ChemInform Abstract: The SBA‐15/SO₃H Nanoreactor as a Highly Efficient and Reusable Catalyst for Diketene‐Based, Four‐Component Synthesis of Polyhydroquinolines and Dihydropyridines under Neat Conditions.

Abstract

A facile four component synthesis of title compounds (V) and (VI) involving a diketene ring-opening reaction is reported using mesoporous sulfonic acid modified silica (SBA-15) as reusable catalyst. -(ROSTAMNIA*, S.; POURHASSAN, F.; Chin. Chem. Lett. 24 (2013) 5, 401-403, http://dx.