One-pot synthesis of 2-amino-3-cyano-4-arylsubstituted tetrahydrobenzo[b]pyrans catalysed by silica gel-supported polyphosphoric acid (PPA-SiO2) as an efficient and reusable catalyst

Bibliographic Details
Main Authors:	Abolghasem Davoodnia (Author), Niloofar Tavakoli-Hoseini (Author), Sadegh Allameh (Author), Samineh Fazli (Author)
Format:	Article
Language:	English

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