V. V. Ordomskiy and V. L. , Sushkevich, I.I. Ivanova, One-Step Method for Butadiene Production, 2014.

A. Corma, F. X. Llabrés, I. Xamena, C. Prestipino, M. Renz et al., Water Resistant, Catalytically Active Nb and Ta Isolated Lewis Acid Sites, Homogeneously Distributed by Direct Synthesis in a Beta Zeolite, The Journal of Physical Chemistry C, vol.113, issue.26, p.11306, 2009.
DOI : 10.1021/jp902375n

V. L. Sushkevich, D. Palagin, and I. I. Ivanova, With Open Arms: Open Sites of ZrBEA Zeolite Facilitate Selective Synthesis of Butadiene from Ethanol, ACS Catalysis, vol.5, issue.8, p.4833, 2015.
DOI : 10.1021/acscatal.5b01024

J. Dijkmans, M. Dusselier, W. Janssens, M. Trekels, A. Vantomme et al., An Inner-/Outer-Sphere Stabilized Sn Active Site in ??-Zeolite: Spectroscopic Evidence and Kinetic Consequences, ACS Catalysis, vol.6, issue.1, p.31, 2015.
DOI : 10.1021/acscatal.5b01822

J. Dijkmans, J. Demol, K. Houthoofd, S. Huang, Y. Pontikes et al., Post-synthesis Sn??: An exploration of synthesis parameters and catalysis, Journal of Catalysis, vol.330, p.545, 2015.
DOI : 10.1016/j.jcat.2015.06.023

F. Tielens, T. Shishido, and S. Dzwigaj, What Do the Niobium Framework Sites Look Like in Redox Zeolites? A Combined Theoretical and Experimental Investigation, The Journal of Physical Chemistry C, vol.114, issue.7, p.3140, 2010.
DOI : 10.1021/jp910956j
URL : https://hal.archives-ouvertes.fr/hal-00604809

T. Blasco, M. A. Camblor, A. Corma, P. Esteve, J. M. Guil et al., Direct Synthesis and Characterization of Hydrophobic Aluminum-Free Ti???Beta Zeolite, The Journal of Physical Chemistry B, vol.102, issue.1, p.75, 1998.
DOI : 10.1021/jp973288w

L. W. Beck and J. F. Haw, Multinuclear NMR Studies Reveal a Complex Acid Function for Zeolite Beta, The Journal of Physical Chemistry, vol.99, issue.4, p.1076, 1995.
DOI : 10.1021/j100004a004

A. M. Prakash and L. Kevan, Synthesis of Niobium Silicate Molecular Sieves of the MFI Structure:?? Evidence for Framework Incorporation of the Niobium Ion, Journal of the American Chemical Society, vol.120, issue.50, p.13148, 1998.
DOI : 10.1021/ja982262v

M. Trejda, A. Tuel, J. Kujawa, B. Kilos, and M. Ziolek, Niobium rich SBA-15 materials ??? preparation, characterisation and catalytic activity, Microporous and Mesoporous Materials, vol.110, issue.2-3, p.271, 2008.
DOI : 10.1016/j.micromeso.2007.06.015

C. Angelici, M. E. Velthoen, B. M. Weckhuysen, and P. C. Bruijnincx, ???MgO materials, Catal. Sci. Technol., vol.63, issue.151, p.2869, 2015.
DOI : 10.1039/C5CY00200A

O. V. Larina, P. I. Kyriienko, and S. O. Soloviev, Ethanol Conversion to 1,3-Butadiene on ZnO/MgO???SiO2 Catalysts: Effect of ZnO Content and MgO:SiO2 Ratio, Catalysis Letters, vol.138, issue.5, p.1162, 2015.
DOI : 10.1007/s10562-015-1509-4

V. L. Sushkevich, I. I. Ivanova, and E. Taarning, Ethanol conversion into butadiene over Zr-containing molecular sieves doped with silver, Green Chem., vol.15, issue.151, p.2552, 2015.
DOI : 10.1002/cssc.201402894