In 2020 RSC ADV published article about ENCAPSULATED GAMMA-FE2O3 NANOPARTICLES; SINGLE-SOURCE PRECURSORS; N-HETEROCYCLIC CARBENES; ARYL CHLORIDES; EFFICIENT CATALYST; HETEROGENEOUS CATALYST; TRANSFER HYDROGENATION; ORGANIC-REACTIONS; CARBON-CARBON; PALLADIUM(II) COMPLEXES in [Sharma, Alpesh K.; Joshi, Hemant; Singh, Ajai K.] Indian Inst Technol Delhi, Dept Chem, New Delhi 110016, India; [Joshi, Hemant] Cent Univ Rajasthan, Dept Chem, Sch Chem Sci & Pharm, NH-8, Ajmer 305817, Rajasthan, India in 2020, Cited 109. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Formula: C12H10O
Nanoparticles layered with palladium(0) were prepared from nano-sized magnetic Fe3O4 by coating it with silica and then reacting sequentially with phenylselenyl chloride under an N-2 atmosphere and palladium(ii) chloride in water. The resulting Fe3O4@SiO2@SePh@Pd(0) NPs are magnetically retrievable and the first example of NPs in which the outermost layer of Pd(0) is mainly held by selenium. The weight percentage of Pd in the NPs was found to be 1.96 by ICP-AES. The NPs were authenticated via TEM, SEM-EDX, XPS, and powder XRD and found to be efficient as catalysts for the C-O and C-C (Suzuki-Miyaura) coupling reactions of ArBr/Cl in water. The oxidation state of Pd in the NPs having size distribution from similar to 12 to 18 nm was inferred as zero by XPS. They can be recycled more than seven times. The main features of the proposed protocols are their mild reaction conditions, simplicity, and efficiency as the catalyst can be separated easily from the reaction mixture by an external magnet and reused for a new reaction cycle. The optimum loading (in mol% of Pd) was found to be 0.1-1.0 and 0.01-1.0 for O-arylation and Suzuki-Miyaura coupling, respectively. For ArCl, the required amount of NPs was more as compared to that needed for ArBr. The nature of catalysis is largely heterogeneous.
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Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem