TY - JOUR ID - 20725 TI - One-pot synthesis of benzopyranophenazines using graphene oxide dichlorotriazine (GO-DCT) under microwave irradiations JO - Scientia Iranica JA - SCI LA - en SN - 1026-3098 AU - Safaei-Ghomi, Javad AU - Tavazo, Maryam AU - Shahbazi-Alavi, Hossein AD - Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, P.O. Box 87317-51167, I. R. Iran AD - Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, P.O. Box 87317-51167 AD - Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Y1 - 2018 PY - 2018 VL - 25 IS - 6 SP - 3322 EP - 3330 KW - Graphene oxide KW - Pyranophenazines KW - Nanocatayst KW - microwave DO - 10.24200/sci.2018.5606.1371 N2 - An efficient synthesis of benzopyranophenazines has been presented by one-pot four-component reaction of hydroxynaphthoquinone, o-phenylenediamine, benzaldehydes and malononitrile with graphene oxide dichlorotriazine (GO-DCT) as an efficient nanocatalyst under microwave irradiation in ethanol. The catalyst has been characterized by Fourier-transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), Energy Dispersive Spectroscopy (EDS), Atomic force microscopy (AFM) and scanning electron microscopy (SEM). Atom economy, experimental simplicity, wide range of products, low amount of catalyst loading, the reusability of the catalyst, excellent yields in short reaction times and applying the microwave methodology as an efficient and green method are some of the substantial features of this method. UR - https://scientiairanica.sharif.edu/article_20725.html L1 - https://scientiairanica.sharif.edu/article_20725_037b88abd6517e518cce4a5e426488ae.pdf ER -