106031-63-4Relevant articles and documents
An Efficient Synthesis of Benzofluorenes Via α-Alkoxycarbonyldiarylmethyl Cations
Hopkinson, A. C.,Lee-Ruff, E.,Maleki, M.
, p. 366 - 371 (2007/10/02)
Rearrangement of α-alkoxycarbonyldiarylmethyl cations lead to 9-fluorenecarboxylic esters.Decarboxylation of these esters generates the fluorene derivatives 9a-f.The precursors to the cations are the α-hydroxyesters 6a-g.This conversion constitutes a facile synthesis of benzofluorenes.