Patents by Inventor Xiangqun Xie
Xiangqun Xie 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: 11560352Abstract: A compound, or a pharmaceutically acceptable salt thereof, having a formula I of: wherein Ar is an arylene or heteroarylene; R1 has a structure of: wherein W is an alkanediyl, alkenediyl, a carbonyl, or a combination thereof; X is —NR5—, wherein R5 is H or an alkyl, or —O—; and Y is optionally-substituted cycloalkyl, optionally-substituted cycloalkyl-substituted alkyl, optionally-substituted heterocycloalkyl, or optionally-substituted heterocycloalkyl-substituted alkyl; each R2 is the same or different and has a structure of: wherein Z is —NR6—, wherein R6 is H or an alkyl, —O—, —S—, or —CH2—; Z1 is (—CH2-)m wherein m is 0 to 5, or an alkenediyl having 2 to 6 carbon atoms; Cy is a 3-8-membered cycloalkyl, heterocycloalkyl, aryl or heteroaryl ring; and each R4 is the same or different and is selected from hydroxy, halogen, substituted or unsubstituted alkoxy, substituted or unsubstituted alkyl, or amino; and c is 0 to 5; and each R3 is the same or different and is selected from hyType: GrantFiled: July 29, 2020Date of Patent: January 24, 2023Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventor: Xiangqun Xie
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Publication number: 20210009506Abstract: A compound, or a pharmaceutically acceptable salt thereof, having a formula I of: wherein Ar is an arylene or heteroarylene; R1 has a structure of: wherein W is an alkanediyl, alkenediyl, a carbonyl, or a combination thereof; X is —NR5—, wherein R5 is H or an alkyl, or —O—; and Y is optionally-substituted cycloalkyl, optionally-substituted cycloalkyl-substituted alkyl, optionally-substituted heterocycloalkyl, or optionally-substituted heterocycloalkyl-substituted alkyl; each R2 is the same or different and has a structure of: wherein Z is —NR6—, wherein R6 is H or an alkyl, —O—, —S—, or —CH2—; Z1 is (—CH2-)m wherein m is 0 to 5, or an alkenediyl having 2 to 6 carbon atoms; Cy is a 3-8-membered cycloalkyl, heterocycloalkyl, aryl or heteroaryl ring; and each R4 is the same or different and is selected from hydroxy, halogen, substituted or unsubstituted alkoxy, substituted or unsubstituted alkyl, or amino; and c is 0 to 5; and each R3 is the same or different and is selected from hyType: ApplicationFiled: July 29, 2020Publication date: January 14, 2021Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventor: Xiangqun Xie
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Patent number: 10759739Abstract: A compound, or a pharmaceutically acceptable salt thereof, having a formula I of: wherein Ar is an arylene or heteroarylene; R1 has a structure of: wherein W is an alkanediyl, alkenediyl, a carbonyl, or a combination thereof; X is —NR5—, wherein R5 is H or an alkyl, or —O—; and Y is optionally-substituted cycloalkyl, optionally-substituted cycloalkyl-substituted alkyl, optionally-substituted heterocycloalkyl, or optionally-substituted heterocycloalkyl-substituted alkyl; each R2 is the same or different and has a structure of: wherein Z is —NR6—, wherein R6 is H or an alkyl, —O—, —S—, or —CH2—; Z1 is (—CH2—)m wherein m is 0 to 5, or an alkenediyl having 2 to 6 carbon atoms; Cy is a 3-8-membered cycloalkyl, heterocycloalkyl, aryl or heteroaryl ring; and each R4 is the same or different and is selected from hydroxy, halogen, substituted or unsubstituted alkoxy, substituted or unsubstituted alkyl, or amino; and c is 0 to 5; and each R3 is the same or different and is selected from hydroxType: GrantFiled: June 7, 2016Date of Patent: September 1, 2020Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventor: Xiangqun Xie
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Publication number: 20180265452Abstract: A compound, or a pharmaceutically acceptable salt thereof, having a formula I of: wherein Ar is an arylene or heteroarylene; R1 has a structure of: wherein W is an alkanediyl, alkenediyl, a carbonyl, or a combination thereof; X is —NR5—, wherein R5 is H or an alkyl, or —O—; and Y is optionally-substituted cycloalkyl, optionally-substituted cycloalkyl-substituted alkyl, optionally-substituted heterocycloalkyl, or optionally-substituted heterocycloalkyl-substituted alkyl; each R2 is the same or different and has a structure of: wherein Z is —NR6—, wherein R6 is H or an alkyl, —O—, —S—, or —CH2—; Z1 is (—CH2—)m wherein m is 0 to 5, or an alkenediyl having 2 to 6 carbon atoms; Cy is a 3-8-membered cycloalkyl, heterocycloalkyl, aryl or heteroaryl ring; and each R4 is the same or different and is selected from hydroxy, halogen, substituted or unsubstituted alkoxy, substituted or unsubstituted alkyl, or amino; and c is 0 to 5; and each R3 is the same or different and is selected from hyType: ApplicationFiled: June 7, 2016Publication date: September 20, 2018Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventor: Xiangqun Xie
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Patent number: 9624235Abstract: A method for treating a neoplasm in a subject, comprising co-administering to the subject a therapeutically effective amount of an anticancer agent and a substituted 6,7-methylenedioxy-4-amino-quinoline, or a pharmaceutically acceptable salt or ester thereof.Type: GrantFiled: January 29, 2013Date of Patent: April 18, 2017Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Barry I. Gold, Xiangqun Xie, Ajay Srinivasan, LiRong Wang
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Publication number: 20140371259Abstract: A method for treating a neoplasm in a subject, comprising co-administering to the subject a therapeutically effective amount of an anticancer agent and a substituted 6,7-methylenedioxy-4-amino-quinoline, or a pharmaceutically acceptable salt or ester thereof.Type: ApplicationFiled: January 29, 2013Publication date: December 18, 2014Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventors: Barry I. Gold, Xiangqun Xie, Ajay Srinivasan, LiRong Wang
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Patent number: 8466131Abstract: A compound of Formula I: (I) has activity as a cannabinoid receptor antagonist. In Formula 1, R1 is unsubstituted or substituted aryl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted aralkyl, or unsubstituted or substituted heteroaryl; R2 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl, or unsubstituted or substituted heteroaryl; and R3 is unsubstituted or substituted alkyl, unsubstituted or substituted aralkyl, or unsubstituted or substituted heteroaralkyl; with the proviso that at least one of Ri and R3 is other than unsubstituted aralkyl or R2 is other than unsubstituted aryl.Type: GrantFiled: October 31, 2008Date of Patent: June 18, 2013Assignee: University of Pittsburgh—of the Commonwealth System of Higher EducationInventors: Xiangqun Xie, Jianzhong Chen, Yuxun Zhang
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Publication number: 20110118214Abstract: A compound of Formula I: (I) has activity as a cannabinoid receptor antagonist. In Formula 1, R1 is unsubstituted or substituted aryl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted aralkyl, or unsubstituted or substituted heteroaryl; R2 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl, or unsubstituted or substituted heteroaryl; and R3 is unsubstituted or substituted alkyl, unsubstituted or substituted aralkyl, or unsubstituted or substituted heteroaralkyl; with the proviso that at least one of Ri and R3 is other than unsubstituted aralkyl or R2 is other than unsubstituted aryl.Type: ApplicationFiled: October 31, 2008Publication date: May 19, 2011Inventors: Xiangqun Xie, Jianzhong Chen, Yuxun Zhang