67832-97-7

Upstream product

• 34136-59-9 o-ethylbenzonitrile 
• 76118-05-3 2-ethylbenzoyl chloride 
• 22927-13-5 2-ethylbenzaldehyde 
• 524-38-9 N-hydroxyphthalimide 
• 557-20-0 diethylzinc 
• 201230-82-2 carbon monoxide 
• 18282-40-1 1-ethyl-2-iodobenzene 
• 612-19-1 2-ethylbenzoic acid 

Downstream Products

• 1630983-15-1 2-(1,1-difluoroethyl)benzamide 
• 885280-16-0 2-ethyl-thiobenzoic acid amide 
• 34136-59-9 o-ethylbenzonitrile 

Relevant academic research and scientific papers

Supported palladium catalyzed aminocarbonylation of aryl iodides employing bench-stable CO and NH3surrogates

A simple, efficient and phosphine free protocol for carbonylative synthesis of primary aromatic amides under polystyrene supported palladium (Pd?PS) nanoparticle (NP) catalyzed conditions has been demonstrated. Herein, instead of using two toxic and difficult to handle gases simultaneously, we have employed the solid, economical, bench stable oxalic acid as the CO source and ammonium carbamate as the NH3source in a single pot reaction. For the first time, we have applied two non-gaseous surrogates simultaneously under heterogeneous catalyst (Pd?PS) conditions for the synthesis of primary amides using an easy to handle double-vial (DV) system. The developed strategy showed a good functional group tolerance towards a wide range of aryl iodides and afforded primary aromatic amides in good yields. The Pd?PS catalyst was easy to separate and can be recycled up to four consecutive runs with small loss in catalytic activity. We have successfully extended the scope of the methodology to the synthesis of isoindole-1,3-diones from 1,2-dihalobenzene, 2-halobenzoates and 2-halobenzoic acid following double and single carbonylative cyclization approaches.

Method for preparing derivatives of benzamide under microwave condition in aqueous phase

The invention discloses a method for preparing derivatives of benzamide under a microwave condition in an aqueous phase. A coupling reaction is carried out between substituted benzoic acid and amine under the microwave condition in the aqueous phase. The method for preparing the derivatives of benzamide is environmentally friendly, easy and convenient to operate, safe, low in cost and efficient. Compared with the prior art, the method can be applicable to a large number of functional groups, is high in yield, produces fewer by-products, and further is easy to operate, safe, low in cost and environmentally friendly. A formula is shown in the description.

(η6-Benzene)Ru(II) half-sandwich complexes of pyrazolated chalcogenoethers for catalytic activation of aldehydes to amides transformation

The reaction of [(η6-C6H6)RuCl(μ-Cl)]2 with chalcogenoether substituted 1H-pyrazole ligands (L1-L3) in methanol have yielded three novel Ru(II) half-sandwich complexes [(η6-C6H6)RuCl(L)]PF6 (1–3) in high yield under the ambient reaction conditions. The NMR, MS and FT-IR analytical techniques were used to identify their structures. The molecular structures of the complexes 2 and 3 were established with X-ray crystallographic analysis and revealed a pseudo-octahedral half sandwich piano-stool geometry around ruthenium in each complex. Complexes 1–3 are thermally robust and were found to be insensitive towards the air and moisture. All the complexes were found to be catalytically active and produced the excellent yields of amides (up to 95%) from corresponding aldehydes. In contrast to the previous reported catalytic systems for aldehyde to amide transformation, the present complexes 1–3 are very efficient and have several advantages in terms of low catalyst loading, reaction time, temperature and wide applicability for various substituted aldehydes. Owing to the stronger σ-donor coordination properties of selenium containing ligands, the complex 2 was found to be more efficient as compare to the sulphur and tellurium analogues.

Decarbonylative cross coupling of phthalimides with diorganozinc reagents - Efforts toward catalysis

The decarbonylative coupling of phthalimides with diorganozinc reagents to form o-substituted benzamides has been previously demonstrated as a viable process, but only with stoichiometric nickel(0). Investigations into a number of reaction variables, incl

Palladium-catalyzed aminocarbonylation of aryl iodides using aqueous ammonia

Aminocarbonylation of aromatic iodides using aqueous ammonia in toluene has been developed. Various primary aromatic amides have been efficiently synthesized in good to excellent yields in the presence of catalytic quantities of Pd(OAc)2/CYTOP292. The usage of aqueous ammonia avoids the handling of two gases in the reaction.

A versatile synthesis of amidines from nitriles via amidoximes

Benzamidines were prepared conveniently from benzonitriles in good yield via catalytic hydrogenation of intermediate benzamidoximes in acetic acid/acetic anhydride.