formula ##STR1## wherein represents a single bond or a double bond;X is hydrogen, fluorine, chlorine or methyl; andV is methylene, ethylene, ethylidene or vinylidene;comprises fermenting an 11-deoxy steroid of the formula ##STR2## wherein , X and V are as defined above,R.sub.1 is hydrogen or C.sub.1-6 -alkyl; andR.sub.2 is C.sub.1-6 -alkyl;with a fungal culture of a genus Curvularia.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: October 12, 1982
    Assignee: Schering Aktiengesellschaft
    Inventors: Karl Petzoldt, Klaus Annen, Henry Laurent, Rudolf Wiechert
  • Patent number: 4330541
    Abstract: Novel corticoid 17-thioacetals of the formula: ##STR1## wherein X is hydrogen, fluorine or methyl,R.sub.1 is hydrogen or C.sub.1 -C.sub.6 alkyl, andR.sub.2 is hydrogen or the acyl group of a C.sub.1-16 - hydrocarbon carboxylic acid,have valuable medicinal properties, e.g., as antiinflammatories.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: May 18, 1982
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Annen, Henry Laurent, Helmut Hofmeister, Karl Petzoldt, Rudolf Wiechert
  • Patent number: 4322349
    Abstract: A process for preparing a 6-methylene-.DELTA..sup.4 -3-keto steroid of the formula ##STR1## wherein R is hydrogen, alkoxy of up to 6 carbon atoms or acyloxy of up to 6 carbon atoms wherein the acyl group is that of a carboxylic acid, andR' is the CD-ring system of a steroid of the androstane or pregnane series,comprising reacting the corresponding .DELTA..sup.4 -3-keto steroid of the formula ##STR2## with a formaldehyde derivative of the formulaX(CH.sub.2 O).sub.n Ywhereinn is 1, 3 or an integer on the order of 100-1000, andX is C.sub.1-5 alkoxy and Y is C.sub.1-5 alkyl when n is 1,X and Y represent a single bond between the terminal C atom and the terminal O atom when n is 3, andX is hydroxy and Y is hydrogen when n is an integer on the order of 100-1000,in an inert solvent in the presence of a condensation agent which is a strong acida strongly acidic cation exchanger or a phosphoric acid derivative.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: March 30, 1982
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Annen, Henry Laurent, Helmut Hofmeister, Rudolf Wiechert
  • Patent number: 4296109
    Abstract: Corticoid 21-sulfopropionates of the formula ##STR1## wherein St is a steroid nucleus of a corticoid having anti-inflammatory activity,and the salts thereof with physiologically acceptable bases, simultaneously form stable, sterilizable and storable solutions and also are very rapidly cleaved after i.v. administration, yielding the free corticoids as the cleavage product.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: October 20, 1981
    Assignee: Schering, Aktiengesellschaft
    Inventors: Henry Laurent, Peter Esperling, Joachim-Friedrich Kapp, Rudolf Wiechert
  • Patent number: 4289763
    Abstract: Corticoids of the formula ##STR1## wherein X is fluorine, chlorine andR is hydrogen, C.sub.1-6 alkanoyl, benzoyl or --OCO--A--COOHwhereinA is a carbon-to-carbon bond or a C.sub.1-6 hydrocarbon chain,or whenR is --OCO--A--COOH, the physiologically acceptable salts thereof with a base,have high effectiveness, e.g., antiinflammatorily but with attendant low side effects.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: September 15, 1981
    Assignee: Schering Aktiengesellschaft
    Inventors: Henry Laurent, Rudolf Wiechert, Hans Wendt, Joachim-Friedrich Kapp
  • Patent number: 4277468
    Abstract: 11-Methylene steroids of Formula I ##STR1## wherein R is hydrogen or acyl, andX is oxygen or two hydrogen atomshave valuable pharmacological properties.
    Type: Grant
    Filed: March 28, 1980
    Date of Patent: July 7, 1981
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Rudolf Wiechert, Klaus Annen, Henry Laurent, Hermann Steinbeck
  • Patent number: 4243664
    Abstract: Novel corticoids of formula I ##STR1## wherein X is .beta.-hydroxymethylene, .beta.-fluoromethylene or carbonyl; Y is fluorine, chlorine, hydroxy, or acyloxy of 1-10 carbon atoms; and R.sub.1 is acyloxy of 1-10 carbon atoms, possess strong anti-inflammatory activity when administered topically and display only minor systemic side effects.
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: January 6, 1981
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Annen, Henry Laurent, Helmut Hofmeister, Rudolf Wiechert, Hans Wendt, Joachim F. Kapp
  • Patent number: 4207316
    Abstract: Corticoids of the formula ##STR1## wherein represents a single bond or a double bond;X is hydrogen, fluorine, chlorine or methyl;Y is hydrogen and Z is hydrogen, fluorine or chlorine, orY and Z together are a carbon-to-carbon bond;V is .beta.-hydroxymethylene, .beta.-chloromethylene or carbonyl;W is methylene, ethylidene or vinylidene;Q is oxygen or sulfur;R.sub.1 is alkyl of 1-8 carbon atoms, alkyl of 2-8 carbon atoms with an oxygen atom between two of the carbon atoms or benzyl, and R.sub.2 is hydrogen or alkyl of 1-4 carbon atoms, orR.sub.1 and R.sub.2 collectively are trimethylene or tetramethylene; andR.sub.3 is hydrogen, fluorine, chlorine, hydroxy, or hydroxy esterified by a C.sub.1-16 hydrocarbon carboxylic acid have valuable pharmacological properties, e.g., anti-inflammatory activity.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: June 10, 1980
    Assignee: Schering Aktiengesellschaft
    Inventors: Ernst Schottle, Alfred Weber, Mario Kennecke, Helmut Dahl, Joachim-Friedrich Kapp, Hans Wendt, Klaus Annen, Henry Laurent, Rudolf Wiechert
  • Patent number: 4196203
    Abstract: Compounds of the formula ##STR1## wherein X is .beta.-CH.sub.2 OH or CO and R.sub.2 is F, Cl or CH.sub.3, and their physiologically acceptable 21-esters are useful for the treatment of allergic diseases of the respiratory tract and for the treatment of topical and systemic inflammatory conditions.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: April 1, 1980
    Assignee: Schering Aktiengesellschaft
    Inventors: Joachim-Friedrich Kapp, Klaus Kieslich, Henry Laurent, Karl Petzoldt
  • Patent number: 4176126
    Abstract: Novel corticoids of formula I ##STR1## wherein X is .beta.-hydroxymethylene, .beta.-fluoromethylene or carbonyl; Y is fluorine, chlorine, hydroxy, or acyloxy of 1-10 carbon atoms; and R.sub.1 is acyloxy of 1-10 carbon atoms, possess strong anti-inflammatory activity when administered topically and display only minor systemic side effects.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: November 27, 1979
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Annen, Henry Laurent, Helmut Hofmeister, Rudolf Wiechert, Hans Wendt, Joachim-Friedrich Kapp
  • Patent number: 4102908
    Abstract: A process for the preparation of pregnane derivatives of the formula ##STR1## wherein R.sub.1 is methyl or ethyl and R.sub.2 is methyl, ethyl, formyl, or acetyl, comprises reacting a nitrate ester of the formula ##STR2## wherein R.sub.1 is as above, in the presence of a catalytic amount of a mercury salt of a lower carboxylic acid with formic acid or acetic acid in a dipolar aprotic or basic solvent or with methanol or ethanol in an aprotonic, especially water-miscible, solvent in the presence of a mineral acid.
    Type: Grant
    Filed: June 1, 1977
    Date of Patent: July 25, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Klaus Annen, Henry Laurent, Rudolf Wiechert
  • Patent number: 4081537
    Abstract: .DELTA..sup.15 -Steroids of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, trialkylsilyl or acyl; R.sub.2 is ethynyl, chloroethynyl or propinyl; and X is an oxygen atom, ##STR2## or NOR.sub.4 wherein R.sub.3 is a hydrogen atom or acyl and R.sub.4 is a hydrogen atom, acyl, alkyl or tetrahydropyranyl, possess progestational and ovulation and nidation inhibiting activities.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: March 28, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Rudolf Wiechert, Klaus Annen, Henry Laurent, Hermann Steinbeck
  • Patent number: 4073900
    Abstract: 11.beta.-Fluoropregnenes of the formula ##STR1## wherein 6 7 IS A SINGLE OR DOUBLE BOND,R.sub.1 and R.sub.2 each are H or collectively CH.sub.2 or a single bond;R.sub.3 is H or, when 6 7 is a double bond, H, F or Cl,X or O or HOR.sub.4 andR.sub.4 is H or acyl, strong progestational activity and only weak antiandrogenic activity.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: February 14, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Henry Laurent, Rudolf Wiechert, Klaus Annen, Hermann Steinbeck
  • Patent number: 4049804
    Abstract: Pregnanoic acid derivatives of general formula ##STR1## wherein is a single bond or a double bond; X is hydrogen, fluorine or methyl; Y is hydrogen, fluorine or chlorine; Z is .beta.-hydroxymethylene, .beta.-acyloxymethylene, .beta.-fluoromethylene, .beta.-chloromethylene, carbonyl or methylene; R.sub.1 is hydrogen, methyl in the .alpha.- or .beta.-position or methylene and R.sub.2 is hydrogen, hydroxy or acyloxy, or R.sub.1 and R.sub.2 collectively are alkylidendioxy and U.sub.1 is halogen, halogenated alkyl of 1-5 carbon atoms or halogenated phenyl, are topically effective anti-inflammatory agents.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: September 20, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Henry Laurent, Klaus Annen, Rudolf Wiechert, Helmut Hofmeister
  • Patent number: 4016269
    Abstract: Novel estrogenic 17.alpha.-hydroxy-1,3,5(10),15-estratetraenes of the formula ##STR1## wherein R.sub.1 is H, lower alkyl or lower acyl, R.sub.2 is lower alkyl and R.sub.3 is H, lower alkyl, lower acyl or tetrahydropyranyloxy, are produced by (a) reacting a 16.alpha.,17.alpha.-epoxy-estratriene with lithium halide or HCl in glacial acetic acid; converting the resulting halohydrin into a 16-halo-17-tetrahydropyranyl ether; and splitting off hydrogen halide from therefrom; or (b) reacting the 16.alpha.,17.alpha.-epoxy-estratriene with diphenylselenide and alkali metal borohydride; oxidizing the thus-produced 17.alpha.-hydroxy-16.beta.-phenylselenide to the corresponding phenylselenide oxide; and forming the .DELTA..sup.15 double bond by heating with removal of phenyl--Se--OH.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: April 5, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Hofmeister, Klaus Annen, Rudolf Wiechert, Henry Laurent
  • Patent number: 4011314
    Abstract: 7-Hydroxyestradiols of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, cycloalkyl, an oxygenated saturated heterocyclic group or hydrocarbylsulfonyl; R.sub.2 and R.sub.3 each are hydrogen, acyl, oxygenated saturated heterocyclic group or R.sub.2 is hydrocarbylsulfonyl and R.sub.4 is alkyl, alkenyl, chlorinated alkenyl, alkynyl or chlorinated alkynyl, are useful for treating estrogen deficiency symptoms.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: March 8, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Karl Petzoldt, Hans-Jorg Vidic, Klaus Prezewowsky, Yukishige Nishino, Rudolf Wiechert, Henry Laurent