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Nader NoshiranZadeh

Nader Noshiranzadeh and Ali  Ramazani
Reaction between ortho-hydroxy aromatic aldehydes and dialkyl acetylenedicarboxylates in the presence of silica gel in solvent-free conditions: an efficient method for the synthesis of electron-poor aryl vinyl ethers and chromenes

A two-component condensation reaction between an ortho-hydroxy aromatic aldehyde and an electron-poor acetylenic ester efficiently provides fully substituted electron-poor aryl vinyl ethers and chromenes in a one-pot reaction in the presence of silica-gel in solvent-free conditions.



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