5,6-Dihydroxyindole na kεmikכl kכmpawnd wit di mכlikul fכmula C8H7NO2. na intamεdiεt fכ prodyuz di bayolojikal pigmεnt yumelanin.[2] 5,6-Dihydroxyindole de bayosεntez frכm L-dopachrome in wan riakshכn we wan tyrosinase εnzym de katalayz εn i de kכnvכlt mכr to indole-5,6-quinone.[3] pan mכtalman, 5,6-dihaydroksiindol de involv insay di mεtabolik dizכrd hawkinsinuria.[3] insay sכm insekt dεm, 5,6-dihydroxyindole na riaktiv kכmpawnd we dεn de prodyuz as kכmכpכnt fכ difεns rεspכns dεm εn i gεt antibakterial εn antifכngal aktiviti.[4] wan labכtכri sεntesis fכ 5,6-dihaydroksiindol kin kכmכt fכ stat frכm 3,4-dibenzyloxybenzaldehyde.[5] dis kכmpawnd de kכndens wit naytromεtan insay wan Hεnri riakshכn, we dεn de fala naytreshכn, rεdukshכn fכ di naytro grup dεm, εn haydrojεnolaysis fכ di bεnzyl protεkt grup dεm.