| Yazarlar |
Talat Baran
Aksaray Üniversitesi, Türkiye |
|
İdris Sargın
|
|
Murat Kaya
Aksaray Üniversitesi, Türkiye |
|
Ayfer Menteş
Aksaray Üniversitesi, Türkiye |
Prof. Dr. Talip ÇETER
Kastamonu Üniversitesi, Türkiye |
| Özet |
| Bio-based catalyst support materials with high thermal and structural stability are desired for catalysts systems requiring harsh conditions. In this study, a thermally stable palladium catalyst (up to 440 °C) was designed from sporopollenin, which occurs naturally in the outer exine layer of pollens and is widely acknowledged as chemically very stable and inert biological material. Catalyst design procedure included (1) extraction of sporopollenin microcapsules from Betula pendula pollens (∼25 μm), (2) amino-functionalisation of the microcapsules, (3) Schiff base modification and (4) preparation of Pd(II) catalyst. The catalytic activity of the sporopollenin microcapsule supported palladium catalyst was tested in catalysis of biaryls by following a fast, simple and green microwave-assisted method. We recorded outstanding turnover number (TON: 40,000) and frequency (TOF: 400,000) for the catalyst in Suzuki coupling reactions. The catalyst proved to be reusable at least in eight cycles. The catalyst can be suggested for different catalyst systems due to its thermal and structural durability, reusability, inertness to air and its eco-friendly nature. |
| Anahtar Kelimeler |
| Suzuki coupling reaction,Schiff base,Silylation,Betula pendula,Pollen |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | JOURNAL OF COLLOID AND INTERFACE SCIENCE |
| Dergi ISSN | 0021-9797 |
| Dergi Tarandığı Indeksler | SCI |
| Makale Dili | İngilizce |
| Basım Tarihi | 01-2017 |
| Cilt No | 486 |
| Sayfalar | 194 / 203 |
| Doi Numarası | 10.1016/j.jcis.2016.09.071 |
| Atıf Sayıları | |
| WoS | 61 |
| SCOPUS | 59 |
