Patents by Inventor Sandra Dora Meadows
Sandra Dora Meadows 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).
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Patent number: 6262075Abstract: The present invention provides compounds of formula (I) and the pharmaceutically acceptable acid addition salts thereof, wherein X is a direct link or C1-C4 alkylene; and R is C3-C7 cycloalkyl optionally substituted by 1 or 2 substituents each independently selected from fluoro and C3-C7 cycloalkyl: with the proviso that X is not methylene when R is cyclopropyl, together with processes for the preparation of, intermediates used in the preparation of, compositions containing and uses of, such compounds. These compounds are useful as tachykinin antagonists.Type: GrantFiled: July 20, 1998Date of Patent: July 17, 2001Assignee: Pfizer IncInventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
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Patent number: 6242438Abstract: The present invention provides compounds of formula (I) and the pharmaceutically acceptable salts thereof. Such compounds and salts are tachykinin antagonists.Type: GrantFiled: June 1, 1998Date of Patent: June 5, 2001Assignee: Pfizer Inc.Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
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Patent number: 6034082Abstract: Compounds of formula (I) ##STR1## and salts thereof, wherein: R.sup.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4)alky aryl or aryl(C.sub.1 -C.sub.4)alkyl; wherein the C.sub.1 -C.sub.6 alkyl group is optionally substituted by fluorine and the C.sub.3 -C.sub.7 cycloalkyl or C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4)alkyl group is optionally substituted in the cycloalkyl ring by up to two substituents each independently selected from halo, C.sub.1 -C.sub.4 alkoxy or halo(C.sub.1 -C.sub.4)alkoxy; R.sup.2 is phenyl optionally substituted with one or two halo substituents or is indolyl, thienyl, benzothienyl or naphthyl; R.sup.3 is NH.sub.2,--NR.sup.4 SO.sub.2 (C.sub.1 -C.sub.6 alkyl), --NR.sup.4 SO.sub.2 aryl, --NR.sup.4 SO.sub.2 N(R.sup.4).sub.2, NR.sup.4 CO(C.sub.1 -C.sub.6 alkyl), --NR.sup.4 CO aryl or a group or formula (a) ##STR2## wherein W is O, NR.sup.5, CH(OH), CHCO.sub.2 H, CHN(R.sup.4).sub.2, CHF, CF.sub.2, C.dbd.O or CH.sub.2 ; R.sup.Type: GrantFiled: May 13, 1998Date of Patent: March 7, 2000Assignee: Pfizer Inc.Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
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Patent number: 6022971Abstract: The present invention provides compounds of the formula (I): ##STR1## and the pharmaceutically acceptable salts thereof, wherein R is C.sub.3 -C.sub.7 cycloalkyl, aryl or C.sub.1 -C.sub.6 alkyl, said C.sub.1 -C.sub.6 alkyl being optionally substituted by fluoro, --COOH, --COO(C.sub.1 -C.sub.4) alkyl, C.sub.3 -C.sub.7 cycloalkyl, adamantyl, aryl or het.sup.1, and said C.sub.3 -C.sub.7 cycloalkyl being optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, fluoro, fluoro(C.sub.1 -C.sub.4) alkyl and fluoro(C.sub.1 -C.sub.4)alkoxy;R.sup.1 is phenyl, benzyl, naphthyl, thienyl, benzothienyl or indolyl, each optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo and trifluoromethyl;R.sup.2 represents various groups;X is C.sub.1 -C.sub.4 alkylene; andX.sup.1 is a direct link or C.sub.1 -C.sub.6 alkylene.Type: GrantFiled: January 26, 1998Date of Patent: February 8, 2000Assignee: Pfizer IncInventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows
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Patent number: 5968923Abstract: The present invention provides compounds of formula (I) and the pharmaceutically acceptable salts thereof, wherein R is C.sub.3 -C.sub.7 cycloalkyl, aryl or C.sub.1 -C.sub.6 alkyl, said C.sub.1 -C.sub.6 alkyl, said C.sub.1 -C.sub.6 alkyl being optionally substituted by fluoro, COOH, --COO(C.sub.1 -C.sub.4 alkyl), C.sub.3 -C.sub.7 cycloalkyl, adamantyl, aryl or het.sup.1, and said C.sub.3 -C.sub.7 cycloalkyl being optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, fluoro, fluoro (C.sub.1 -C.sub.4) alkyl and fluoro (C.sub.1 -C.sub.4) Alkoxy; R.sub.1 is phenyl, naphthyl, thienyl, benzothienyl or indolyl, each optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo and trifluormethyl; R.sup.2 is --CO.sub.2 H, --CONR.sup.3 R.sup.4, --CONR.sup.5 (C.sub.3 -C.sub.7 cycloalkyl), --NR.sup.5 (C.sub.2 -C.sub.5 alkanoyl), --NR.sup.Type: GrantFiled: February 10, 1997Date of Patent: October 19, 1999Assignee: Pfizer Inc.Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Sandra Dora Meadows, Donald Stuart Middleton
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Patent number: 5846965Abstract: Compounds of the formula: ##STR1## wherein: X is O, NH or NR.sup.1 ; R.sup.1 is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4)alkyl, aryl or aryl (C.sub.1 -C.sub.4)alkyl; wherein the C.sub.1 -C.sub.6 alkyl group is optionally substituted by fluorine and the C.sub.3 -C.sub.7 cycloalkyl or C.sub.3 -C.sub.7 cycloalkyl(C.sub.1 -C.sub.4 )alkyl group is optionally substituted in the cycloalkyl ring by up to two substituents each independently selected from halo, C.sub.1 -C.sub.4 alkoxy or halo(C.sub.1 -C.sub.4)alkoxy; R.sup.2 is phenyl optionally substituted with one or two halo substituents, indolyl or thienyl; R.sup.3 is NH.sub.2, --NR.sup.4 SO.sub.2 (C.sub.1 -C.sub.6 alkyl), --NR.sup.4 SO.sub.2 aryl, --NR.sup.4 CO(C.sub.1 -C.sub.6 alkyl), --NR.sup.4 CO aryl or a 5 to 7-membered N-linked cyclic group incorporating W in the ring wherein W is O, NR.sup.5, CH(OH), CHCO.sub.2 H, CHN(R.sup.4).sub.2, CHF, CF.sub.2, C.dbd.O or CH.sub.2 ; R.sup.4 is H or C.sub.1 -C.sub.Type: GrantFiled: January 24, 1997Date of Patent: December 8, 1998Assignee: Pfizer Inc.Inventors: Alexander Roderick MacKenzie, Allan Patrick Marchington, Sandra Dora Meadows, Donald Stuart Middleton
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Patent number: 5741790Abstract: The present invention provides compounds of the formula (I): ##STR1## and the pharmaceutically acceptable salts thereof, wherein R is C.sub.3 -C.sub.7 cycloalkyl, aryl or C.sub.1 -C.sub.6 alkyl, said C.sub.1 -C.sub.6 alkyl being optionally substituted by fluoro, --COOH, --COO(C.sub.1 -C.sub.4) alkyl, C.sub.3 -C.sub.7 cycloalkyl, adamantyl, aryl or het.sup.1, and said C.sub.3 -C.sub.7 cycloalkyl being optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, fluoro, fluoro(C.sub.1 -C.sub.4) alkyl and fluoro(C.sub.1 -C.sub.4)alkoxy;R.sup.1 is phenyl, benzyl, naphthyl, thienyl, benzothienyl or indolyl, each optionally substituted by 1 or 2 substituents each independently selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo and trifluoromethyl;R.sup.2 represents various groups;X is C.sub.1 -C.sub.4 alkylene; andX.sup.1 is a direct link or C.sub.1 -C.sub.6 alkylene.Type: GrantFiled: January 27, 1997Date of Patent: April 21, 1998Assignee: Pfizer Inc.Inventors: Alexander Roderick Mackenzie, Allan Patrick Marchington, Donald Stuart Middleton, Sandra Dora Meadows