Novel 3-aryl-2,5-dihydroxy-1,4-benzoquinone derivatives, their preparation method and pharmaceutical compositions containing same
Compound of formula (I): wherein: R1 and R2, which may be identical or different, each represents hydrogen, acyl or alkyl, Ar represents aryl or heteroaryl, A represents a group selected from: R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, aryl or heteroaryl, R3 represents aryl, het...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Compound of formula (I): wherein: R1 and R2, which may be identical or different, each represents hydrogen, acyl or alkyl, Ar represents aryl or heteroaryl, A represents a group selected from: R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, aryl or heteroaryl, R3 represents aryl, heteroaryl, dicyclopropylmethyl or benzhydryl, or A-R3 represents an optionally substituted naphthyl group, with the exclusion of 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-phenylethenyl)-1,4-benzoquinone, 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-naphthyl)-1,4-benzoquinone and 2,5-dihydroxy-3-(2-naphthyl)-6-phenyl-1,4-benzoquinone. Medicinal products containing the same which are useful in the treatment of diseases associated with a deregulation of glycaemia. |
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