Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Larbi El Firdoussi"'
Autor:
Abdelhadi Louroubi, Abdallah Nayad, Ali Hasnaoui, Rachid Idouhli, Abdessalam Abouelfida, Larbi El Firdoussi, Mustapha Ait Ali
Publikováno v:
Journal of Chemistry, Vol 2021 (2021)
Polysubstituted pyrroles have been synthesized in good yields via a four-component one-pot reaction of 1,3-dicarbonyl compounds, amines, aldehydes, and nitroalkanes using natural hydroxyapatite (HAp) as an efficient green catalyst. This strategy prov
Externí odkaz:
https://doaj.org/article/bf6d7df021984d1b8639a79b1fae7b5c
Autor:
Abderrazak Aberkouks, Ayoub Abdelkader Mekkaoui, Mustapha Ait Ali, Larbi El Firdoussi, Soufiane El Houssame
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
Co-Ag supported on the SiO2 catalyst was synthesized by the sol-gel method and characterized using XRD, FT-IR, TG-DTG, BET, CV, and SEM/EDX analysis. The catalytic performance of the resulting catalyst was examined by the oxidation of mono and sesqui
Externí odkaz:
https://doaj.org/article/d215a0a12d0548af9d65819a7a4c5627
Autor:
Mouhsine Laayati, Ali Hasnaoui, Nayad Abdallah, Saadia Oubaassine, Lahcen Fkhar, Omar Mounkachi, Soufiane El Houssame, Mustapha Ait Ali, Larbi El Firdoussi
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
Magnetically separable strontium hexaferrite SrFe12O19 was prepared using the chemical coprecipitation method, and the nanostructured material was characterized by X-ray diffraction, scanning electron microscopy (SEM), energy-dispersive spectrometry
Externí odkaz:
https://doaj.org/article/202b3e21d41448b4b370a2bacaec6bf0
Autor:
Ayoub Abdelkader Mekkaoui, Mouhsine Laayati, Hamza Orfi, Larbi El Firdoussi, Soufiane El Houssame
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
A mild and convenient method for the allylic chlorination of naturally occurring terpenic olefins was investigated in the presence of different supported and non-supported Lewis acid catalysts. The reaction has been tested on carvone as a model subst
Externí odkaz:
https://doaj.org/article/48262213e4a44161bbf23867719ed2ee
Autor:
Saadia Oubaassine, Angela Köckritz, Reinhard Eckelt, Andreas Martin, Mustapha Ait Ali, Larbi El Firdoussi
Publikováno v:
Journal of Chemistry, Vol 2019 (2019)
In a one-step procedure, various β-bromoalcohols were synthesized from natural terpenes in good to excellent yields. Using different catalysts, the reaction was carried out at room temperature, with H2O as nucleophile and N-bromosuccinimide as a bro
Externí odkaz:
https://doaj.org/article/9fbd98611faf4fa0a3a858bc263c46e1
Autor:
Abderrazak Aberkouks, Ayoub Abdelkader Mekkaoui, Brahim Boualy, Soufiane El Houssame, Mustapha Ait Ali, Larbi El Firdoussi
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
Various ratio of Co-Ag supported on ZnO have been evaluated in the selective catalytic oxidation of styrene to benzaldehyde, using H2O2 as an oxidant. The catalysts were prepared by a sol-gel process and were characterized using XRD, FT-IR, TG-DTG, B
Externí odkaz:
https://doaj.org/article/c500b682117b442584b7dec9b114f269
Publikováno v:
IUCrData, Vol 2, Iss 6, p x170895 (2017)
In the title compound, C21H21NO, the dihedral angles between the planes of the phenyl and pyrrole rings are 47.04 (5) and 79.27 (3)°. In the crystal, centrosymmetrically related molecules are linked into dimers by pairs of C—H...O hydrogen bonds,
Externí odkaz:
https://doaj.org/article/ca597d6564eb4610ae7192d62647d1ef
Publikováno v:
IUCrData, Vol 2, Iss 2, p x170226 (2017)
In the crystal of the title compound, C7H6N2Se, the molecules are arranged in rods along the b-axis direction and form dimeric units due to intermolecular Se...N contacts of 2.982 (2) Å. The molecules are further linked by weak π–π stacking inte
Externí odkaz:
https://doaj.org/article/6612b227b84c4c63a2c4fcfe729d57ba
Autor:
Hana Ighachane, Brahim Boualy, Mustapha Ait Ali, My. H. Sedra, Larbi El Firdoussi, Hassan Bihi Lazrek
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
Various unsaturated natural terpenes were selectively converted to the corresponding polychlorinated products in good yields using iron acetylacetonate in combination with nucleophilic cocatalyst. The synthesized compounds were evaluated for their in
Externí odkaz:
https://doaj.org/article/4b03f17e271a456685b396b257d86b3d
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 1, Pp 79-81 (2015)
The asymmetric unit of the title compound, C14H25NO3, contains two independent molecules with similar geometry. The morpholine and cyclohexane rings of both molecules adopt a chair conformation. Intramolecular O—H...N hydrogen bonds are observed. I
Externí odkaz:
https://doaj.org/article/00a4d429186a451e838c82ee85723291