Back to results
US 11,952,358 B2Granted
Flavan-3-ol analogs and anti-inflammatory activity
AssigneeHong Kong Baptist University
InventorsJun Wang, Zihao Wang, Qingjing Yang, Zhaoxiang Bian
Life of this patent
Estimating the term…
Abstract
Provided herein are compounds useful in the treatment of inflammatory diseases, pharmaceutical compositions comprising the same, and methods of use and preparation thereof. The compounds exhibit inhibitory effects on the expression and secretion of pro-inflammatory cytokines, such as IL-1β, IL-6 and TNF-α.
Claims13
A compound of Formula 1:
- or a pharmaceutically acceptable salt thereof, wherein
- m is a whole number selected from 1-3;
- n is a whole number selected from 1-3;
- p is a whole number selected from 1-2;
- q is a whole number selected from 2-6;
- R1 is
- R2 is —OR, —O(C═O)R7, —O(C═O)OR7, —O(C═O)N(R7)2, or —O(P═O)(OH)2;
- each of R3 and R4 is hydrogen;
- R5 for each instance is independently selected from the group consisting of halide, methyl, chloride, fluoride, and —OCH2OMe;
- R6 for each instance is independently selected from the group consisting of hydrogen, halide, nitrile, nitro, —OR, —SR, —NR2, —(C═O)R, —C(C═O)OR, —(C═O)NR2, —N(R)(C═O)R, —O(C═O)R, —N(R)(C═O)OR, —O(C═O)NR2, —SO2R, —SO2NR2, haloalkyl, perhaloalkyl, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, heteroaryl, —OCH2OMe, and —(CR2)qR8;
- R7 for each instance is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, heteroaryl, and —(CR2)qR8;
- or two instances of R7 taken together form a 5-6 membered cycloalkyl, heterocycloalkyl, or heteroaryl;
- R8 for each instance is independently selected from the group consisting of —OR, —SR, —NR2, —(C═O)R, —(C═O)OR, —(C═O)NR2, —N(R)(C═O)R, —O(C═O)R, —N(R)(C═O)OR, —O(C═O)NR2, —SO2R, and —SO2NR2;
- and
- R for each instance is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, and heteroaryl;
- or two instances of R taken together form a 5-6 membered heterocycloalkyl or heteroaryl;
- or
- a compound of Formula 2:
- or a pharmaceutically acceptable salt thereof, wherein
- m is a whole number selected from 1-2;
- q is a whole number selected from 2-6;
- R1 is
- or propyl;
- R2 is —OR, —O(C═O)R7, —O(C═O)OR7, —O(C═O)N(R7)2, or —O(P═O)(OH)2;
- R5 for each instance is independently selected from the group consisting of hydrogen, halide, nitrile, nitro, —OR, —NR2, haloalkyl, perhaloalkyl, alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, —OCH2OMe, and —(CR2)qR8;
- R6 for each instance is independently selected from the group consisting of hydrogen, halide, nitrile, nitro, —OR, —NR2, haloalkyl, perhaloalkyl, alkyl, cycloalkyl, aryl, heterocycloalkyl, heteroaryl, —OCH2OMe, and —(CR2)qR8;
- R7 for each instance is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, heteroaryl, and —(CR2)qR8;
- or two instances of R7 taken together form a 5-6 membered cycloalkyl, heterocycloalkyl, or heteroaryl;
- R8 for each instance is independently selected from the group consisting of —OR, —SR, —NR2, —(C═O)R, —(C═O)OR, —(C═O)NR2, —N(R)(C═O)R, —O(C═O)R, —N(R)(C═O)OR, —O(C═O)NR2, —SO2R, and —SO2NR2;
- and
- R for each instance is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heterocycloalkyl, and heteroaryl;
- or two instances of R taken together form a 5-6 membered heterocyloalkyl or heteroaryl.
29 more elements
Dependencies are inferred from the claim text.