537010-97-2Relevant academic research and scientific papers
Palladium oxide-decorated mesoporous silica on graphene oxide nanosheets as a heterogeneous catalyst for the synthesis of β-substituted indole derivatives
Sah, Digvijay,Shabir, Javaid,Surabhi,Gupta, Padmini,Mozumdar, Subho
, p. 5644 - 5658 (2021)
In this work, an efficient and facile strategy has been adopted for the stepwise synthesis of the RGO-MSiO2/PdO hybrid nanomaterial (HY-NM). Herein, a hybrid nanostructure of mesoporous silica over graphene oxide (GO) sheets has been developed
Heterogenization of amine-functionalized ionic liquids using graphene oxide as a support material: A highly efficient catalyst for the synthesis of 3-substituted indoles: Via Yonemitsu-type reaction
Garkoti, Charu,Shabir, Javaid,Gupta, Padmini,Sharma, Manisha,Mozumdar, Subho
, p. 15545 - 15554 (2017/12/15)
In the present study, heterogenization of amine-functionalized ionic liquids was developed via covalent immobilization of 2-chloroethylamine on imidazole modified graphene oxide (GO) sheets. The prepared material was characterized by various physicochemical techniques such as Fourier transform infrared spectroscopy (FT-IR), powder X-ray diffraction (XRD), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) spectroscopy. The prepared material was employed as an efficient heterogeneous catalyst for the synthesis of 3-substituted indoles via Yonemitsu-type reaction. The catalyst could be easily separated from the reaction mixture through centrifugation and could be reused for seven consecutive cycles without any appreciable loss in its catalytic activity.
Three-component reactions of aromatic aldehydes and two different nucleophiles and their leaving ability-determined downstream conversions of the products
Li, Minghao,Taheri, Amir,Liu, Meng,Sun, Shaohuan,Gu, Yanlong
, p. 537 - 556 (2014/05/20)
Many three-component reactions of aromatic aldehydes with activated methylene derivatives and an associated nucleophile have been developed by using l-proline as the catalyst. Nucleophiles, such as indoles, thiophenols, mercaptans, 2-methylfuran and benze
