Zobrazeno 1 - 10
of 179
pro vyhledávání: '"NATHALIE BAR"'
Publikováno v:
Organics, Vol 3, Iss 4, Pp 491-501 (2022)
Phosphonated polyethylenimine grafted on iron oxide nanoparticles was used as a magnetic support for loading palladium. This cheap and accessible heterogeneous catalyst demonstrated good efficiency in Suzuki-Miyaura, Mizoroki-Heck, and Tsuji-Trost co
Externí odkaz:
https://doaj.org/article/82e258d87309460a9909182fa0812c05
Publikováno v:
Organics, Vol 2, Iss 2, Pp 98-106 (2021)
Novel 2-amino bis(2-phosphonoacetic) acids were prepared by microwave irradiation of a mixture of amine, glyoxylic acid and phosphorous acid. The reaction takes place with various amines including primary and secondary amines and polyamines, but this
Externí odkaz:
https://doaj.org/article/c5207a398cb54be09fca3563b4d2308c
Autor:
Fadhila Salhi, Nawel Cheikh, Didier Villemin, Bachir Mostefa-Kara, Nathalie Bar, Karine Jarsalé, Nourredine Choukchou-Braham
Publikováno v:
ARKIVOC, Vol 2018, Iss 5, Pp 65-74 (2018)
Externí odkaz:
https://doaj.org/article/89ead51028f24ed5be1570cf5658390f
Publikováno v:
Chemistry Proceedings, Vol 8, Iss 1, p 74 (2021)
Ricinine is an alkaloid of Ricinus communis that displays numerous biological properties. Ricinine (4-methoxy-1-methyl-2-oxo-dihydropyridine-3-carbonitrile)) and new N-analogues of Ricinine were obtained by the reaction of ethyl α-ethoxyethylidenecy
Externí odkaz:
https://doaj.org/article/4c7661294eb443c68fd28bebcb9eae31
Publikováno v:
Chemistry Proceedings, Vol 8, Iss 1, p 94 (2021)
In the present work, the synthesis and biological activities of substituted 2-aminopyridine δ-lactone derivatives were achieved. 4,6,6-trimethyl-2-oxo-5,6-dihydro-2H-pyran-3-carbonitrile was synthesised from 4-hydroxy-4-methylpentan-2-one, followed
Externí odkaz:
https://doaj.org/article/8a26f52be5fd412dae13016706d8594f
Publikováno v:
Chemistry Proceedings, Vol 8, Iss 1, p 109 (2021)
Purpurogallin or (6E,8Z)-2,3,4,6-tetrahydroxy-5H-benzo[7]annulen-5-one is a benzotropolone possessing a dienic system and known to inhibit the TLR1/TLR2 activation pathway. We have recently described the easy green synthesis of purpurogallin from pyr
Externí odkaz:
https://doaj.org/article/4ef94a10d4514e038384efea9c44c297
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 18, Iss 1, Pp 1-8 (2017)
After the synthesis of polyethylenimine supported on silica, it has been used as a new and efficient catalyst in Knoevenagel and Michael condensations. The presence of the polyethylenimine in the catalytic system together with silica displays an acid
Externí odkaz:
https://doaj.org/article/46b6073f8c654483af36bef059678743
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 7, Iss 1, Pp 1447-1453 (2016)
Wastewater cleaning strategies based on the adsorption of materials are being increasingly considered, but the wide variety of organic pollutants at low concentrations still makes their removal a challenge. The hybrid material proposed here consists
Externí odkaz:
https://doaj.org/article/c899d74d78e94525a051faf97479461e
Publikováno v:
Arabian Journal of Chemistry, Vol 7, Iss 5, Pp 781-787 (2014)
A new class of dicationic ionic liquids (ILs) were synthesized for electrochemical applications at high temperatures. The syntheses are based on a dialkylation reaction of N-alkylpiperidine followed by anion exchange. The structures of ILs, based on
Externí odkaz:
https://doaj.org/article/315026af2dad4f958923b83a9948e35a
Publikováno v:
Molecules, Vol 6, Iss 10, Pp 831-844 (2001)
Metallophthalocyanine complexes are obtained quickly and efficiently by the reaction of phthalodinitrile with hydrated metallic salts without solvent and under microwave irradiation. The use of a modified commercial microwave oven to perform this typ
Externí odkaz:
https://doaj.org/article/a341a0ba82bd4297b4fb5471be7b4d1a