221349-12-8Relevant articles and documents
Catalytic performance of heteropolyacids as efficient and eco-friendly catalysts for the one-pot synthesis of benzopyran derivatives
Zakeri, Masoumeh,Heravi, Majid M.,Oskooie, Hossein A.,Bamoharram, Fatemeh F.
, p. 916 - 921 (2010)
An efficient and improved procedure for the synthesis of benzopyran derivatives has been achieved with Keggin-type and Preyssler-type heteropolyacids (HPA) catalysts in one-pot reaction under solvent-free conditions. Copyright Taylor & Francis Group, LLC.