C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 307/79 (2006.01) C07C 43/23 (2006.01) C07C 47/277 (2006.01) C07C 69/017 (2006.01) C07C 69/035 (2006.01) C07C 69/78 (2006.01) C07D 307/94 (2006.01) C07D 309/12 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2147263
Compounds represented by the general formula (I), as well as intermediates for the synthesis of thereof: (see formula I) where R1 is a hydrogen atom or an acyl group; R2 is a lower alkyl group; R3 is a hydrogen atom or a lower alkyl group; R4, R5 and R6, which may be the same or different, are a hydrogen atom or an optionally substituted alkyl, alkenyl, alkynyl or aryl group; R2 and R4, when taken together, may form a 5-membered ring; R5 and R6, when taken together, may form a cycloalkyl group or a heterocyclic group in which at least one methylene on the ring of a cycloalkyl group is substituted by an oxygen atom, a sulfur atom or an alkyl-substituted nitrogen atom, provided that R6 is not present if the ring formed by R2 and R4 taken together is a benzofuran ring. The compounds represented by the general formula (I) have a highly selective anti-oxidative activity and are useful as therapeutics of ischemic diseases such as arteriosclerosis and myocardial infarction.
Cynshi Osamu
Kato Yoshiaki
Ohba Yasuhiro
Tamura Kunio
Yoshida Mitsutaka
Chugai Seiyaku Kabushiki Kaisha
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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