Sami Sajjadifar - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran
Ghobad Mansouri - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran
Issa Amini - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran
Maryam Yari - Department of Chemistry, Payame Noor University, PO BOX ۱۹۳۹۵-۴۶۹۷ Tehran, Iran

Silica supported ۱-(۲-(sulfooxy)ethyl)pyridin-۱-ium chloride has been explored as highly efficient catalyst for reactions under mild and green conditions for the synthesis of quinoxaline derivatives. The green and mild methods offer appealing attributes such as use of a recyclable, use of EtOH as green solvent and ۶۰ °C condition, short reaction times, a simple workup and high yield of the products.

Silica supported ۱-(۲-(sulfooxy)ethyl)pyridin-۱-ium chloride, Quinoxaline, Solid acid catalyst, SiO۲/[SEP]Cl, One-pot reaction