Synthesis of fluorenes and their related compounds from biaryls and Meldrum's acid derivatives?

Chemical Communications Pub Date: 2021-12-14 DOI: 10.1039/D1CC06212C

Abstract

A new synthetic method for preparing fluorenes from amino group-containing biaryls and Meldrum's acid derivatives was developed. The reaction proceeded without a catalyst and loss of functional groups. The corresponding six- and seven-membered cyclic products were obtained using biaryl ether and ortho-terphenyl as substrates, respectively.

Graphical abstract: Synthesis of fluorenes and their related compounds from biaryls and Meldrum's acid derivatives
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