Zobrazeno 1 - 10
of 1 754
pro vyhledávání: '"aza-Michael"'
Autor:
Shaheen M. Sarkar, Md. Lutfor Rahman, Kamrul Hasan, Md. Maksudur Rahman Khan, Mohammed Salim Akhter, Emmet J. O’Reilly
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 5, Pp 101916- (2024)
This works documents a new silica gel-supported nanocatalyst (Si@NSBPdNPs 3) with low Pd loadings for n-alkylation reactions at room temperature. Post synthesis characterisation using SEM-EDX and ICP techniques provided a quantitative assessment of p
Externí odkaz:
https://doaj.org/article/33430b3ccf9645f18aa4778f970abec6
Publikováno v:
Journal of Ionic Liquids, Vol 4, Iss 2, Pp 100111- (2024)
Acidic ionic liquids are a subset of ionic liquids where the cation or anion possess acidic properties with huge applications in various fields. Here we describe environmentally safe and highly efficient conjugate addition of aromatic and aliphatic a
Externí odkaz:
https://doaj.org/article/a8c35eb8551c4dbbbd818a1bedaa6967
Akademický článek
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Publikováno v:
Macromolecular Materials and Engineering, Vol 309, Iss 5, Pp n/a-n/a (2024)
Abstract Herein, this work reports the facile synthesis of a dimer diamine‐based autocatalytic polyol (ACP) and its use in polyurethane foam preparation. The ACP, namely TETRAOL is synthesized in one step, without using solvent, and with 100% atom
Externí odkaz:
https://doaj.org/article/0138f94bf7d843b7a5f244a4d350d12d
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e25248- (2024)
A novel series of 1,2-dihydroquinolinhydrazonopropanoate have been synthesized via a convenient aza-Michael addition reaction between hydrazinylquinolinones and ethyl propiolate in ethanol under refluxing temperature. The structures for all obtained
Externí odkaz:
https://doaj.org/article/cfcddc0ffea44e9c86bda78e5c847994
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 1251-1258 (2023)
A highly α-regioselective N-nucleophilic allylic substitution of cyclic MBH alcohols and acetates with imidazole or benzimidazole, in toluene at reflux with an azeotropic distillation, was successfully carried out with no catalysts or additives, aff
Externí odkaz:
https://doaj.org/article/3bacd51d2539440a959e80c53a2812af
Publikováno v:
Organics, Vol 4, Iss 3, Pp 313-332 (2023)
Starting from acid chlorides, alkynes, tryptamines, and acryloyl chloride, 21 densely substituted tetrahydro-β-carbolines were prepared in a four-component, one-pot reaction. In this study, the aza-Michael addition step to generate intermediate enam
Externí odkaz:
https://doaj.org/article/390b8fb80dc74f94b0bbebb528e89d10
Autor:
Szymon Jarzyński, Anna Rapacz, Anna Dziubina, Elżbieta Pękala, Justyna Popiół, Kamil Piska, Sławomir Wojtulewski, Bogna Rudolf
Publikováno v:
Biomedicine & Pharmacotherapy, Vol 168, Iss , Pp 115749- (2023)
A series of 3-aminopyrrolidine-2,5-dione derivatives was synthesized and tested for anticonvulsant activity. Succinimide derivatives were obtained from a simple solvent-based reaction and a mechanochemical aza-Michael reaction of maleimide or its N-s
Externí odkaz:
https://doaj.org/article/6ade5abd629141e6b00a008358a95f9b
Akademický článek
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Autor:
Jérôme Husson
Publikováno v:
Molbank, Vol 2023, Iss 3, p M1689 (2023)
The preparation and characterization of a new multi-functionalized terpyridine molecule featuring a pyrrole heterocycle and a cyano group is described. This new compound was obtained via a KF/alumina-catalyzed Michael addition of 4′-(pyrrol-2-yl)-2
Externí odkaz:
https://doaj.org/article/f26a1a6fb1214a56b7cbeef666c2e632