3 page summary needed

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timer Asked: May 5th, 2018
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CAN ANY OF YOU WRITE 3 PAGES SUMMARY OF THE BELOW ATTACHED FILE ,BASICALLY ITS PARAPHRASING OR REWRITING, I NEED IT WITHIN 15 HRS

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  Polymer  Immobilised  Ionic  Liquid  Phase  materials  (PIILP)    The  concept  of  Polymer  Immobilised  Ionic  Liquid  Phase  materials  (PIILP)  is  one  which  is  beginning   to  attract  much  interest  among  research  groups  desiring  a  SILP  like  system  which  aids  catalyst   recovery  and  recycling,  whilst  addressing  the  issue  of  leaching  of  the  IL  from  the  support  material.   The   system   does   so   by   incorporating   IL-­‐like   fragments   within   a   polymer   structure,   thereby   preventing   them   from   being   lost   via   leaching   into   the   surrounding   conventional   solvent   whilst   having  the  added  advantage  of  being  able  to  design  cross-­‐linked  polymer  networks  to  encapsulate   the  active  species.         2018-­‐     Palladium nanoparticles stabilized by lightly cross-linked phosphine-decorated polymer immobilized ionic liquids (PIIL) and their PEGylated counterparts (PEGPIIL) are highly effective catalysts for the aqueous phase hydrogenation and sodium borohydride-based reduction of a wide range of nitroaromatic and heteroaromatic compounds under mild conditions with low catalyst loadings. Introduction of extensive cross-linking with tris(4vinylphenyl)phosphine to isolate the phosphine-based heteroatom and limit the number of surface Pd----P interactions did not have a significant influence on catalyst performance. Comparative testing revealed PdNPs immobilized on lightly cross-linked phsophine-decoarted PEGylated polymer to be a highly efficient catalyst for the aqueous phase reduction of nitroarenes with a TON of 36,000 (TOF = 2,580 h-1) for hydrogenation and a TON of 274,000 (TOF = 17,125 h-1) for transfer hydrogenation. Even though these reactions occur under diffusion control due the poor solubility of the substrate these values are the highest to be reported for the room temperature aqueous phase reduction of nitroarenes catalyzed by a nanoparticle-based system. A continuous flow reduction of nitrobenzene in a packed bed reactor operated over a period of 250 min with no sign of catalyst deactivation and the corresponding space-time-yield of 0.738 g L-1 min-1 is a marked improvement on that of 0.384 g L-1 min-1 obtained in batch. The same system also catalyzes a tandem Suzuki-Miyaura cross coupling-nitroarene reduction sequence to afford high yields of biaryl amine in an operationally straightforward single-pot procedure. This is a highly versatile protocol which will enable the aromatic nitro fragment to be introduced as a nitro-substituted aryl or heteroaryl halide and as such will lend itself to rapid diversification for the synthesis of a wide range of amines. 2017- 1 Palladium nanoparticles stabilized by lightly cross-linked phosphine-decorated polymer immobilized ionic liquids (PIIL) and their PEGylated counterparts (PEGPIIL) are highly effective catalysts for the aqueous phase hydrogenation and sodium borohydride-based reduction of a wide range of nitroaromatic and heteroaromatic compounds under mild conditions with low catalyst loadings. Introduction of extensive cross-linking with tris(4vinylphenyl)phosphine to isolate the phosphine-based heteroatom and limit the number of surface Pd----P interactions did not have a significant influence on catalyst performance. Comparative testing revealed PdNPs immobilized on lightly cross-linked phsophine-decoarted PEGylated polymer to be a highly efficient catalyst for the aqueous phase reduction of nitroarenes with a TON of 36,000 (TOF = 2,580 h-1) for hydrogenation and a TON of 274,000 (TOF = 17,125 h-1) for transfer hydrogenation. Even though these reactions occur under diffusion control due the poor solubility of the substrate these values are the highest to be reported for the room temperature aqueous phase reduction of nitroarenes catalyzed by a nanoparticle-based system. A continuous flow reduction of nitrobenzene in a packed bed reactor operated over a period of 250 min with no sign of catalyst deactivation and the corresponding space-time-yield of 0.738 g L-1 min-1 is a marked improvement on that of 0.384 g L-1 min-1 obtained in batch. The same system also catalyzes a tandem Suzuki-Miyaura cross coupling-nitroarene reduction sequence to afford high yields of biaryl amine in an operationally straightforward single-pot procedure. This is a highly versatile protocol which will enable the aromatic nitro fragment to be introduced as a nitro-substituted aryl or heteroaryl halide and as such will lend itself to rapid diversification for the synthesis of a wide range of amines.                            2017-­‐2-­‐   Phosphino-decorated polymer immobilised ionic liquid phase stabilised palladium nanoparticles (PdNP@PPh2-PIILP) and its PEGylated counterpart (PdNP@PPh2-PEGPIILP) are remarkably active and exceptionally selective catalysts for the aqueous phase hydrogenation of a,b-unsaturated aldehydes, ketones, esters and nitriles with PdNP@PPh2-PEGPIILP giving complete conversion and 100% selectivity for reduction of the C=C bond, under mild conditions. This is the most selective PdNP-based system to be reported for the aqueous phase hydrogenation of this class of substrate. ...
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Dr_Schrodinger
School: Carnegie Mellon University

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Anonymous
Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable.

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