Comparative Study of Essential Oils Extracted from Egyptian Basil Leaves (Ocimum basilicum L.) Using Hydro-Distillation and Solvent-Free Microwave Extraction

Autor: Mohammed Chenni, Douniazad El Abed, Njara Rakotomanomana, Xavier Fernandez, Farid Chemat

Publikováno v: Molecules, Vol 21, Iss 1, p 113 (2016)

Solvent-free microwave extraction (SFME) and conventional hydro-distillation (HD) were used for the extraction of essential oils (EOs) from Egyptian sweet basil (Ocimum basilicum L.) leaves. The two resulting EOs were compared with regards to their c

Externí odkaz: https://doaj.org/article/bdb2d338410047b2aaa4a389ff758acf

Synthetic and Therapeutic Interest of Amidines

Autor: Chiaa Adiche, Douniazad El Abed

Publikováno v: PhytoChem & BioSub Journal, Vol 14, Iss 1, Pp 36-76 (2020)

Amidines, structural units of a large number of biologically active molecules (antiparasitic, antidiabetic, anti-cancer, anti-inflammatory, anti-malarial,...), many compounds of biological interest, bioactive natural products and certain drugs, const

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::6e7c99cc4b247f377a1f4fb65348d86f
https://drive.google.com/file/d/1r0kEVekGlyaICRVstLL1A6qehJa6xRfb/view?usp=sharing

Phenylation of aminoindazole derivatives

Autor: Douniazad El Abed, Abdellah Miloudi, Gérard Boyer

Publikováno v: Arabian Journal of Chemistry, Vol 10, Iss 8, Pp 1184-1187 (2017)

The triphenylbismuth diacetate reacted selectively with different aminoindazole derivatives in presence of copper diacetate to engender a new series of mono phenyl aminoindazole compounds in good to high yields. Moreover, the same reagent with 4-chlo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::825fcd042924dca8cc0098c17fbf9827
http://www.sciencedirect.com/science/article/pii/S1878535214001658

Chemoselective Organoclick–Click Sequence

Autor: Jean-Marc Pons, Cyril Bressy, Douniazad El Abed, M. Belkheira

Publikováno v: Synthesis: Journal of Synthetic Organic Chemistry
Synthesis: Journal of Synthetic Organic Chemistry, 2018, 50 (21), pp.4254-4262. ⟨10.1055/s-0037-1610192⟩
SYNTHESIS
SYNTHESIS, Georg Thieme Verlag, 2018, 50 (21), pp.4254-4262. ⟨10.1055/s-0037-1610192⟩

International audience; A highly chemoselective bis-triazole synthesis based on a sequence organocatalyzed click reaction/copper-catalyzed click reaction is described in this paper. A range of bis-azides react with various ke-tones using proline cata

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37f19b17ad587323b13f6869c99e1591
https://hal.science/hal-01968835/file/Pub_CB_1bis.pdf

Cycloaddition of sulfonyl azides and cyanogen azide to enamines. Quantum-chemical calculations concerning the spontaneous rearrangement of the adduct into ring-contracted amidines

Autor: Didier Siri, Maurice Santelli, Paul Brémond, Gérard Audran, Mohammed Hamadouche, Douniazad El Abed, Chiaa Adiche

Publikováno v: Tetrahedron Letters
Tetrahedron Letters, Elsevier, 2017, 58 (10), pp.945-948. ⟨10.1016/j.tetlet.2017.01.081⟩
Tetrahedron Letters, 2017, 58 (10), pp.945-948. ⟨10.1016/j.tetlet.2017.01.081⟩

Enamines derived from cyclic ketones react with arenesulfonyl azides and cyanogen azide, mainly via ring contraction, with formation of the corresponding amidines. The mechanism of this efficient rearrangement, which has not been investigated experim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80f92e44e06f0cc2c0cffe64f8a2b320
https://hal-amu.archives-ouvertes.fr/hal-01774506