Patents Assigned to AstraZeneca UK Limited
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Publication number: 20070043010Abstract: The invention concerns a quinazoline derivative of the Formula (I): wherein each of the variables have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours which are sensitive to inhibition of erbB receptor tyrosine kinases.Type: ApplicationFiled: September 22, 2004Publication date: February 22, 2007Applicant: ASTRAZENECA UK LIMITEDInventors: Robert Bradbury, Christopher Halsall, Jason Kettle, Alleyn Plowright, Laurent Hennequin
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Patent number: 7157255Abstract: A process is provided for the preparation of a compound of formula (1) wherein R and R? represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The process comprises either the stereoselective reduction of the keto group in a dihydroxy keto precursor followed by selective esterification of a primary hydroxy, or selective esterification of a primary hydroxy of a dihydroxy keto precursor followed by stereoselective reduction of the keto group.Type: GrantFiled: May 1, 2001Date of Patent: January 2, 2007Assignee: AstraZeneca UK LimitedInventors: Andrew John Blacker, Christopher David Reeve, Robert Antony Holt
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Publication number: 20060264643Abstract: The present invention provides an improved process for preparing (S)-4{[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl}-2-oxazolidinone which comprises: a) forming a carbamate of formula (III), from methyl 4-nitro-(L)-phenylalaninate hydrochloride; b) reducing the compound of formula (III) to give the compound of formula (IV); c) reducing the methyl ester grouping in the compound of formula (IV) to give the compound of formula (V); d) ring closure of the compound of formula (V) to give the compound of formula (VI); e) diazonium salt formation from the compound of formula (VI) followed by reduction to give the compound of formula (VII); f) Fischer reaction of the compound of formula (VII) to give (S)-4{[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl}2-oxazolidinoType: ApplicationFiled: May 25, 2006Publication date: November 23, 2006Applicant: ASTRAZENECA UK LIMITEDInventor: Rajnikant Patel
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Patent number: 7125909Abstract: Pharmaceutical compositions containing 2,6-diisopropylphenol (propofol) are described for use as anaesthetics. A method for their preparation is described, as their use in producing anaesthesia including induction and maintenance of general anaesthesia and sedation.Type: GrantFiled: May 14, 2002Date of Patent: October 24, 2006Assignee: AstraZeneca UK LimitedInventors: Christopher Buchan Jones, John Henry Platt
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Publication number: 20060199857Abstract: Substituted 3-phenylpropionic acid derivatives, processes for preparing such compounds, their utility in treating clinical conditions including lipid disorders (dyslipidemias) whether or not associated with insulin resistance, methods for their therapeutic use and pharmaceutical compositions containing them.Type: ApplicationFiled: June 16, 2004Publication date: September 7, 2006Applicant: ASTRAZENECA UK LIMITEDInventors: Eva-Lotte Lindstedt-Alstermark, Anna Maria Persdotter Boije, Patrik Holm
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Patent number: 7087602Abstract: The invention relates to the use of cinnoline derivatives of formula (I) wherein Z represents —O—, —NH—, —S— or —CH2—; m is an integer from 1 to 5; R1 represents hydrogen, hydroxy, halogeno, nitro, cyano, trifluoromethyl, C1-3alkyl, C1-3alkoxy, C1-3alkylthio or NR6R7 (wherein R6 and R7, which may be the same or different, each represents hydrogen or C1-3alkyl); R2 represents hydrogen, hydroxy, fluoro, chloro, methoxy, amino or nitro; R3 represents hydroxy, halogeno, C1-3alkyl, C1-3alkoxy, C1-3alkanoyloxy, trifluoromethyl, cyano, amino or nitro; R4 represents hydrogen, hydroxy, halogeno, cyano, nitro, amino, trifluoromethyl, C1-3alkyl or a group R5—X1 (wherein X1 represents —O—, —CH2—, —S—, —SO—, —SO2—, —NR8CO—, —CONR9?, —SO2NR10—, —NR11SO2— or —NR12— (wherein R8, R9, R10, R11 and R12 each independently represents hydrogen, C1-3alkyl or C1-3alkoxy C2-3alkyl) and R5is an optionally substituted alkyl, carbocylic or heterocylic group which may be saturated or unsaturated and may be directly linked to the cinnType: GrantFiled: December 5, 2002Date of Patent: August 8, 2006Assignee: AstraZeneca UK LimitedInventors: Andrew Peter Thomas, Laurent Francois Andre Hennequin
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Publication number: 20060122407Abstract: Process for the preparation of an ester of formula (1), wherein R1 represents a leaving group, CN, OH or a COOR5 group, R3 and R4 each independently represent a 1-3 C alkyl group, and R2 and R5 each independently represent an ester residue, wherein the corresonding salt with formula (2), wherein M represents H or an alkali (earth) metal in an inert solvent is contacted with an acid chloride forming agent to form the corresponding acid chloride, and the acid chloride is contacted with an alcohol with formula R2OH in the presence of N-methyl-morpholine. Preferably M represents an alkali metal, and R2 represents an alkyl group, particularly a t.-butyl group.Type: ApplicationFiled: June 12, 2003Publication date: June 8, 2006Applicant: AstraZeneca UK LimitedInventors: Hermanus Carolus Bakel Van, Dominique Monique Callant, Jacob Hermanus Kooistra, Peter Johannes Maas
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Patent number: 7041087Abstract: A pre-filled syringe comprising a glass barrel (1), a sealing member (5) fitted in a medical liquid discharge port (11) of the barrel (1), a tip member (2) mounted around the sealing member (5) on the medical liquid discharge port (11) of the barrel (1), a closing member (4), a cap member (3), and a holding member (6); the sealing member (5) having a through-hole (51) formed in the axial direction; the tip member (2) including a skirt (24) provided with an engagement pawl (25) on the inner wall of a lower end thereof, a top wall (23), a needle mounting portion (21), and a medical liquid deriving portion (22), and being provided with a medical liquid passage (28); the closing member (4) being inserted into the medical liquid passage (28) and the through-hole (51) to close the through-hole (51) and so prevent oxygen contamination and deterioration of the medical liquid.Type: GrantFiled: March 28, 2001Date of Patent: May 9, 2006Assignee: Astrazeneca UK LimitedInventors: Malcolm John Henderson, Toshikazu Hirayama, Masafumi Aramata
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Patent number: 7041836Abstract: The present invention relates to carbapenems and provides a compound of the formula (I): or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4alkyl; R3 is hydrogen or C1-4alkyl; R4 and R5 are the same or different and are selected from hydrogen, halo, cyano, C1-4alkyl, nitro, hydroxy, carboxy, C1-4alkoxy, C1-4alkoxycarbonyl, aminosulphonyl, C1-4alkylaminosulphonyl, di-C1-4-alkylaminosulphonyl, carbamoyl, C1-4alkylcarbamoyl, di-C1-4-alkylcarbamoyl, trifluoromethyl, sulphonic acid, amino, C1-4alkylamino, di-C1-4alkylamino, C1-4alkanoylamino, C1-4alkanoyl(N—C1-4alkyl)amino, C1-4alkanesulphonamido and C1-4alkylS(O)n— wherein n is zero, one or two: with the proviso that there is no hydroxy or carboxy substituent in a position ortho to the link to —NR3—. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.Type: GrantFiled: November 14, 2002Date of Patent: May 9, 2006Assignee: AstraZeneca UK LimitedInventors: Michael John Betts, Gareth Morse Davies, Michael Lingard Swain
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Publication number: 20060052604Abstract: A process for the preparation of a compound of Formula (I) and intermediates useful therein are provided. The process comprises reacting a compound of formula R1—CO—CH2-E with a compound of formula R2—CHX1X2 in the presence of a compound of formula R3R4N—C(?NH)NH2 and a catalyst, thereby to form a dihydropyrimidine; and oxidising the dihydropyrimidine to form the compound of Formula (1). R1 is H or an alkyl group; R2 is H, an alkyl or aryl group; R3 and R4 are each independently H, alkyl or aryl, or R3 and R4 are linked to form, together with the nitrogen to which they are attached to form a 5 to 7 membered heterocyclic ring; E is H, an unsubstituted alkyl group, and aryl group or an electron withdrawing group; and X1 and X2 are each independently leaving groups, or X1 and X2 together represent ?O.Type: ApplicationFiled: December 9, 2003Publication date: March 9, 2006Applicant: AstraZeneca UK LimitedInventors: Lee Newton, Mark Bailey
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Patent number: 6943254Abstract: A process for the manufacture of: wherein R is (1-4C)alkyl, carboxyl(1-4C)alkyl or 1,3,4-oxadiazol-2-yl comprises: (a) reaction of the diazonium salt of 3-amino-2-chloropyridine with thionyl chloride in water and an electron transfer catalyst; (b) reaction with isobutyl-(3-methoxy-5-methylpyrazin-2-yl)carbamate and an alkali metal hydride in inert solvent; and (I) where R is (1-4C)alkyl, carboxy(1-4C)alkyl: (c) reaction with a boronic acid: (or an anhydride or ester therof) in the presence of a base and a palladium or nickel catalyst in solvent; and removal of the isobutoxy carbonyl group; or (ii) where R is 1,3,4-oxadiazol-2-yl (c) reaction with 4-methoxycarbonylphenylboronic acid (or an anhydride or ester thereof) with a source fluoride ion under aqueous conditions; (d) removal of the isobutoxycarbonyl protecting group; (e) conversion of the methyl ester group to the hydrazide; and (f) conversion to a 1,3,4-oxadiazol-2-yl moiety.Type: GrantFiled: January 22, 2003Date of Patent: September 13, 2005Assignee: Astrazeneca UK LimitedInventor: Philip John Hogan
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Patent number: 6936610Abstract: The invention relates to heterocyclic derivatives of formula (I) A—B—X1—T1(R2)—L1—T2(R3)—X2—Q??(I) or pharmaceutically-acceptable salts thereof, which possess antithrombotic and anticoagulant properties and are accordingly useful in methods of treatment of humans or animals. The invention also relates to processes for the preparation of the heterocyclic derivatives, to pharmaceutical compositions containing them and to their use in the manufacture of medicaments for use in the production of an antithrombotic or anticoagulant effect.Type: GrantFiled: September 27, 2001Date of Patent: August 30, 2005Assignee: AstraZeneca UK LimitedInventors: Andrew Stocker, John Preston, John Wall Rayner, Michael James Smithers, Paul Turner
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Patent number: 6909005Abstract: The present invention provides an improved (S)-4-{[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl}-2-oxazolidinone product which is prepared by a method which comprises: a) forming a carbamate of formula (III), from methyl 4-nitro-(L)-phenylalaninate hydrochloride; b) reducing the compound of formula (III) to give the compound of formula (IV); c) reducing the methyl ester grouping in the compound of formula (IV) to give the compound of formula (V); d) ring closure of the compound of formula (V) to give the compound of formula (VI); e) diazonium salt formation from the compound of formula (VI) followed by reduction to give the compound of formula (VII); f) Fischer reaction of the compound of formula (VII) to give (S)-4-{[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl}-2-oxazolidinone.Type: GrantFiled: September 11, 2000Date of Patent: June 21, 2005Assignee: AstraZeneca UK LimitedInventor: Rajnikant Patel
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Publication number: 20050129774Abstract: The present invention relates to porous particles comprising one or more NO-donating Non Steroidal Antiinflammatory Compound(s) optionally mixed with one or more surfactant(s) and to new solid drug delivery composition comprising said particles optionally in combination with a second active drug. Futhermore, the invention relates to processes for producing said porous particles and solid drug delivery composition as well as the use of said composition in the manufacturing of a medicament. The No-donating NSAID may be in oily or melted form.Type: ApplicationFiled: March 20, 2003Publication date: June 16, 2005Applicants: ASTRAZENECA AB, ASTRAZENECA UK LIMITEDInventors: Sven Morein, Mats Berg, Christina Holmberg, Per Lundberg, Anders Ringberg
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Patent number: 6828092Abstract: A method for the identification of agents which modulate sterol biosynthesis which method comprises contacting a test compound with a host cell comprising a DNA sequence which controls expression of a yeast acetoacetyl CoA thiolase gene operably linked to a reporter system such that modulation of sterol biosynthesis in the host cell leads to a detectable change in cell phenotype, and determining whether any such detectable change has occurred.Type: GrantFiled: January 12, 1998Date of Patent: December 7, 2004Assignee: Astrazeneca UK LimitedInventors: Graham Keith Dixon, Peter Michael Broad, David John Scanlon
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Publication number: 20040224961Abstract: The invention provides certain thiazolopyrimidine compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof; processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.Type: ApplicationFiled: June 9, 2004Publication date: November 11, 2004Applicant: AstraZeneca UK Limited, a British corporationInventors: Paul Andrew Willis, Roger Victor Bonnert, Simon Fraser Hunt, Iain Alistair Stewart Walters
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Publication number: 20040220387Abstract: The invention relates to a method for the detection of bipolar affective disorder or a predisposition thereto in a human. The invention also relates to methods and materials for analysing allelic variation in the ZGGBP-1 gene, and to the use of ZGGBP-1 polymorphism in the diagnosis and treatment of diseases in which modulation of ZGGBP-1 activity could be of therapeutic benefit, particularly disease states associated with neurological affective disorders such as bipolar affective disorder.Type: ApplicationFiled: February 13, 2004Publication date: November 4, 2004Applicant: AstraZeneca UK LimitedInventors: Angela Veronica Flannery, Maria Christina Martina Orr
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Patent number: 6806274Abstract: The invention concerns quinazoline derivatives of Formula (I) wherein Q1 includes a quinazoline ring optionally substituted with a group such as halogeno, trifluoromethyl and cyano, or a group of the formula: Q3—X1— wherein X1 includes a direct bond and O and Q3 includes aryl, aryl-(1-6C)alkyl, heterocyclyl and heterocyclyl-(1-6C)alkyl; each of R2 and R3 is hydrogen or (1-6C)alkyl; Z includes O, S and NH; and Q2 includes aryl and aryl-(1-3C)alkyl or a pharmaceutically-acceptable salt thereof; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use in the prevention or treatment of T cell mediated diseases or medical conditions in a warm-blooded animal.Type: GrantFiled: January 7, 2002Date of Patent: October 19, 2004Assignee: AstraZeneca UK LimitedInventors: Graham C Crawley, Laurent F A Hennequin, Darren McKerrecher, Patrick Ple, Jeffrey Philip Poyser, Christine M P Lambert
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Patent number: 6790850Abstract: The invention provides certain thiazolopyrimidine compounds of formula (I) or a pharmaceutically acceptable salt or solvate thereof; processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.Type: GrantFiled: March 29, 2002Date of Patent: September 14, 2004Assignee: AstraZeneca UK LimitedInventors: Paul Andrew Willis, Roger Victor Bonnert, Simon Fraser Hunt, Iain Alistair Stewart Walters
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Publication number: 20040171870Abstract: A process for the preparation of salts of substituted or unsubstituted methylene bisphosphonic acids by hydrolysing the corresponding acid ester with hydrochloric acid, removing water from the acid azeotropically prior to addition of an amine or a base to produce the resultant salt in good yield.Type: ApplicationFiled: December 1, 2003Publication date: September 2, 2004Applicant: AstraZeneca UK Limited, a London corporationInventor: Mark Purdie