4385-04-0Relevant articles and documents
Green and chemo selective amine methylation using methanol by an organometallic ruthenium complex
Abbasi, Alireza,Dindar, Sara,Nemati Kharat, Ali
, (2021/11/16)
Herein a green and convenient catalytic N-methylation of aniline and n-hexylamine using methanol as a dual methylation agent and solvent has been investigated. A new ruthenium carbonyl complex was synthesized and applied as a homogeneous catalyst in methylation reaction. The solid-state structure of the complex was determined by X-ray crystallographic analysis which indicate xantphos ligand bonded to ruthenium (II) as a tridentate pincer ligand by two P donor and one O atom. The catalytic system showed excellent conversion and selectivity toward N-methylaniline, and N,N-hexyldimethylamine at 140°C.
Deoxygenative hydroboration of primary, secondary, and tertiary amides: Catalyst-free synthesis of various substituted amines
An, Duk Keun,Jaladi, Ashok Kumar,Kim, Hyun Tae,Yi, Jaeeun
, (2021/11/17)
Transformation of relatively less reactive functional groups under catalyst-free conditions is an interesting aspect and requires a typical protocol. Herein, we report the synthesis of various primary, secondary, and tertiary amines through hydroboration of amides using pinacolborane under catalyst-free and solvent-free conditions. The deoxygenative hydroboration of primary and secondary amides proceeded with excellent conversions. The comparatively less reactive tertiary amides were also converted to the corresponding N,N-diamines in moderate yields under catalyst-free conditions, although alcohols were obtained as a minor product.
Method for preparing tertiary amine organic compound by decomposing substituted formamide under mild condition
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Paragraph 0031-0033; 0049, (2021/06/13)
The invention discloses a method for preparing tertiary amine organic compounds by decomposing substituted formamide under mild conditions, which comprises the following steps: heating and stirring aldehydes serving as a reaction substrate, substituted formamide serving as a solvent, a reducing agent and an amination reagent, Ti-based oxide/hydroxide serving as a catalyst and a small amount of water serving as an auxiliary agent to generate the corresponding tertiary amine compound. Hydrogen is not needed in the reaction process. The method can be suitable for various aldehydes including aromatic aldehydes, fatty aldehydes and the like, and has the characteristics of high conversion rate and single product, and the tertiary amine compound can be simply, efficiently and safely synthesized without using hydrogen and noble metals in the reaction, so that the method has remarkable economic effects and application prospects.