Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5764
Title: (-)-Epigallocatechin gallate derivatives for inhibiting proteasome
Authors: Chan, TH 
Lam, WH
Chow, LMC 
Dou, QP
Kuhn, DJ
Kazi, A
Wan, SB
Landis-Piwowar, KR
Issue Date: 5-Jun-2012
Source: US Patent 8,193,377 B2. Washington, DC: US Patent and Trademark Office, 2012. How to cite?
Abstract: (-)-EGCG, the most abundant catechin, was found to be chemopreventive and anticancer agent. However, (-)-EGCG has at least one limitation: it gives poor bioavailability. This invention provides compounds of generally formulae below, wherein R₁₁, R₁₂, R₁₃, R₂₁, R₂₂, R₂, R₃, and R₄ are each independently selected from the group consisting of --H, and C₁ to C₁₀ acyloxyl group; and R₅ is selected from the group consisting of --H, C₁-C₁₀-alkyl, C₂-C₁₀-alkenyl, C₂-C₁₀-alkynyl, C₃-C₇-cycloalkyl, phenyl, benzyl and C₃-C₇-cycloalkenyl, whereas each of the last mentioned 7 groups can be substituted with any combination of one to six halogen atoms; at least one of R₁₁, R₁₂, R₁₃, R₂₁, R₂₂, R₂, R₃ and R₄ is --H, which were found to be more potent than their non-protected counterparts, which can be used as proteasome inhibitors to reduce tumor cell growth.
URI: http://hdl.handle.net/10397/5764
Rights: Assignee: The Hong Kong Polytechnic University.
Assignee: Wayne State University.
Assignee: University of South Florida.
Appears in Collections:Patent

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