Chemical characteristics of ammonium salts
نویسنده
چکیده
Introduction Conclusions References
منابع مشابه
Ammonium salts as economical and eco-friendly N-sources applied to green, simple and scale-up synthesis of trialkyl amines in water
We have introduced a selective synthesis of tertiary amines using alkyl halide and ammonium salts as the amine sources in water. This green process has outstanding superiorities, such as being eco-friendly, possessing ammonium salts, and using water as a green solvent in the absence of organic ligands or catalysts. It is worth mentioning that the presence of t-Butyl alcohol and potassi...
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We report herein the efficiency of quaternary ammonium salts as co-catalysts in organocatalytic Michael reactions involving iminium activation of α,β-unsaturated aldehydes. The enantioselective formal benzylation of these substrates has been optimized and used to rationalize the role of the ammonium salts in these processes.
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A new route to the synthesis of highly b-oriented zeolite MFI films is demonstrated for the first time using ammonium salts as crystallization-mediating agents in secondary growth. The ammonium salts tailor the crystallization process and silicate-NH4(+) interactions dominate over TPA-NH4(+) interactions so that nucleation was effectively suppressed during secondary growth.
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A mixture of (5)AuCl [ = PCy2[2-(2,6-C6H3(OMe)2)C6H4]] and AgOTf catalyzes the intramolecular hydroamination of unactivated C==C bonds with primary and secondary ammonium salts.
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Convenient and inexpensive ammonium salts such as NH(4)Cl and aqueous NH(3) solution are found to be readily utilized in the Cu-catalyzed room temperature N-arylation of aryl halides, providing N-unprotected aniline derivatives in high yields.
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