Patents Assigned to Biota Europe Ltd.
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Patent number: 9181234Abstract: The present invention provides a compound of the following formula and salts thereof: Also provided is the use of these compounds as antibacterials, compositions comprising them and processes for their manufacture.Type: GrantFiled: October 7, 2011Date of Patent: November 10, 2015Assignee: Biota Europe Ltd.Inventors: James T Palmer, Christopher James Lunnis, Daniel A Offermann, Lorraine Claire Axford, Michael Blair, Dale Mitchell, Nicholas Palmer, Christopher Steele, John Atherall, David Watson, David Haydon, Lloyd Czaplewski, David Davies, Ian Collins, Edward Malcolm Tyndall, Laura Andrau, Gary Robert William Pitt
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Patent number: 9060515Abstract: The present invention provides a compound of the following formula, racemates, enantiomers and salts thereof. Also provided is the use of these compounds as antibacterials, compositions comprising them and processes for their manufacture.Type: GrantFiled: December 21, 2012Date of Patent: June 23, 2015Assignee: Biota Europe Ltd.Inventors: Edward Malcolm Tyndall, Lloyd George Czaplewski, Colin William Gordon Fishwick, Andrew Ian Yule, Jeffrey Peter Mitchell, Kelly Helen Anderson, Gary Robert William Pitt
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Publication number: 20130252938Abstract: The present invention provides a compound of the following formula, salts, racemates, diastereomers, enantiomers, esters, carbamates, phosphates, sulfates, deuterated forms and prodrugs thereof. Also provided is the use of these compounds as antibacterials, compositions comprising them and processes for their manufacture.Type: ApplicationFiled: March 21, 2013Publication date: September 26, 2013Applicant: Biota Europe Ltd.Inventors: Christopher James Lunniss, James T. Palmer, Gary Robert William Pitt, David Davies, Lorraine Claire Axford
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Patent number: 8299065Abstract: Compound of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; AIk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, or —C(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl or C2-C6 alkynyl; Z1 is —N? or —CH?Z2 is —N? or —C(R1)?; R1 is hydrogen, methyl, ethyl, ethenyl, ethynyl, methoxy, mercapto, mercaptomethyl, halo, fully or partially fluorinated (C1-C2)alkyl, (C1-C2JaIkoxy or (C1-C2)alkylthio, nitro, or nitrile (—CN); R2 is a group Q1-[Alk1]q-Q2-, wherein q is 0 or 1; AIk1 is an optionally substituted, divalent, straight chain or branched C1-C6 alkylene, or C2-C6 alkenylene or C2-C6 alkynylene radical which may contain or terminate in an ether (—O—), thioether (—S—) or amino (—NR)— link; Q2 is an optionally substituted divalent monocyclic carbocyclic or heterocyclic raType: GrantFiled: December 12, 2008Date of Patent: October 30, 2012Assignee: Biota Europe Ltd.Inventors: David John Haydon, Lloyd George Czaplewski
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Publication number: 20120088750Abstract: The present invention provides a compound of the following formula and salts thereof: Also provided is the use of these compounds as antibacterials, compositions comprising them and processes for their manufacture.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: BIOTA EUROPE LTD.Inventors: James T. PALMER, Christopher James LUNNIS, Daniel A. OFFERMANN, Lorraine Claire AXFORD, Michael BLAIR, Dale MITCHELL, Nicholas PALMER, Christopher STEELE, John ATHERALL, David WATSON, David HAYDON, Lloyd CZAPLEWSKI, David DAVIES, Ian COLLINS
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Publication number: 20100311766Abstract: Compounds of formula (I) have antibacterial activity wherein: m is O or 1; Q is hydrogen or cyclopropyl; AIk is an optionally substituted, divalent C1-C3 alkylene, C2-C3 alkenylene or C2-C3 alkynylene radical; X is —C(?O)NH— or —C(?O)O—; R2 and R3 are as defined in the specification.Type: ApplicationFiled: December 12, 2008Publication date: December 9, 2010Applicant: BIOTA EUROPE LTDInventors: David John Haydon, Lloyd George Czaplewski
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Publication number: 20100305067Abstract: Compound of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; AIk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, or —C(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl or C2-C6 alkynyl; Z1 is —N? or —CH?Z2 is —N? or —C(R1)?; R1 is hydrogen, methyl, ethyl, ethenyl, ethynyl, methoxy, mercapto, mercaptomethyl, halo, fully or partially fluorinated (C1-C2)alkyl, (C1-C2Jalkoxy or (C1-C2)alkylthio, nitro, or nitrile (—CN); R2 is a group Q1-[Alk1]q-Q2-, wherein q is 0 or 1; AIk1 is an optionally substituted, divalent, straight chain or branched C1-C6 alkylene, or C2-C6 alkenylene or C2-C6 alkynylene radical which may contain or terminate in an ether (—O—), thioether (—S—) or amino (—NR)— link; Q2 is an optionally substituted divalent monocyclic carbocyclic or heterocyclic raType: ApplicationFiled: December 12, 2008Publication date: December 2, 2010Applicant: BIOTA EUROPE LTDInventors: David John Haydon, Lloyd George Czaplewski
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Publication number: 20100298388Abstract: Compounds of formula (IA) or (IB) have antibacterial activity: wherein W is ?C(H)— or ?N—; R3 is a radical of formula -(Alk1)m-(Z1)p-(Alk2)n-Q wherein m, p and n are independently 0 or 1, provided that at least one of m, p and n is 1, Z1 is —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, —N(CH2CH3)—, —C(—O)—, —O—(C?O)—, —C(?O)—O—, or an optionally substituted divalent monocyclic carbocyclic or heterocyclic radical having 3 to 6 ring atoms; or an optionally substituted divalent bicyclic carbocyclic or heterocyclic radical having 5 to 10 ring atoms; Alk1 and Alk2 are optionally substituted C1-C6 alkylene, C2-C6 alkenylene, or C2-C6 alkynylene radicals, which may optionally terminate with or be interrupted by —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, Or —N(CH2CH3)—; and Q is hydrogen, halogen, nitrile, or hydroxyl, or an optionally substituted monocyclic carbocyclic or heterocyclic radical having 3 to 6 ring atoms; or an optionally substituted bicyclic carbocyclic or heterocyclic radical having 5 to 10 ring atoms; RType: ApplicationFiled: September 22, 2008Publication date: November 25, 2010Applicant: BIOTA EUROPE LTD.Inventors: David John Haydon, Ian Collins, Lloyd George Czaplewski
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Publication number: 20100273837Abstract: Compounds of formula (IA) or (IB) have antibacterial activity: wherein W is ?CH— or ?N—; Ri and R2 are independently selected from hydrogen, fluoro and chloro, provided that Ri and R2 are not each hydrogen when W is ?CH—; n is 0 or 1; X is —O—, —S—, or —CH2—; and Q is (i) a phenyl radical, a naphthyl radical, a monocyclic carbocyclic or heteroaryl radical having 3 to 6 ring atoms, or a bicyclic heteroaryl radical having 5 to 10 ring atoms, any of which radicals being optionally substituted; or (ii) an optionally substituted C1-C6 alkyl, C2-C6 alkenyl, or C2-C6 alkynyl radical, which may optionally be interrupted by —O—, —S—, —S(O)—, —S(O2)—, —NH—, —N(CH3)—, —N(CH2CH3)—, —C—K?Oh or —C(?O)—O—.Type: ApplicationFiled: September 22, 2008Publication date: October 28, 2010Applicant: BIOTA EUROPE LTD.Inventors: David John Haydon, Ian Collins, Lloyd George Czaplewski