Alkylnaphthalene as base oils are widely applied in the production of high-performance lubricating oils. Here. we report the synthesis of multi-butylnaphthalenes by alkylation of naphthalene and n-butene with trifluoromethanesulfonic acid as catalyst. Trifluoromethanesulfonic acid exhibited excellent catalytic performance with naphthalene conversion. https://fitnessgravesyardes.shop/product-category/bike-seat/