sillenite structure
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2020 ◽  
Vol 15 (3) ◽  
pp. 861-873
Author(s):  
Hanane Barebita ◽  
Youssef Merroun ◽  
Soumya Ferraa ◽  
Abderrazak Nimour ◽  
Abdelaziz Souizi ◽  
...  

A new compound has been found in the system Bi13B0.48V0.49-x PxO21.45 (with 0≤x≤0.34), were prepared by the direct solid-state reaction of Bi2O3, (NH4)2HPO4, V2O5, and B2O3. This material melts congruently and it crystallize with the sillenite structure (space group I23) and form a solid solution with the cubic lattice parameter increasing from with a = 10.1568 Å to 10.1436 Å with increasing of P2O5 molar. Consequently, the new composites belong to g-variety of solid state. The samples have been characterized by Fourier transform infrared spectroscopy (FT-IR), diffraction XRD and scanning electron microscopy (SEM) coupled to the EDX. On the other hand, the valorization of the prepared composites was performed by using them as heterogeneous catalyst in the 2,3-dihydroquinazolin-4(1H)-ones derivatives synthesis. The catalyst is stable (as a bench top catalyst) and reusable. Copyright © 2020 BCREC Group. All rights reserved 


2018 ◽  
Vol 9 (2) ◽  
pp. 221-226 ◽  
Author(s):  
R. N. Yastrebinskii ◽  
G. G. Bondarenko ◽  
A. V. Pavlenko

2014 ◽  
Vol 104 (24) ◽  
pp. 242111 ◽  
Author(s):  
Ruqi Chen ◽  
Wei Hu ◽  
Lilan Zou ◽  
Wei Xie ◽  
Baojun Li ◽  
...  

2010 ◽  
Vol 3 (3/4) ◽  
pp. 96-100 ◽  
Author(s):  
Tatyana I. MEL’NIKOVA ◽  
◽  
Galina M. KUZ’MICHEVA ◽  
Victor B. RYBAKOV ◽  
Nadezhda B. BOLOTINA ◽  
...  

2005 ◽  
Vol 41 (S1) ◽  
pp. S24-S46 ◽  
Author(s):  
V. M. Skorikov ◽  
Yu. F. Kargin ◽  
A. V. Egorysheva ◽  
V. V. Volkov ◽  
M. Gospodinov

2001 ◽  
Vol 46 (2) ◽  
pp. 312-335 ◽  
Author(s):  
V. I. Burkov ◽  
A. V. Egorysheva ◽  
Yu. F. Kargin

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