One Pot Syn thesis of ۲-Amino-۲ -Chromene Derivatives with Zinc Oxide Nanoparticles as a Reus able Cata lyst

In the last few y ears, literature has hig hlighted the importanc e of nanosized materi als in several scientific and technological are as, and many research councils have intensified investments in nanotechnology for the coming years [۱]. Surface of metal ox ides exhibit both Lewis acid and Lewis base character [۲]. High yield , selectivity and recyclability have been reported for a variety of nanocatalyst based or ganic reactions [۳]. A mong inorganic nanoparticles, the ZnO nanoparticle ha s received great atten tion becau se of its unique catalytic, electric al, electronic, and optic al properties as well as its low c ost and exte nsive applications [۴]. ۲-Amino-۲-chromenes are an imp ortant class of compounds found a s the main components of many na turally occu rring products employed as cosmet ics and pig ments [۵] and utilized as potential biodegradable agrochemi cals [۶].

کلیدواژه ها:

ZnO nanoparticle s ، Aldehyde s ، Chromene ، One- pot Synthesis