NaHSO4–SiO2-catalyzed aza-Diels–Alder reaction of o-hydroxybenzaldimines with 2,3-dihydrofuran: Diastereoselective synthesis of furanobenzopyrans

Mulokwe, Pfanelo; Marakalala, Mokgethwa B.; Mabasa, Tommy F.; Kinfe, Henok H.

doi:10.6084/m9.figshare.5464252.v2

lsyc_a_1377257_sm7697.pdf (696.54 kB)

NaHSO₄–SiO₂-catalyzed aza-Diels–Alder reaction of o-hydroxybenzaldimines with 2,3-dihydrofuran: Diastereoselective synthesis of furanobenzopyrans

Version 2 2017-11-30, 21:31

Version 1 2017-10-03, 15:23

journal contribution

posted on 2017-11-30, 21:31 authored by Pfanelo Mulokwe, Mokgethwa B. Marakalala, Tommy F. Mabasa, Henok H. Kinfe

NaHSO₄ supported on silica gel catalyzes the aza-Diels–Alder reaction of o-hydroxybenzaldimines with 2,3-dihydrofuran to provide furanobenzopyrans in reasonable yields and diastereoselectivity. The catalyst is recyclable and reusable up to two times without a significant loss of activity.