Of the two known di-t-butylnaphthalenes, the lower melting one has been shown to have the t-butyl groups in the 2,7- Evidence is presented here to show that the higher melting hydrocarbon has the two t-butyl groups in the 2,6- positions. positions. ... Several earlier workers have shown that the reaction of t-butyl chloride with naphthalene in the presence of various condensing agents gives a mixture of 2-t-butylnaphthalene and two solid products melting at 146' and 80-82'. ...
