4-He hui organik koʻikoʻi ʻo Tert-butylpyridine i hoʻohana nui ʻia ma ke ʻano he kumu hindered ikaika a me ka mea hoʻouluulu hoʻoili pae i nā ʻano hana kemika like ʻole a me nā kaʻina hana ʻoihana. Me kona basicity kiʻekiʻe a me ke hinderance steric, lawelawe ia ma ke ʻano he reagent koʻikoʻi i nā ʻoihana lāʻau lapaʻau, agrochemical, a me nā kemika maikaʻi, e kōkua ana i ka synthesis kūpono o nā hui organik like ʻole.