In 1856 Kekulé noqday Privatdozent at Jaamacadda Heidelberg. In 1858 waxaa loo shaqaaleysiiyay sida professor buuxa ee Jaamacadda Ghent, ka dibna in 1867 waxaa loogu yeeray Bonn, halkaas oo uu ku hadhay inta ka dhiman xirfadiisa. Iyada oo ku saleysan fikradaha uu ku saabsan kuwa ka horreeyay sida Williamson, Edward Frankland, William Odling, Auguste Laurent, Charles-Adolphe Wurtz iyo kuwa kale, Kekulé ahaa formulator ugu weyn ee aragtida qaab dhismeedka kiimikada (1857<unk>58). aragti Tani waxay ka timaadaa fikradda ah valence atomic, gaar ahaan tetravalence ee carbon (taas Kekulé ku dhawaaqday dabayaaqadii 1857) iyo awoodda carbon atoms in ay isku xidhmaan midba midka kale (oo lagu daabacay warqad 1858), si toos ah loo shaqaaleysiiyay sida go'aaminta bond ee dhammaan atoms ee molecule organic.
qaab dhismeedka kiimikada