Patents Assigned to Roche Colorado Corporation
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Patent number: 7696311Abstract: The invention provides methods of obtaining a peptide that include steps of synthesizing a peptide intermediate having one or more side chain protecting groups; providing a solvent to the peptide intermediate to form a peptide intermediate composition; and providing a precipitating agent in an amount sufficient to precipitate the peptide intermediate from the peptide intermediate composition, wherein the precipitating agent is an alcohol having three or more carbon atoms. Also provided are methods for precipitating peptides, methods for concentration peptides, and methods for filtering peptides.Type: GrantFiled: December 23, 2004Date of Patent: April 13, 2010Assignee: Roche Colorado CorporationInventors: Yeun-Kwei Han, Hiralal N. Khatri, Robert J. Topping
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Patent number: 7544665Abstract: Methods for the solid phase synthesis of T-1249 peptides and peptide intermediates, in particular methods involving synthesizing T-1249 peptide intermediates at low loading factors to produce products having excellent purity and yield.Type: GrantFiled: December 30, 2005Date of Patent: June 9, 2009Assignee: Roche Colorado CorporationInventors: Hiralal N. Khatri, Yeun-Kwei Han, David A. Johnston, L. Mark Hodges
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Patent number: 7384939Abstract: The present invention provides a process for preparing a pyridine compound of the formula: wherein R1, R2, R3 and a are those defined herein.Type: GrantFiled: July 5, 2005Date of Patent: June 10, 2008Assignee: Roche Colorado CorporationInventors: Peter J. Harrington, David A. Johnston, L. Mark Hodges
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Patent number: 7365188Abstract: The present invention provides a process for producing a N4-acyl-5?-deoxy-5-fluorocytidine compound of the formula: where R2 is alkyl, cycloalkyl, aralkyl, aryl, or alkoxy.Type: GrantFiled: December 22, 2004Date of Patent: April 29, 2008Assignee: Roche Colorado CorporationInventors: Christopher R. Roberts, Jim-wah Wong
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Patent number: 7122684Abstract: The invention provides a multi-step process for preparing 1,2-diamino compounds of formula wherein R1, R1?, R2, R2?, R3 and R4 have the meaning given in the specification and pharmaceutically acceptable addition salts thereof, from 1,2-epoxides of formula wherein R1, R1?, R2 and R2? have the meaning given in the specification.Type: GrantFiled: March 13, 2003Date of Patent: October 17, 2006Assignee: Roche Colorado CorporationInventors: Jack D. Brown, Peter J. Harrington, Robert C. Hughes
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Publication number: 20060014959Abstract: The present invention provides a process for preparing a pyridine compound of the formula: wherein R1, R2, R3 and a are those defined herein.Type: ApplicationFiled: July 5, 2005Publication date: January 19, 2006Applicants: Roche Colorado CorporationInventors: Peter Harrington, David Johnston, L. Hodges
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Publication number: 20050137392Abstract: The present invention provides a process for producing a N4-acyl-5?-deoxy-5-fluorocytidine compound of the formula: where R2 is alkyl, cycloalkyl, aralkyl, aryl, or alkoxy.Type: ApplicationFiled: December 22, 2004Publication date: June 23, 2005Applicant: Roche Colorado CorporationInventors: Christopher Roberts, Jim-wah Wong
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Patent number: 6858749Abstract: The present invention relates to a novel process for producing a ?-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein, as well as novel intermediates. In particular, the present invention relates to a process for enantioselectively producing the (R)-?-lactone.Type: GrantFiled: February 10, 2003Date of Patent: February 22, 2005Assignee: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Patent number: 6818789Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein, as well as novel intermediates. In particular, the present invention relates to a process for enantioselectively producing the (R)-&dgr;-lactone.Type: GrantFiled: February 10, 2003Date of Patent: November 16, 2004Assignee: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Patent number: 6765109Abstract: The present invention provides a method for preparing S-aryl cysteine. Specifically, the present invention provides enantioselective method for preparing S-aryl cysteine starting from cystine, cysteine or serine amino acid. The methods of the present invention provides S-aryl cysteine in enantiomeric excess of greater than about 96%.Type: GrantFiled: November 14, 2000Date of Patent: July 20, 2004Assignee: Roche Colorado CorporationInventors: Jack D. Brown, Hiralal N. Khatri, Peter J. Harrington, Dave A. Johnston, Robert J. Topping, Richard R. Dauer, Gary K. Rowe
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Patent number: 6743927Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein, as well as novel intermediates. In particular, the present invention relates to a process for enantioselectively producing the (R)-&dgr;-lactone.Type: GrantFiled: February 10, 2003Date of Patent: June 1, 2004Assignee: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Publication number: 20030171602Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: 1Type: ApplicationFiled: February 10, 2003Publication date: September 11, 2003Applicant: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Rober J. Topping
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Publication number: 20030158422Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: 1Type: ApplicationFiled: February 10, 2003Publication date: August 21, 2003Applicant: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Mitcheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Publication number: 20030158423Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: 1Type: ApplicationFiled: February 10, 2003Publication date: August 21, 2003Applicant: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Patent number: 6552204Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein. In particular, the present invention relates to a process for enantioselectively producing the &dgr;-lactone and novel intermediates disclosed herein.Type: GrantFiled: September 22, 2000Date of Patent: April 22, 2003Assignee: Roche Colorado CorporationInventors: Peter J. Harrington, Lewis M. Hodges, Kurt Puentener, Michelangelo Scalone
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Patent number: 6545165Abstract: The present invention relates to a novel process for producing a &dgr;-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein, as well as novel intermediates. In particular, the present invention relates to a process for enantioselectively producing the (R)-&dgr;-lactone.Type: GrantFiled: September 22, 2000Date of Patent: April 8, 2003Assignee: Roche Colorado CorporationInventors: Michael P. Fleming, Yeun-Kwei Han, Lewis M. Hodges, David A. Johnston, Roger P. Micheli, Kurt Puentener, Chris R. Roberts, Michelangelo Scalone, Mark A. Schwindt, Robert J. Topping
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Patent number: 6507284Abstract: The present invention provides an enclosure sign apparatus for unavoidable viewing of a sign before manipulation of an entryway opening device. The enclosure sign apparatus includes at least one side surface extending out as least as far as the entryway opening device, a back surface interconnected to the side surface, wherein the back surface comprises an opening to accommodate the entryway opening device therethrough, and a front surface having a sign. The front surface is capable of preventing access to the entryway opening device and is interconnected to the side surface. When in use, access is obtained to an entryway opening device by physically removing the enclosure sign apparatus so that there is unavoidable viewing of a sign before manipulation of the entryway opening device.Type: GrantFiled: April 13, 2000Date of Patent: January 14, 2003Assignee: Roche Colorado CorporationInventor: Marc Thomas Rothney
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Patent number: 6475080Abstract: An apparatus for reducing the amount of fumes escaping into the surrounding atmosphere from an open container and from a chemical dispenser, and a method of use thereof comprising a bung slot ventilation apparatus and a chemical dispenser holder apparatus and a method of use thereof. The bung slot ventilation apparatus includes an inlet passageway comprising a fume exhaust port and a bunghole adapter, and a fume exhaust system adapter. And the chemical dispenser holder apparatus includes a holder comprising an inlet and a fume exhaust system adapter.Type: GrantFiled: September 22, 2000Date of Patent: November 5, 2002Assignee: Roche Colorado CorporationInventor: Marc T. Rothney
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Patent number: 6136971Abstract: The present invention provides a process for preparing 1,2-diheteroethylene sulfonamide of the formula: ##STR1## by reacting a pyrimidine monohalide of the formula: ##STR2## with a mono-protected 1,2-diheteroethylene anion of the formula M.sub.1 XCH.sub.2 CH.sub.2 YR.sub.5 and removing the protecting group, 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, R.sub.9, Z, X, Y, M, M.sub.1 and W are defined herein.Type: GrantFiled: July 15, 1999Date of Patent: October 24, 2000Assignee: Roche Colorado CorporationInventors: Peter J. Harrington, Hiralal N. Khatri, Bradley S. Dehoff
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Patent number: 5892055Abstract: A method of preparing 2-?2-{?3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopro pyl-1,2,3,4-tetrahydronaphthalen-2-yl methoxyacetate comprises contacting 6-fluoro-1-isopropyl-3,4-dihydro-1H-naphthalen-2-one with the dianion of N-?3-(1H-benzimidazol-2-yl)propyl!-N-methylacetamide to form N-?3-(1H-benzirnidazol-2-yl) propyl!-2-(6-fluoro-2-hydroxy-1-isopropyl-1,2,3,4-tetrahydronaphthalen-2-y l)-N-methylacetamide, reducing this to 2-?2-{?3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro-1-isopro pyl-1,2,3,4-tetrahydronaphthalen-2-ol, and treating the 2-?2-{?3-(1H-benzirnidazol-2-yl)propyl!methylarnino}ethyl!-6-fluoro-1-isop ropyl-1, 2,3,4-tetrahydronaphthalen-2-ol with methoxyacetic acid or an activated derivative of methoxyacetic acid. The invention is particularly applicable to the preparation of mibefradil, (1S,2S)-2-?2-{?3-(1H-benzimidazol-2-yl)propyl!methylamino}ethyl!-6-fluoro- 1-isopropyl-1, 2,3,4-tetrahydronaphthalen-2-yl methoxyacetate, and its dihydrochloride salt.Type: GrantFiled: June 26, 1998Date of Patent: April 6, 1999Assignee: Roche Colorado CorporationInventor: Peter J. Harrington