Abstract: Compounds of formula (I): wherein: R1 represents an alkyl, cycloalkyl or cycloalkylalkyl group, R2 represents a linear or branched (C1-C6)alkyl group, and n represents from 1 to 6. Medicaments.

Abstract: Compounds of formula (I): wherein: R1 represents an alkyl, cycloalkyl or cycloalkylalkyl group, R2 and R3, together with the nitrogen atom carrying them, form a heterocycle having from 5 to 8 ring members, and n represents from 2 to 6. Medicinal products containing the same which are useful in treating disorders of the to melatoninergic system.

Abstract: Compounds of formula (I): wherein: R1 represents an alkyl, cycloalkyl or cycloalkylalkyl group, R2 represents a linear or branched (C1-C6)alkyl group, and n represents from 1 to 6.

Abstract: 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.

Abstract: Compound of formula (I): wherein: Het1 and Het2, which may be identical or different, each represents an optionally substituted pyridyl, A represents a bond or linear or branched (C1-C6)alkylene, its optical isomers, where they exist, and addition salts thereof with a pharmaceutically acceptable acid.

Abstract: Compound of formula (I): 1

Abstract: A compound of formula (I): ##STR1## in which: R.sub.1 represents alkyl,R.sub.2, R.sub.4 and R.sub.5, which may be identical or different, represent hydrogen or alkyl,R.sub.3 represents any one of the groups as defined in the description,X represents carbonyl or methylene,Y represents hydrogen or alkyl or aryl,A represents single bond or alkylphenyl,R.sub.6 represents any one of the groups as defined in the description, its isomers as well as its addition salts with a pharmaceutically acceptable acid or base,and medicinal productes containing the same are useful in the treatment of diabetes and complications of diabetic disease.

Abstract: Compounds of the general formula: ##STR1## wherein m, X, Y, A, R.sub.2 and R.sub.3 are defined in the description, and medicaments containing the same.

Abstract: Compounds of the general formula: ##STR1## wherein m, X, Y, A, R.sub.2 and R.sub.3 are defined in the description.