A method of treating or preventing at least one condition selected from hyperglycemia, diabetes, altered insulin secretion, insulin resistance, cardiovascular disorder, obesity and metabolic syndrome X in a subject in need thereof, said method comprising administering to said subject compound of general formula (IV):
- wherein
- V1, V2, V3, V4, V5 and V6 are each independently selected from N, C, CH and CR3;
- Y and Z are each independently S or O;
- R1 and R2 are each independently selected from straight or branched C1-C20 alkyl, straight or branched C2-C20 alkenyl, straight or branched C2-C20 alkynyl, each optionally interrupted with at least one NH;
- or wherein R1 and R2 together with Y, Z and the carbon atom connecting them a 5 to 10 membered ring;
- optionally substituted by at least one group selected from straight or branched C1-C10 alkyl, straight or branched C2-C10 alkenyl, straight or branched C2-C10 alkynyl;
- R3 is selected from the group consisting of halogen, straight or branched C1-C20 alkyl, straight or branched C2-C20 alkenyl, straight or branched C2-C20 alkynyl;
- amidyle carboxy, SO2, cabamate, optionally substituted by 1,3-dithian-benzyl.