Patents by Inventor Stephen R Baker
Stephen R Baker 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: 7135487Abstract: The present invention relates to novel sulphonamide derivatives, to processes for their preparation and to pharmaceutical compositions containing them.Type: GrantFiled: May 29, 2003Date of Patent: November 14, 2006Assignee: Eli Lilly and CompanyInventors: Macklin B Arnold, Stephen R Baker, Thomas J Bleisch, Buddy E Cantrell, Ana M Escribano, Ken Matsumoto, Tracey E McKennon, Paul L Ornstein, Richard L Simon, Edward C. R. Smith, Hamideh Zarrinmayeh, Dennis M Zimmerman
-
Publication number: 20020002158Abstract: Glutamate receptor function in a mammal may be potentiated using an effective amount of a compound of formulaType: ApplicationFiled: July 25, 2001Publication date: January 3, 2002Inventors: MacKlin B. Arnold, Stephen R. Baker, Thomas J. Bleisch, Buddy E. Cantrell, Ana M. Escribano, Ken Matsumoto, Tracey E. McKennon, Paul L. Ornstein, Richard L. Simon, Edward C.R. Smith, Hamideh Zarrinmayeh, Dennis M. Zimmerman
-
Patent number: 6303816Abstract: Glutamate receptor function in a mammal may be potentiated using an effective amount of a compound of formula R1—L—NHSO2R2 I in which R1 represents an unsubstituted or substituted aromatic or heteroaromatic group; R2 represents (1-6C)alkyl, (3-6C)cycloalkyl, (1-6C)fluoroalkyl, (1-6C)chloroalkyl, (2-6C)alkenyl, (1-4C)alkoxy(1-4C)alkyl, phenyl which is unsubstituted or substituted by halogen, (1-4C)alkyl or (1-4C)alkoxy, or a group, of formula R3R4N in which R3 and R4 each independently represents (1-4C)alkyl or, together with the nitrogen atom to which they are attached form an azetidinyl, pyrrolidinyl, piperidinyl, morpholino, piperazinyl, hexahydroazepinyl or octahydroazocinyl group; and L represents a (2-4C)alkylene chain which is unsubstituted or substituted by one or two substituents selected independently from (1-6C)alkyl, aryl(1-6C)alkyl, (2-6C)alkenyl, aryl(2-6C)alkenyl and aryl, or by two substituents which, together with the carbon atom or carbon atoms to which they are atType: GrantFiled: October 18, 1999Date of Patent: October 16, 2001Assignee: Eli Lilly and CompanyInventors: Macklin B Arnold, Stephen R Baker, David Bleakman, Thomas J Bleisch, Buddy E Cantrell, Ana M Escribano, Ken Matsumoto, Tracey E McKennon, Paul L Ornstein, Richard L Simon, Edward C. R. Smith, Joseph P Tizzano, Hamideh Zarrinmayeh, Dennis M Zimmerman
-
Patent number: 5629317Abstract: The present invention provides novel tetrahydro-beta-carboline compounds having useful central nervous system activity. Further, there is provided tetrahydro-beta-carboline related compounds which are useful intermediates and have beneficial central nervous system activity. The invention provides formulations and methods for using the novel tetrahydro-beta-carboline and related compounds. Such compounds are particularly useful for the modulation of a 5-HT.sub.2B receptor.Type: GrantFiled: May 19, 1995Date of Patent: May 13, 1997Assignee: Eli Lilly and CompanyInventors: James E. Audia, Stephen R. Baker, Jesus E. Carrera, Carlos L. Peteira, Concepcion P. Tercero
-
Patent number: 5539099Abstract: An improved process suitable for large-scale production of 2',3'-didehydro-3'-deoxythymidine (d4T) and close analogs is disclosed. The improved process yields d4T in high yield and purity without the use of hazardous reactions or reagents and incorporates several process improvements important on a large scale including a novel purification step involving the isolation of a d4T.N-methylpyrrolidinone solvate.Type: GrantFiled: September 23, 1994Date of Patent: July 23, 1996Assignee: Bristol-Myers Squibb CompanyInventors: Paul M. Skonezny, Emerich Eisenreich, Derron R. Stark, Brenda T. Boyhan, Stephen R. Baker
-
Patent number: 5420269Abstract: 3-Fluorosulfonyloxyceph-3-ems having a protected amino or acylamino group in the 7-position are subject to carbon-carbon bond formation at the 3-position by means of a palladium catalyzed coupling reaction with substituted organostannanes. A process for preparing cefprozil is disclosed.Type: GrantFiled: June 15, 1993Date of Patent: May 30, 1995Assignee: Bristol-Myers Squibb CoInventors: Stephen R. Baker, Chester Sapino, Jr., Gregory P. Roth
-
Patent number: 5245027Abstract: 3-Fluorosulfonyloxyceph-3-ems having a protected amino or acylamino group in the 7-position are subject to carbon-carbon bond formation at the 3-position by means of a palladium catalyzed coupling reaction with substituted organostannanes. A process for preparing cefprozil is disclosed.Type: GrantFiled: October 31, 1990Date of Patent: September 14, 1993Assignee: Bristol-Myers Squibb CompanyInventors: Stephen R. Baker, Chester Sapino, Jr., Gregory P. Roth
-
Patent number: 5162521Abstract: This invention relates to a novel process for making a cephem of formula II from 2-(3-amino-2-oxo-azetidin-1-yl)-2,3-butadienoate of formula I. In another aspect, this invention is concerned with a process of further converting a compound of formula II into an antibacterial cephem of formula III. ##STR1## In formulae I, II and III, R.sup.1 is hydrogen, a conventional amino protecting group or an acyl group; R.sup.2 is an aromatic heterocyclic or aryl group; R.sup.3 is a conventional carboxy protecting group or --CO.sub.2 R.sup.3 taken together forms a physiologically hydrolyzable ester; and R.sup.4 is a group selected from the group consisting of C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, cyclic C.sub.3-6 alkyl, and aryl; and n is 0 or 2.Type: GrantFiled: June 6, 1991Date of Patent: November 10, 1992Assignee: Bristol-Myers Squibb CompanyInventors: Vittorio Farina, Stephen R. Baker
-
Patent number: 5021441Abstract: There are disclosed pharmaceutical compounds of the formula: ##STR1## in which R.sup.1 is halo-substituted alkyl;X is alkenylene; and R.sup.1 --X-- contains 6 to 34 carbon atoms;R.sup.2 is C.sub.1-5 alkyl substituted by(i) optionally protected carboxyl, nitrile, optionally protected tetrazolyl or --CONR'R", in which R' and R" are each hydrogen or C.sub.1-4 alkyl, ##STR2## (ii) in which R' and R" are each hydrogen or C.sub.1-4 alkyl, or ##STR3## (iii) in which R', R" and R'" are each hydrogen or C.sub.1-4 alkyl, or R.sup.2 is a group of the formula ##STR4## in which R' is hydrogen or an optionally protected amino acid residue, and R" is --OH or an optionally protected amino acid residue; andR.sup.3, R.sup.4 and R.sup.5 are each hydrogen, optionally protected carboxyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxyl, optionally protected tetrazolyl, halo, trifluoromethyl, nitrile, nitro or --CONR'R" where R' and R" are each hydrogen or C.sub.1-4 alkyl; and salts thereof.Type: GrantFiled: March 22, 1989Date of Patent: June 4, 1991Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, Alec Todd
-
Patent number: 4968711Abstract: There is disclosed a pharmaceutical compound of the formula ##STR1## in which R.sup.1 is C.sub.7-20 alkyl, C.sub.7-20 alkenyl, or C.sub.7-20 alkynyl, the alkyl, alkenyl or alkynyl group being optionally substituted by phenyl or substituted phenyl, R.sup.2 is --CN, --COOR.sup.3 or ##STR2## wherein R.sup.3 is hydrogen or a protecting group, X is alkylene containing 1 to 6 carbon atoms and Y is a nitrogen-containing group selected from ##STR3## where each R.sup.4 independently is hydrogen or C.sub.1-4 alkyl; and salts thereof.Type: GrantFiled: April 18, 1988Date of Patent: November 6, 1990Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, John Goldsworthy, William J. Ross
-
Patent number: 4963578Abstract: There are described compounds of formula ##STR1## in which n is 0, 1 or 2, R.sup.1 is a hydrocarbyl group optionally substituted with an optionally substituted phenyl group and containing from 5 to 30 carbon atoms, R.sup.2 is optionally substituted phenyl or C.sub.1-10 alkyl optionally substituted by one or more substituents selected from optionally protected hydroxyl, optionally protected carboxyl, nitrile, optionally protected tetrazolyl, --COR.sup.6 where R.sup.6 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.7 where each R.sup.7 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.8 where R.sup.8 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.9 where R.sup.9 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, and R.sup.3, R.sup.4 and R.sup.5 are each selected from hydrogen, carboxyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkyl, C.sub.Type: GrantFiled: November 1, 1989Date of Patent: October 16, 1990Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, William B. Jamieson, deceased, Alec Todd
-
Patent number: 4886885Abstract: A pharmaceutical compound of the formula: ##STR1## in which R.sup.1 is C.sub.7-20 alkyl, C.sub.7-20 alkenyl or C.sub.7-20 alkynyl, the alkyl, alkenyl or alkynyl group being optionally substituted by phenyl or substituted phenyl and the alkenyl and alkynyl groups containing 1 to 3 unsaturated bonds, R.sup.2 is (i) optionally substituted phenyl, (ii) C.sub.1-10 alkyl optionally substituted by one or more substituents selected from optionally protected hydroxyl, optionally protected carboxyl, nitrile, optionally protected tetrazolyl, --COR.sup.4 where R.sup.4 is C.sub.1-14 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.5 where each R.sup.5 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.6 where R.sup.6 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.7 where R.sup.7 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, or (iii) C.sub.1-10 alkyl substituted with a group selected from ##STR2## where each R.sup.8 is hydrogen or C.sub.Type: GrantFiled: October 26, 1988Date of Patent: December 12, 1989Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, Alec Todd
-
Patent number: 4870168Abstract: There is disclosed a process for the production of certain 3-hydrocarbyl-3-cephem derivatives wherein the hydrocarbyl group is selected from 1-alkenyl and conjugated and unconjugated 1-polyalkenyl, 1-alkynl, carbocyclic and heterocyclic aryl, and carbocyclic and heterocyclic arylmethyl and, in the case of the 1-alkenyl and conjugated 1-polyalkenyl derivatives, with substantially complete stereospecificity, by coupling a 3-triflyloxy cephem with a hydrocarbyltributylstannane in the presence of bis(dibenzylideneacetonyl)-palladium, a phosphine, and a metal halide such as, for example, zinc chloride. The 3-unsaturated alkyl-3-cephem derivatives so-produced are useful as broad-spectrum antibacterial agents.Type: GrantFiled: February 26, 1987Date of Patent: September 26, 1989Assignee: Bristol-Myers CompanyInventors: Stephen R. Baker, Vittorio Farina, Chester Sapino, Jr.
-
Patent number: 4847373Abstract: There is disclosed a process for the production of certain 2-allyl- and 3-butenyl-3-cephem derivatives by coupling a 3-chloromethyl-3-cephem with a hydrocarbyltributystannane in the presence of bis(dibenzylideneacetonyl)-palladium and a phosphine. The 3-allyl- and 3-butenyl-3-cephem derivatives so-produced are useful as broad-spectrum antibacterial agents.Type: GrantFiled: February 26, 1987Date of Patent: July 11, 1989Assignee: Bristol-Myers CompanyInventors: Stephen R. Baker, Vittorio Farina, Chester Sapino, Jr.
-
Patent number: 4845110Abstract: There are provided anti-allergic pharmaceutical compounds of formula: ##STR1## in which n is 0, 1 or 2; R.sup.1 is a hydrocarbyl group containing 6 to 30 carbon atoms and optionally substituted with an optionally substituted phenyl group; R.sup.2 is (i) optionally optionally protected tetrazolyl, --COR.sup.6 where R.sup.6 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.7 where each R.sup.7 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.8 where R.sup.8 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.9 where R.sup.9 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, or (iii) C.sub.1-10 alkyl substituted with a group selected from ##STR2## where each R.sup.10 is hydrogen or C.sub.1-4 alkyl; and R.sup.3, R.sup.4 and R.sup.5 are each selected from hydrogen, carboxyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkyl, hydroxyl, optionally protected tetrazolyl, halo, trifluoromethyl, nitrile, nitro and --CONR.sub.2.sup.Type: GrantFiled: December 4, 1986Date of Patent: July 4, 1989Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, Alec Todd
-
Patent number: 4675335Abstract: Pharmaceutical compounds are described of the formula ##STR1## in which R.sup.1 is (i) R.sup.4 O(CH.sub.2 CH.sub.2 O).sub.n (CH.sub.2).sub.m --, where R.sup.4 is hydrogen or C.sub.1-5 alkyl, n is 0 or 1 to 5 and m is 1 to 7, or (ii) R.sup.5 --X-- where R.sup.5 is a polar group and X is a C.sub.6-20 alkylene or a C.sub.6-20 alkenylene radical containing from 1 to 3 double bonds, R.sup.2 is a group of the formula A--B-- where A is --COOH or ##STR2## where R.sup.6 is hydrogen or a protecting group, and B is C.sub.1-6 alkylene, and R.sup.3 is --COOH or ##STR3## where R.sup.7 is hydrogen or a protecting group; or a salt or ester thereof.Type: GrantFiled: January 27, 1986Date of Patent: June 23, 1987Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, William J. Ross
-
Patent number: 4665189Abstract: There are described compounds of formula ##STR1## in which n is 0, 1 or 2, R.sup.1 is a hydrocarbyl group optionally substituted with an optionally substituted phenyl group and containing from 5 to 30 carbon atoms, R.sup.2 is optionally substituted phenyl or C.sub.1-10 alkyl optionally substituted by one or more substituents selected from optionally protected hydroxyl, optionally protected carboxyl, nitrile, optionally protected tetrazolyl, --COR.sup.6 where R.sup.6 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.7 where each R.sup.7 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.8 where R.sup.8 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.9 where R.sup.9 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, and R.sup.3, R.sup.4 and R.sup.5 are each selected from hydrogen, carboxyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkyl, C.sub.Type: GrantFiled: July 30, 1984Date of Patent: May 12, 1987Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, William B. Jamieson, Alec Todd
-
Patent number: 4532257Abstract: There are described compounds of the formula ##STR1## in which either R.sup.1 and R.sup.2 are both hydrogen or R.sup.1 is carboxyl and R.sup.2 is hydrogen, C.sub.3-4 alkenyl or C.sub.1-4 alkyl, and R.sup.3, R.sup.4 and R.sup.5 are each hydrogen, nitro, hydroxyl, carboxyl, carboxyC.sub.1-2 alkoxy, C.sub.3-4 alkenyl, C.sub.1-4 alkyl, C.sub.3-4 alkenyloxy, C.sub.1-4 alkoxy or the group ##STR2## where R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-4 alkyl; and salts and esters thereof. The compounds are indicated for use in the treatment of immediate sensitivity reactions and inflammatory diseases.Type: GrantFiled: November 30, 1983Date of Patent: July 30, 1985Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, Terry D. Lindstrom, William B. Jamieson, William J. Ross
-
Patent number: RE32196Abstract: Substituted aurones of formula (I): ##STR1## wherein R.sup.1, R.sup.2 R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different and can each represent hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.3-8 cycloalkyl, optionally substituted phenyl, C.sub.1-6 haloalkyl, amido, amino, cyano, hydroxy, nitro, C.sub.2-4 alkenyl, carboxyl, tetrazol-5-yl and --CH.dbd.CHCOOH; orwherein R.sup.1 and R.sup.2 taken together can represent a group of formula --CH.dbd.CH--CH.dbd.CH-- provided that at least one of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 is carboxyl, tetrazol-5-yl or --CH.dbd.CHCOOH;or a pharmaceutically-acceptable salt or ester thereof, are effective in the prophylactic chemotherapy of allergic conditions such as bronchial asthma.Type: GrantFiled: May 19, 1982Date of Patent: July 1, 1986Assignee: Lilly Industries LimitedInventors: Stephen R. Baker, William B. Jamieson, William J. Ross
-
Patent number: RE33300Abstract: There are described compounds of formula ##STR1## in which n is 0, 1 or 2, R.sup.1 is a hydrocarbyl group optionally substituted with an optionally substituted phenyl group and containing from 5 to 30 carbon atoms, R.sup.2 is optionally substituted phenyl or C.sub.1-10 alkyl optionally substituted by one or more substituents selected from optionally protected hydroxyl, optionally protected carboxyl, nitrile, optionally protected tetrazolyl, --COR.sup.6 where R.sup.6 is C.sub.1-4 alkyl, C.sub.1-4 alkoxy, an optionally protected amino acid residue or --NR.sub.2.sup.7 where each R.sup.7 is hydrogen or C.sub.1-4 alkyl, and --NHR.sup.8 where R.sup.8 is hydrogen, a protecting group, an optionally protected amino acid residue, C.sub.1-4 alkyl or --COR.sup.9 where R.sup.9 is C.sub.1-4 alkyl or C.sub.1-4 alkoxy, and R.sup.3, R.sup.4 and R.sup.5 are each selected from hydrogen, carboxyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkyl, C.sub.Type: GrantFiled: November 1, 1989Date of Patent: August 14, 1990Assignee: Eli Lilly and CompanyInventors: Stephen R. Baker, William B. Jamieson, Alec Todd