Influence of Copper on the Isomerization of Eugenol for As-Synthesized Nicual Ternary

Influence of copper on the isomerization of eugenol for as-synthesized NiCuAl ternary hydrotalcites: An understanding through physicochemical study

C.M. Jinesh1, V. Rives2, D. Carriazo2, Churchil A. Antonyraj1 and S. Kannan1*

1Discipline of Inorganic Materials & Catalysis, Central Salt and Marine Chemicals Research Institute, Council of Scientific and Industrial Research (CSIR), GB Marg, Bhavnagar 364002, India

2GIR-QUESCAT - Departamento de Quimica Inorganica, Universidad de Salamanca, E-37008 Salamanca, Spain

C.M. Jinesh, CSMCRI, India - M.Sc, M.Tech

Prof. V. Rives, Univ. Salamanca, Spain - Ph.D

Dr. D. Carriazo, Univ. Salamanca, Spain - Ph.D

Mr. Churchil A Antonyraj, CSMCRI, India - M.Sc

Dr. S. Kannan, CSMCRI, India - Ph.D

*Manuscript Correspondence:

Dr. S. Kannan

Discipline of Inorganic Materials & Catalysis

Central Salt and Marine Chemicals Research Institute

Bhavnagar 364 002

India

Tel: +91-278-2567760 Ext. 703, FAX: +91-278-2567562

E-mail: ;

Supplementary Information

Table 1S

pH of suspensions made upon mixing NiAl3-HT and CuAl3-HT in DMF at room temperature

Material / pH
DMF / 11.84
NiAl3-HT (250 mg) Stirring after 2 hr / 9.98
NiAl3-HT& CuAl3-HTa / 8.82

a CuAl3-HT (250 mg) is added to NiAl3-HT in DMF solution and stirred for 3.5 h

Material / pH
DMF / 11.80
NiAl3-HT (250 mg) Stirring after 2 hr / 9.94
NiAl3-HT& NiAl3-HTa / 9.40

a NiAl3-HT (250 mg) is added to NiAl3-HT in DMF solution and stirred for 3.5 h

Material / pH
DMF / 11.77
CuAl3-HT (250 mg) Stirring after 2 hr / 10.35
CuAl3-HT& CuAl3-HTa / 10.06

a CuAl3-HT (250 mg) is added to CuAl3-HT in DMF solution and stirred for 3.5 h

Figure 1S

Powder X-ray diffraction patterns of : (a) NiAl3-HT; (b) NiCuAl9802-HT; (c) NiCuAl9505-HT; (d) NiCuAl9010-HT; (e) NiCuAl7525-HT; (f) NiCuAl5050-HT; (g) CuAl3-HT (synthetic hydrotalcite JCPDS: 41-1428).

Figure 2S

GC-MS of the reaction mixture over NiCuAl9010-HT under conditions given in Table 2 and neat ferulic acid

Figure 3S

Scanning electron micrographs of the samples synthesized (the scale bar in all the figures correspond to 1 mm except for NiCuAl5050-HT which is 2 mm).

NiAl3-HT / NiCuAl9802-HT
NiCuAl9505-HT / NiCuAl9010-HT
NiCuAl7525-HT / NiCuAl5050-HT

Figure 4S

Powder X-ray diffraction patterns of NiAl3-HT, NiCuAl9010-HT; NiCuAl7525-HT and NiCuAl5050-HT after the eugenol isomerization reaction (Cu2O JCPDF: 5-667 and Cu JCPDF: 4-836)