highly efficient and chemoselective transfer hydrogenation of

16
Highly efficient and chemoselective transfer hydrogenation of nitroarenes at room temperature over magnetically separable Fe-Ni bimetallic nanoparticles Dhananjay R. Petkar, Brijesh S. Kadu, Rajeev C. Chikate* Nanoscience Group, Department of Chemistry, Post-graduate and Research Centre, MES Abasaheb Garware College, Karve Road, Pune 411004, India * Corresponding author phone: 91-20-41038263: fax: 91-20-25438165; email: [email protected] Total number of pages: 16 Total number of figures: 3 (Figure S1 – S3) Total number of tables: 1 (Table T1) Electronic Supplementary Material (ESI) for RSC Advances This journal is © The Royal Society of Chemistry 2013

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Page 1: Highly efficient and chemoselective transfer hydrogenation of

Highly efficient and chemoselective transfer hydrogenation of nitroarenes

at room temperature over magnetically separable Fe-Ni bimetallic

nanoparticles

Dhananjay R. Petkar, Brijesh S. Kadu, Rajeev C. Chikate*

Nanoscience Group, Department of Chemistry, Post-graduate and Research Centre, MES

Abasaheb Garware College, Karve Road, Pune 411004, India

*Corresponding author phone: 91-20-41038263: fax: 91-20-25438165; email:

[email protected]

Total number of pages: 16

Total number of figures: 3 (Figure S1 – S3)

Total number of tables: 1 (Table T1)

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 2: Highly efficient and chemoselective transfer hydrogenation of

Figure S1: TEM image of Fe-Ni NP’s.

50 nm

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 3: Highly efficient and chemoselective transfer hydrogenation of

Figure S2: Effect of Fe-Ni NP’s loading on reduction of nitrobenzene.

0

20

40

60

80

100

120

0 2 4 6 8 10 12

% C

onve

rsio

n

Amount of Catalyst (mol%)

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 4: Highly efficient and chemoselective transfer hydrogenation of

Figure S3: GC-MS of CTH reactions carried out with Fe-Ni NP’s with NaBH4 at ambient

conditions.

GC of standard nitrobenzene

GC of standard aniline

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 5: Highly efficient and chemoselective transfer hydrogenation of

1. Nitrobenzene to aniline (reaction carried out in methanol)

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 6: Highly efficient and chemoselective transfer hydrogenation of

Nitrobenzene to aniline (reaction carried out in water)

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 7: Highly efficient and chemoselective transfer hydrogenation of

2. o-nitrotoluene to o-toludine

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 8: Highly efficient and chemoselective transfer hydrogenation of

3. p-nitrotoluene to p-toludine

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 9: Highly efficient and chemoselective transfer hydrogenation of

4. p-nitrobenzoic acid to p-aminobenzoic acid

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 10: Highly efficient and chemoselective transfer hydrogenation of

5. p-nitrophenol to p-aminophenol

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 11: Highly efficient and chemoselective transfer hydrogenation of

6. m-dinitrobenzene to m-nitroaniline

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 12: Highly efficient and chemoselective transfer hydrogenation of

7. 1-(chloromethyl)-4-nitrobenzene to 4-(chloromethyl) aniline

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 13: Highly efficient and chemoselective transfer hydrogenation of

8. 1-(bromomethyl)-4-nitrobenzene to 4-(bromomethyl)aniline

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 14: Highly efficient and chemoselective transfer hydrogenation of

9. 4-nitrobenzonitrile to 4-aminobenzonitrile

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 15: Highly efficient and chemoselective transfer hydrogenation of

10. methyl cinnamate to methyl 3-phenylpropanoate

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013

Page 16: Highly efficient and chemoselective transfer hydrogenation of

Table T1: Hydrogenation of nitrobenzene using nickel nanoparticles and nZVI with NaBH4

at ambient conditions.

Catalyst Substrate Product Time Yield (%)

Ni NP’s

NO2

NH2

1 h NR

Fe NP’s

NO2

NH2

4 h 49.86

*NR – no reaction

Electronic Supplementary Material (ESI) for RSC AdvancesThis journal is © The Royal Society of Chemistry 2013