Mannich-type reactions in water Inorganic Hybrids ... · 1 SupportingefficientInformation for...
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Supporting Information for
H3PW12O40 supported on Functionalized Polyoxometalates Organic–
Inorganic Hybrids Nanoparticles as efficient catalysts for three-component
Mannich-type reactions in water
Roushan Khoshnavazia, Leila Bahrami,a Forugh Havasi,a Elham Naseria
aDepartment of chemistry, University of Kurdistan P.O. Box 66135-416, Sanandaj, Iran
FT-IR, 1H NMR, 13C NMR and Mass spectra of new organic products
Corresponding Author: E-mail address :[email protected], [email protected], (R. Khoshnavazi)Fax/Tel: +98 871 6624133
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2017
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Detailed XRD analysis
XRD patterns of starting materials of β-SiW9O3410- (Fig. Sa) and PDA are crystalline in the
solid state, while X-ray powder diffractions show that HybPOM is typical amorphous state,
implying that the hybrid materials have less-ordered structures (Fig. Sb). However, it can see
XRD of HybPOM contain XRD pattern of both β-SiW9O3410- and PPD. X-ray diffraction
(XRD) measurements were also performed to obtain crystalline structural information for the
GO, GO-Fe3O4, GO@Fe3O4@HybPOM. The broad diffraction peak around 18.72°
corresponds to C (002) reflection of GO (Fig. S inset). For the GO-Fe3O4 the intense
diffraction peaks indexed to (220), (311), (400), (422), (511), (440), and (533) planes
appearing at 2θ = 30.52°, 35.85°, 43.58°, 53.96°, 57.43°, 63.16° and 74.65° respectively, and
the peak positions and relative intensities match well with the standard XRD data for the cubic
phase Fe3O4 with a face-centered cubic (fcc) structure (JCPDS No. 19−629) (Fig. Sc).31
Disappearance of the reflection plane at (002) and merging of the planes of Fe3O4 show the
good interfacial interaction between the planes. The XRD of GO@Fe3O4@HybPOM show
corresponding peaks of the GO-Fe3O4 and the amorphous XRD pattern of HybPOM as
background, respectively (Fig. Sd).
R. Khoshnavazi, L. Bahrami and F. Havasi, RSC Adv., 2016, 6, 100962.
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Fig. S XRD spectra of (a) Na9H[β-XW9O34]·nH2O, (b) HybPOM, (c) GO@Fe3O4 (d)
GO@Fe3O4@HybPOM and GO(inset).
R. Khoshnavazi, L. Bahrami and F. Havasi, RSC Adv., 2016, 6, 100962.