Abstract
4-Hydroxymethyl derivatives of 1,8-bis(dimethylamino)- and 1,8-diiiiethoxynaphthalenes undergo cyclodirnerization on alumina to form symmetrical spir0, compounds of the “head-to-tail” type. The reaction is considered to be a two-step electrophilic substitution with the participation of naphthyhiiethyl carbocations.
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Translated fromIzvestiya Akademii Nauk, Seriya Khitnicheskaya, No. 4, pp, 1016–1018, April, 1996.
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Pozharskii, A.F., Vistorobskii, N.V. Alumina-catalyzed cyclodimerization of 4-hydroxymethyl derivatives of 1,8-bis(dimethylamino)- and 1,8-dimethoxynaphthalenes to symmetrical spiro compounds. Russ Chem Bull 45, 971–973 (1996). https://doi.org/10.1007/BF01431337
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DOI: https://doi.org/10.1007/BF01431337