Regioselective synthesis of 2- and 3-alkyl-5-hydroxyquinizarins
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 16,p. 712-713
- https://doi.org/10.1039/c39780000712
Abstract
Condensation of leuco-5-hydroxyquinizarin with aldehydes in the Marschalk reaction leads to 2-alkyl-5-hydroxyquinizarins while condensation catalysed by piperidinium acetate yields the 3-alkyl derivatives.This publication has 0 references indexed in Scilit: