Patents Represented by Attorney William G. Isgro
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Patent number: 5374772Abstract: The invention relates to compounds of the formula ##STR1## R is hydrogen, lower alkyl, --(CH.sub.2).sub.2 N(R.sub.3).sub.2 or --CH.sub.2 OOCR.sub.3 wherein R.sub.3 is lower alkyl;R.sub.1 is CH.sub.3 (CH.sub.2).sub.n --, wherein n is 0-17, or R.sub.4 (CH.sub.2).sub.p --, wherein p is 2-18 and R.sub.4 is 1- or 2-naphthyloxy, 2,3- or 3,4-dihydroxyphenyl, phenyl, phenoxy, or substituted phenyl or phenoxy wherein the substituent is selected from the group consisting of hydroxy, benzyloxy, methylsulfinyl, methylsulfonyl or phenyl;R.sub.2 is R.sub.4 (CH.sub.2).sub.p --, 1-adamantyl--CO-- or diphenylmethyl--CO--, and, when R is hydrogen, pharmaceutically acceptable salts with bases.The compounds of formula I are potent inhibitors of phospholipases A.sub.2 (PLA.sub.2 's) and are therefore useful in the treatment of diseases, such as psoriasis, inflammatory bowel disease, asthma, allergy, arthritis, dermatitis, gout, pulmonary disease, myocardial ischemia, and trauma induced inflammation, such as spinal cord injury.Type: GrantFiled: October 22, 1993Date of Patent: December 20, 1994Assignee: Hoffmann-LaRoche Inc.Inventors: Mathew Carson, Ru-Jen L. Han, Ronald LeMahieu, Vincent S. Madison
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Patent number: 5352781Abstract: The process of the invention comprises reacting a C-22-halo-23,24-bisnorsteroid or C-22-halo-23,24-bisnor-9,10-secosteroid with a nickel complex of an electron withdrawing alkene of the formula ##STR1## wherein R.sub.1 is hydrogen, hydroxycarbonyl, lower alkoxycarbonyl, lower alkylcarbonyl or unsubstituted or substituted lower alkyl, and R.sub.2 is hydroxyl, lower alkoxy, or unsubstituted or substituted lower alkyl, to yield a C-25 or C-26 precursor of the formula ##STR2## which is appropriately functionalized for conversion into the corresponding steroid or secosteroid by treatment as hereinafter described.Type: GrantFiled: March 19, 1993Date of Patent: October 4, 1994Assignee: Hoffmann-La Roche Inc.Inventors: George P. Yiannikouros, Percy S. Manchand
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Patent number: 5324747Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, n, m, o, p and q are as hereinafter set forth, and, when R.sub.2 is hydrogen, pharmaceutically acceptable salts thereof with bases, are described. The compounds of formula 1 are potent inhibitors of phospholipases A.sub.2 (PLA.sub.2 's) and are therefore useful in the treatment of inflammatory diseases, such as psosiasis, inflammatory bowel disease, asthma, allergy, arthritis, dermatitis, gout, pulmonary disease, myocardial ischemia/reperfusion, and trauma induced inflammation, such as spinal cord injury.Type: GrantFiled: July 15, 1992Date of Patent: June 28, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Mathew Carson, Ru-Jen L. Han, Ronald A. LeMahieu, Vincent S. Madison
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Patent number: 5318964Abstract: Hydroxamic acid derivatives of the formula ##STR1## and pharmaceutically acceptable salts thereof, which are collagenase inhibitors useful for the control or prevention of degenerative joint diseases, such as, rheumatoid arthritis and osteoarthritis or for the treatment of invasive tumors, atherosclerosis or multiple sclerosis, are described. Said compounds can be prepared either by hydroxamidating a corresponding carboxylic acid or deprotecting a corresponding benzyloxycarbamoyl compound.Type: GrantFiled: May 24, 1993Date of Patent: June 7, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Michael J. Broadhurst, Paul A. Brown, William H. Johnson, Geoffrey Lawton
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Patent number: 5318967Abstract: The invention relates to cis-2,3,3a,4,5,9b-Hexahydro-1H-benzo[b]indole derivatives of the formula ##STR1## wherein R.sup.1 is a residue of the formula --O--CO--NR.sup.4 R.sup.5, R.sup.2 is lower alkyl, lower cycloalkyl or lower alkyl substituted by lower cycloalkyl, aryl, aroyl, aroylamino, amino or by a cyclic amino, amide or imide group, R.sup.3 is hydrogen or lower alkyl, R.sup.4 is lower alkyl and R.sup.5 is hydrogen or lower alkyl,the corresponding trans isomers or cis-trans isomeric mixtures and pharmaceutically acceptable salts thereof. These compounds and salts are especially suitable for the treatment or prophylaxis of cognitive disorders and senile dementia particularly, Alzheimer's disease, and for the improvement of memory capacity.Type: GrantFiled: September 3, 1993Date of Patent: June 7, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Hans Bruderer, Thierry Godel, Rene Imhof, Roland Jakob-Roetne
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Patent number: 5318966Abstract: The invention relates to cis-2,3,3a,4,5,9b-Hexahydro-1H-benzo[b]indole derivatives of the formula ##STR1## wherein R.sup.1 is a residue of the formula --O--CO--NR.sup.4 R.sup.5, R.sup.2 is lower alkyl, lower cycloalkyl or lower alkyl substituted by lower cycloalkyl, aryl, aroyl, aroylamino, amino or by a cyclic amino, amide or imide group, R.sup.3 is hydrogen or lower alkyl, R.sup.4 is lower alkyl and R.sup.5 is hydrogen or lower alkyl,the corresponding trans isomers or cis-trans isomeric mixtures and pharmaceutically acceptable salts thereof. These compounds and salts are especially suitable for the treatment or prophylaxis of cognitive disorders and senile dementia particularly, Alzheimer's disease, and for the improvement of memory capacity.Type: GrantFiled: July 16, 1993Date of Patent: June 7, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Hans Bruderer, Thierry Godel, Rene Imhof, Roland Jakob-Roetne
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Patent number: 5281711Abstract: The compound (S)-1-[(10-chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quino-lizin-1-yl)c arbonyl]-3-ethoxypyrrolidine of the formula ##STR1## which has valuable pharmacological properties, is described. In particular, the compound of formula I has a non-sedating, hypnotic, that is, sleep-promoting, activity and can accordingly be used for the treatment of sleep disorders.Type: GrantFiled: January 6, 1992Date of Patent: January 25, 1994Assignee: Hoffmann-La Roche Inc.Inventors: Richard R. Scherschlicht, Ulrich Widmer
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Patent number: 5273999Abstract: Compounds of the formula ##STR1## wherein X is O or CH.sub.2 ;Y is O, --CH.sub.2 --CH.sub.2, --CH.dbd.CH--, --C.tbd.C--, or --OCH.sub.2 C.sub.6 H.sub.4 --;Z is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH-- or --C.tbd.C--;f, h, k, m and t, independently, are 0 or 1;n is an integer from 1 to 12;R.sup.1 is hydrogen, lower alkyl, lower alkenyl, cycloalkyl, or aralkyl; andA is B or --O--B, wherein B is a mono-, di- or tricyclic aromatic or heteroaromatic moiety substituted by the group --COR.sup.2, --(O).sub.t --(W).sub.s --COR.sup.2 or --(CH.dbd.CH).sub.p COR.sup.2 and which may also contain up to 4 additional substituents selected, independently, from the group consisting of halogen, cyano, lower alkyl, lower alkoxy, sulfonamido, alkanoyl, aroyl, --(Q).sub.k --(W).sub.s' --E or --(Q).sub.k --(W).sub.s" --C.sub.6 H.sub.4 --(W).sub.s'" --E, provided that no more than one of said substituents is --(Q).sub.k --(W).sub.s' --E or --(Q).sub.k --(W).sub.s" --C.sub.6 H.sub.4 --(W).sub.s'" --E, and wherein E is COR.sup.2 or R.Type: GrantFiled: June 15, 1992Date of Patent: December 28, 1993Assignee: Hoffmann-La Roche Inc.Inventors: Noal Cohen, Ferdinand K. Lee, Keith A. Yagaloff
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Patent number: 5177082Abstract: The invention relates to compounds of the formulas ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 independently are hydrogen or lower alkyl, and the dotted ( . . . ) line is an optional double bond, and their pharmaceutically acceptable acid addition salts. The compounds of formulas I, II and III possess marked anticholinesterase activity and are useful as analeptic agents and as agents for the treatment of senile dementia and myasthenia gravis.Type: GrantFiled: October 18, 1990Date of Patent: January 5, 1993Inventors: Chao-mei Yu, Xi-can Tang, Jia-sen Liu, Yan-yi Han
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Patent number: 5143912Abstract: The novel pyridone derivatives of the formula ##STR1## wherein Ra is hydrogen or halogen, Rb is --NR.sup.2 R.sup.3 wherein R.sup.2 and R.sup.3 taken together with the nitrogen atom to which they are attached is a 1-azetidinyl, 1-pyrrolidinyl, 1-piperidinyl which is unsubstituted or mono- or disubstituted by lower alkyl, hydroxy, lower alkoxy, lower hydroxyalkyl, lower alkoxyalkyl or phenyl; B and the carbon atom denoted by .alpha. taken together is a group of the formula >C.sub..alpha. --CR.sup.4 .dbd.CH--CH.dbd.CH-- and R.sup.4 is hydrogen, fluorine or chlorine, can be used for the control or prevention of illnesses. In particular, they have muscle relaxant, sedative-hypnotic, anxiolytic and/or anticonvulsive activity and can accordingly be used in the control or prevention of muscle tensions, stress conditions, insomnia, anxiety states and/or convulsions.Type: GrantFiled: August 2, 1991Date of Patent: September 1, 1992Assignee: Hoffmann-La Roche, Inc.Inventors: Serge Burner, Ulrich Widmer
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Patent number: 5138066Abstract: Antibacterial compounds of the formula ##STR1## wherein R is a mononuclear carbocyclic aromatic group, a 5-membered aromatic heterocyclic group which contains as the hetero (non-carbon) ring member(s) an oxygen or sulphur atom or an imino or lower alkylimino group and, optionally, one or two nitrogen atoms, or a 6-membered aromatic heterocyclic group which contains one to three nitrogen atoms as the hetero ring member(s); R.sup.1 is hydrogen or a 3-substituent which is usable in cephalosporin chemistry; A is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl; Q is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl, or the group --NR.sup.2 -- or --NR.sup.2 NR.sup.3 --; R.sup.2 and R.sup.3 are independently hydrogen or lower alkyl; p and m are the zero or 1, n is zero, 1 or 2; R.sup.Type: GrantFiled: July 11, 1991Date of Patent: August 11, 1992Assignee: Hoffmann-La Roche, Inc.Inventor: Erwin Gotschi
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Patent number: 5134123Abstract: The compounds of the formula ##STR1## wherein A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as set forth above, are described.The compounds of formula I have an inhibitory activity on the natural enzyme renin and can accordingly be used in the form of pharmaceutical preparations for the control or prevention of high blood pressure and cardiac insufficiency.Type: GrantFiled: March 3, 1989Date of Patent: July 28, 1992Assignee: Hoffman-La Roche Inc.Inventors: Quirico Branca, Werner Neidhart, Henri Ramuz, Heinz Stadler, Wolfgang Wostl
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Patent number: 5132310Abstract: Racemic Compounds of the formula ##STR1## A is --C.tbd.C--R.sub.6, --CH.sub.2 --CH.sub.2 --R.sub.7 or ##STR2## R.sub.1 is hydrogen or lower alkanoyl, R.sub.2, R.sub.3, and R.sub.4 independently are hydrogen or lower alkyl,R.sub.5 is lower alkyl,R.sub.6 is a heteroaromatic radical or an aromatic radical selected from phenyl, naphthyl or phenanthryl, which aromatic radical may optionally be substituted by one or more substituents selected from chlorine, fluorine, lower alkyl, lower alkoxy, phenyl lower alkoxy, lower alkanoyl, lower alkanoyloxy, hydroxy-lower alkyl, carboxy, lower alkoxycarbonyl, hydroxyimino lower alkyl, amino, amino lower alkyl, mono- or di-lower alkylamino, mono- or di-lower alkylamino-lower alkyl, lower alkanoylamino, aminocarbonyl, lower alkylaminocarbonyl, lower dialkylaminocarbonyl, trifluoroacetylamino, trifluoromethyl, hydroxy, pyridyl, or on adjacent carbons can be ##STR3## wherein R' is hydrogen, lower alkanoyl, trifluoroacetyl and R" hydrogen or lower alkyl,R.sub.Type: GrantFiled: December 14, 1990Date of Patent: July 21, 1992Assignee: Hoffmann-La Roche Inc.Inventor: Armin Walser
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Patent number: 5120759Abstract: Novel compounds of the formula ##STR1## wherein R.sup.1 is lower-alkyl, lower-alkoxy-lower-alkyl, lower-alkylthio-lower-alkyl or furyl, R.sup.2 is lower-alkyl, phenyl-lower-alkyl or cyclohexyl-lower-alkyl, each of R.sup.3 and R.sup.6 independently is hydrogen or fluorine, each of R.sup.4 and R.sup.5 independently is hydrogen or lower-alkoxy or together are methylenedioxy, ethylenedioxy or ethylenoxy and n is an integer from 1 to 3, have a pronounced activity in counteracting cerebral insufficiency or improving cognitive functions and also reduce the multiple-resistance towards cytostatics in the treatment of tumors or of chloroquine resistance in the treatment of malaria. They can accordingly be used as medicaments, especially for the control or prevention of cerebral insufficiency or for the improvement of cognitive functions. The novel compounds of formula I can be manufactured by O-acylating a likewise novel compound of the formula ##STR2## wherein R.sup.Type: GrantFiled: April 23, 1991Date of Patent: June 9, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Urs Hengartner, Henri Ramuz
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Patent number: 5120530Abstract: An antimycotically-active nail varnish, which contains an antimycotically-active substance selected from 4-[3-[p-(.alpha.,.alpha.-dimethyl-benzyl)-phenyl]-2-methyl-propyl]-2,6-dim ethylmorpholine, 4-[-[p-(1,1,-dimethylpropyl)-phenyl]-2-methyl-propyl]-2,6-dimethyl-morphol ine and salts thereof and a water-insoluble film former which a copolymerizate of acrylic acid esters and methacrylic acid esters having a low content of quaternary ammonium groups, is described.Type: GrantFiled: February 22, 1990Date of Patent: June 9, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Alberto Ferro, Jurgen Gerhards, Roland Werner
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Patent number: 5118694Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, halogen, trifluoromethyl, nitro, cyano, lower alkyl, lower alkoxycarbonyl, lower alkylthio, lower alkylsulphonyl, lower alkanoyl, aroyl, carbamoyl, mono(lower alkyl)carbamoyl or di(lower alkyl)carbamoyl, R.sup.2 is hydrogen, lower alkyl or phenyl, R.sup.3 is hydrogen or lower alkyl, R.sup.4 and R.sup.5 each is hydrogen or R.sup.4 is hydroxy and R.sup.5 is hydrogen or R.sup.4 and R.sup.5 together are a carbon-carbon bond and R.sup.6 is an aryl or N-heteroaryl group carrying a hydroxy group in the 2-position or, in the case of a N-heteroaryl group, also a N-oxide group in the 2-position,and pharmaceutically acceptable acid addition salts of these compounds of formula I which are basic, possess pronounced potassium channel activating activity and can be used as medicaments, particularly in the control or prevention of hypertension, congestive heart failure, angina pectoris, peripheral and cerebral vascular disease and smooth muscle disorders.Type: GrantFiled: September 11, 1990Date of Patent: June 2, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Michael R. Attwood, Philip S. Jones, Sally Redshaw
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Patent number: 5110958Abstract: The claimed invention relates to intermediate compounds of the formula ##STR1## wherein R is hydrogen or methyl, R.sub.1 and R.sub.2 each, independently, is hydrogen, lower alkyl or aryl, or taken together are lower alkylene of from 3 to 6 carbon atoms, and the dotted (. . . ) line is an optional bond.Type: GrantFiled: May 6, 1991Date of Patent: May 5, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Enrico G. Baggiolini, Andrew D. Batcho, Gary A. Truitt, Milan R. Uskokovic, Peter M. Wovkulich
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Patent number: 5106981Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 each independently are lower-alkyl; or together are alkylene with 3-5 C-atoms in a straight chain; one of the residues R.sup.3 and R.sup.4 is hydrogen and the other is hydrogen or lower-alkyl; R.sup.6 and R.sup.7 are hydrogen or lower-alkyl; R.sup.5 and R.sup.8 are hydrogen, lower-alkyl, lower-alkoxy or halogen; X signifies --O--, --S--, --SO--, --SO.sub.2 -- or --NR.sup.9 ; R.sup.9 is hydrogen, lower-alkyl or acyl; Y is --S(O).sub.m R.sup.10 or --NHet and, where X is --NR.sup.9 --, --S--, --SO-- or --SO.sub.2 --, also --N(R.sup.11).sub.2 or --OR.sup.12 ; R.sup.10 is lower-alkyl; R.sup.11 and R.sup.12 are hydrogen, lower-alkyl or acyl; --NHet is a 5-8 membered, saturated or unsaturated, monocyclic heterocycle attached via a N-atom; n is 2, 3 or 4 and m is 0, 1 or 2, are described. The compounds of formula I are useful as agents for the treatment of disorders such as neoplasms, dermatoses or ageing of the skin.Type: GrantFiled: April 19, 1990Date of Patent: April 21, 1992Assignee: Hoffmann-La Roche Inc.Inventors: Michael Klaus, Peter Mohr, Ekkehard Weiss
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Patent number: 5082842Abstract: The compounds of the formula ##STR1## wherein Ra, Rb, Rc, Rd, Re and Rf are defined in the specification, and the pharmaceutically acceptable acid addition salts of compounds of formula A which have one or more basic substituents are described. The compounds of formula A have valuable pharmacological properties and can be used for the control or prevention of illnesses. In particular, they have muscle relaxant, sedative-hypnotic, anxiolytic and/or anticonvulsive activity and can accordingly be used in the control or prevention of muscle tensions, stress conditions, insomnia, anxiety states and/or convulsions.Type: GrantFiled: October 16, 1989Date of Patent: January 21, 1992Assignee: Hoffmann-La Roche Inc.Inventor: Ulrich Widmer
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Patent number: 5064863Abstract: Tertiary and secondary amines of the formulas ##STR1## wherein n is the integer 1 or 2, p0 R is hydrogen, lower-alkanoyl or phenyl-lower-alkanoyl,X.sup.1 is phenoxymethyl optionally mono-fluorinated or mono-chlorinated in the ortho-position,X.sup.2 is lower-alkyl, phenoxymethyl optionally mono-fluorinated or mono-chlorinated in the ortho-position or phenyl optionally monosubstituted by fluorine, chlorine, trifluoromethyl or lower-alkoxy,Y is hydrogen or methyl, andZ is a phenyl or thienyl residue substituted as hereinafter described,and the physiologically and pharmaceutically compatible salts are described. The compounds of formulas I and V-1 have catabolic activity and can be used for the treatment of obesity and diabetes mellitus or for the treatment of conditions which are associated with an increased protein breakdown, or as feed additives for fattening animals. The compounds of formulas I and V-1 can be prepared starting from corresponding primary amines.Type: GrantFiled: December 10, 1987Date of Patent: November 12, 1991Assignee: Hoffmann-La Roche Inc.Inventors: Leo Alig, Marcel Muller