Patents Represented by Attorney Frank P. Hoffman
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Patent number: 4362732Abstract: There is presented imidazodiazepines of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is a pyridine ring, X is an oxygen or sulphur atom, R.sup.1 is hydrogen, halogen, lower alkyl, lower alkoxymethyl or the group--COOR.sup.3 and R.sup.2 and R.sup.3 each are lower alkyl, and their pharmaceutically acceptable acid addition salts. The compounds are useful in the antagonization of the central-depressant, muscle relaxant, ataxic, blood pressure-lowering and respiratory-depressant properties of 1,4-benzodiazepines which have tranquillizing activity, for example as antidotes in the case of intoxications with 1,4-benzodiazepines which have tranquillizing activity.Also presented are methods to produce such imidazodiazepines.Type: GrantFiled: February 18, 1982Date of Patent: December 7, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4359420Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is >C.dbd.O or >C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: November 16, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc
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Patent number: 4354973Abstract: The present invention relates to compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, C.sub.3 to C.sub.7 alkenyl or alkynyl, hydroxymethyl, the group ##STR2## wherein R.sub.11 is hydrogen, hydroxy, alkoxy, amino and mono- or di-lower alkylamino; and R.sub.3 is selected from the group consisting of hydrogen, lower akyl, C.sub.3 to C.sub.7 alkenyl or alkynyl, hydroxymethyl, the group ##STR3## wherein R.sub.11 is hydrogen, hydroxy, trihalomethyl, alkoxy, amino and mono- or di-lower alkylamino; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, C.sub.3 to C.sub.7 alkenyl or alkynyl, the group ##STR4## lower alkyl, C.sub.2 to C.sub.7 carboxylic acids and the esters and amides thereof, hydroxy C.sub.2 to C.sub.7 alkyl and amino or mono- or di-lower alkyl amino C.sub.2 to C.sub.7 alkyl; R.sub.4 is selected from the group consisting of hydrogen, acyloxy, straight chain lower alkoxy and hydroxy; R.sub.5 is halogen or hydrogen; R.sub.Type: GrantFiled: July 23, 1981Date of Patent: October 19, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Rodney I. Fryer, Eugene J. Trybulski, Armin Walser
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Patent number: 4353827Abstract: There is provided compounds which exhibit pronounced anticonvulsive and anxiolytic activities of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is the group ##STR2## B is dimethylene, trimethylene or propenylene, R.sup.1 is hydrogen, halogen, trifluoromethyl, amino, nitro, cyano or lower alkyl and R.sup.2 is hydrogen, halogen, trifluoromethyl, amino, nitro, cyano, lower alkyl, lower alkoxy, lower alkylthio, lower alkylsulphinyl or lower alkylsulphonyl, and the carbon atom denoted as .gamma. has the (S)--or (R,S)--configuration,and the pharmaceutically acceptable acid addition salts thereof.Type: GrantFiled: February 18, 1982Date of Patent: October 12, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4352817Abstract: There is provided imidazodiazepines of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is the group ##STR2## X is an oxygen or sulphur atom and R.sup.1 is hydrogen or lower alkyl, and either R.sup.2 is hydrogen, trifluoromethyl, halogen, cyano or nitro and R.sup.3 is hydrogen or R.sup.2 is hydrogen and R.sup.3 is trifluoromethyl, halogen, cyano, nitro or lower alkyl,and their pharmaceutically acceptable acid addition salts. The compounds are useful in the antagonization of the central-depressant, muscle relaxant, ataxic, blood pressure-lowering and respiratory-depressant properties of 1,4-benzodiazepines which have tranquillizing activity, for example as antidotes in the case of intoxications with 1,4-benzodiazepines which have tranquillizing activity.Also presented are methods to produce the above imidazodiazepines.Type: GrantFiled: February 18, 1982Date of Patent: October 5, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4352815Abstract: There is provided imidazodiazepines of the formula ##STR1## wherein R.sup.1 is methyl, ethyl or isopropyl, one of R.sup.4 and R.sup.5 is hydrogen and the other is nitro or cyano, and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are dimethylene, trimethylene or propenylene and the carbon atom denoted as .gamma. has the (S)-- or (R,S)-- configuration, and X is an oxygen or sulphur atom,and their pharmaceutically acceptable acid addition salts. The compounds are useful in the antagonization of the central-depressant muscle relaxant, ataxic, blood pressure-lowering and respiratory-depressant properties of 1,4-benzodiazepines which have tranquillizing activity. They can also be used for suppressing the activities on the central nervous system of 1,4-benzodiazepines used in other fields of indication, for example of schistosomicidally-active 1,4-benzodiazepines. Also provided are methods for making the compounds.Type: GrantFiled: February 4, 1982Date of Patent: October 5, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4352818Abstract: There is presented imidazodiazepines of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is the group ##STR2## R.sup.1 is hydrogen, lower alkyl, lower alkoxymethyl, halogen or nitro, R.sup.4 is hydrogen, trifluoromethyl or halogen, R.sup.5 is hydrogen, fluoromethyl, halogen or lower alkyl and X is an oxygen or sulphur atom, and either R.sup.2 is hydrogen and R.sup.3 is lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma. has the (S)-- or (R,S)-- configuration,and their pharmaceutically acceptable acid addition salts. The compounds antagonize the central-depressant, muscle relaxant, ataxic, blood pressure-lowering and respiratory-depressant properties of 1,4-benzodiazepines which have tranquillizing activity. Thus they can be used, for example, as antidotes in the case of intoxications with 1,4-benzodiazepines which have tranquillizing activity.Type: GrantFiled: February 18, 1982Date of Patent: October 5, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4352816Abstract: There is presented imidazodiazepines of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is the group ##STR2## R.sup.1 is hydrogen, lower alkyl, lower alkoxymethyl, halogen, nitro or a group of the formula --COOR.sup.4,R.sup.2 is hydrogen, trifluoromethyl or halogen, R.sup.3 is hydrogen, trifluoromethyl, halogen or lower alkyl, R.sup.4 is methyl, ethyl or isopropyl and X is an oxygen or sulphur atom and the carbon atom denoted as .gamma. has the (S)- or (R,S)-configuration, and their pharmaceutically acceptable acid addition salts.The compounds are useful in the antagonization of the central-depressant, muscle relaxant, ataxic, blood pressure-lowering and respiratory-depressant properties of 1,4-benzodiazepines which have tranquillizing activity. They can also be used for suppressing the activities on the central nervous system of 1,4-benzodiazepines used in other fields of therapy, for example, of schistosomicidally-active 1,4-benzodiazepines.Type: GrantFiled: February 16, 1982Date of Patent: October 5, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Walter Hunkeler, Emilio Kyburz
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Patent number: 4352934Abstract: There is presented an antibiotic compound of the formula ##STR1## and the pharmaceutically acceptable salts and esters thereof. The compound exhibits activity as an anti-swine dysentery agent and an antimicrobial agent.Also presented is a fermentation process to produce the compound of formula I.Type: GrantFiled: October 14, 1981Date of Patent: October 5, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Chao-Min Liu, Homer D. Tresner, John Westley
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Patent number: 4349672Abstract: There are presented cephalosporin derivatives of the formula ##STR1## wherein X is the group ##STR2## R is hydrogen or a readily hydrolyzable ester or ether group and n stands for 1 or 2,as well as salts of these compounds and hydrates of these compounds and salts.Type: GrantFiled: November 17, 1980Date of Patent: September 14, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Marc Montavon, Roland Reiner
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Patent number: 4349477Abstract: This invention is directed toward pharmacologically active compound of the formula ##STR1## wherein A is ##STR2## R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, phenyl, alkoxy lower alkyl, halo lower alkyl, amino lower alkyl, substituted amino lower alkyl, substituted phenyl, pyridyl, aralkyl and the groups ##STR3## wherein R is hydrogen or lower alkyl and ROOC where R is lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, alkoxy lower alkyl, halo lower alkyl, amino or substituted amino lower alkyl, amino, cyano, cyano lower alkyl, substituted amino, chloro, bromo and iodo, the group --COOR where R is hydrogen or lower alkyl, the group ##STR4## where R is hydrogen or lower alkyl, or derivatives thereof, e.g., the group R--C.dbd.Type: GrantFiled: March 12, 1981Date of Patent: September 14, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Armin Walser, Rodney I. Fryer
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Patent number: 4349476Abstract: This invention is directed toward pharmacologically active compound of the formula ##STR1## wherein A is ##STR2## R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, phenyl, alkoxy lower alkyl, halo lower alkyl, amino lower alkyl, substituted amino lower alkyl, substituted phenyl, pyridyl, aralkyl and the groups ##STR3## wherein R is hydrogen or lower alkyl and ROOC where R is lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, alkoxy lower alkyl, halo lower alkyl, amino or substituted amino lower alkyl, amino, cyano, cyano lower alkyl, substituted amino, chloro, bromo and iodo, the group --COOR where R is hydrogen or lower alkyl, the group ##STR4## where R is hydrogen or lower alkyl, or derivatives thereof, e.g., the group R--C.dbd.Type: GrantFiled: March 12, 1981Date of Patent: September 14, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Armin Walser, Rodney I. Fryer
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Patent number: 4349475Abstract: This invention is directed toward pharmacologically active compound of the formula ##STR1## wherein A is ##STR2## R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, phenyl, alkoxy lower alkyl, halo lower alkyl, amino lower alkyl, substituted amino lower alkyl, substituted phenyl, pyridyl, aralkyl and the groups ##STR3## wherein R is hydrogen or lower alkyl and ROOC where R is lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, alkoxy lower alkyl, halo lower alkyl, amino or substituted amino lower alkyl, amino, cyano, cyano lower alkyl, substituted amino, chloro, bromo and iodo, the group --COOR where R is hydrogen or lower alkyl, the group ##STR4## where R is hydrogen or lower alkyl, or derivatives thereof, e.g., the group R--C.dbd.Type: GrantFiled: March 12, 1981Date of Patent: September 14, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Armin Walser, Rodney I. Fryer
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Patent number: 4347364Abstract: This invention is directed toward pharmacologically active compound of the formula ##STR1## R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, phenyl, alkoxy lower alkyl, halo lower alkyl, amino lower alkyl, substituted amino lower alkyl, substituted phenyl, pyridyl, aralkyl and the groups ##STR2## wherein R is hydrogen or lower alkyl and ROOC where R is lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, alkoxy lower alkyl, halo lower alkyl, amino or substituted amino lower alkyl, amino, cyano, cyano lower alkyl, substituted amino, chloro, bromo and iodo, the group--COOR where R is hydrogen or lower alkyl, the group ##STR3## where R is hydrogen or lower alkyl, or derivatives thereof, e.g., the group R--C.dbd.Type: GrantFiled: March 12, 1981Date of Patent: August 31, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Armin Walser, Rodney I. Fryer
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Patent number: 4347365Abstract: This invention is directed toward pharmacologically active compound of the formula ##STR1## R.sub.1 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, phenyl, alkoxy lower alkyl, halo lower alkyl, amino lower alkyl, substituted amino lower alkyl, substituted phenyl, pyridyl, aralkyl and the groups ##STR2## wherein R is hydrogen or lower alkyl and ROOC where R is lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, acyloxy lower alkyl, alkoxy lower alkyl, halo lower alkyl, amino or substituted amino lower alkyl, amino, cyano, cyano lower alkyl, substituted amino, chloro, bromo and iodo, the group --COOR where R is hydrogen or lower alkyl, the group ##STR3## where R is hydrogen or lower alkyl, or derivatives thereof, e.g., the group R--C.dbd.Type: GrantFiled: March 12, 1981Date of Patent: August 31, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Armin Walser, Rodney I. Fryer
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Patent number: 4346032Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is >C.dbd.O or >C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: August 24, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc
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Patent number: 4346034Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is <C.dbd.O or <C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: August 24, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc
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Patent number: 4346033Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is >C.dbd.O or >C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: August 24, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc
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Patent number: 4346035Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is >C.dbd.O or >C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: August 24, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc
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Patent number: 4346031Abstract: Imidazodiazepine derivatives of the formula ##STR1## wherein A together with the two carbon atoms denoted as .alpha. and .beta. is selected from the group consisting of ##STR2## the dotted line represents the double bond present in groups (a) and (b), D is >C.dbd.O or >C.dbd.S, R.sup.1 is selected from the group consisting of cyano, lower alkanoyl and a group of the formula --COOR.sup.4, R.sup.4 is selected from the group consisting of methyl, ethyl, isopropyl and 2-hydroxyethyl, R.sup.5 is selected from the group consisting of hydrogen, trifluoromethyl and halogen and R.sup.6 is selected from the group consisting of hydrogen, trifluoromethyl, halogen and lower alkyl and either R.sup.2 is hydrogen and R.sup.3 is hydrogen or lower alkyl or R.sup.2 and R.sup.3 together are trimethylene or propenylene and the carbon atom denoted as .gamma.Type: GrantFiled: November 16, 1981Date of Patent: August 24, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Max Gerecke, Willy Haefely, Walter Hunkeler, Emilio Kyburz, Hanns Mohler, Lorenzo Pieri, Petar Polc