| 摘要 |
The present invention provides compounds of formula (1), wherein X is selected from the group consisting (a), (b), (c), (d), (e) or (f); Y is thio, oxy or a methylene group; Z is hydrogen or -C(O)-(CH 2)m-Q, wherein Q is hydrogen or -COOH and m is an integer 1, 2, 3 or 4; R1is C1- C6alkyl; and R2, R 3and R4are each independently hydrogen or C1-C6alkyl; or a stereoisomer thereof; useful for the treatment of atherosclerosis and chronic inflammatory disorders; for inhibiting cytokine-induced expression of VCAM-1 and/or ICAM-1; for inhibiting the peroxidation of LDL lipid; for lowering plasma cholesterol; and as anti-oxidant chemical additives useful for preventing oxidative deterioration in organic materials.
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