17090-19-6

Upstream product

• 814-68-6 acryloyl chloride 
• 95-53-4 o-toluidine 
• 88-72-2 1-methyl-2-nitrobenzene 
• 140-88-5 ethyl acrylate 
• 615-37-2 ortho-methylphenyl iodide 
• 79-06-1 2-propenamide 
• 856073-45-5 3-iodo-propionic acid o-toluidide 
• 124-40-3 dimethyl amine 
• 19422-76-5 3-chloro-N-(2-methylphenyl)propionamide 

Downstream Products

• 86523-86-6 3-(4-Pyridin-2-yl-piperazin-1-yl)-N-o-tolyl-propionamide 

Relevant academic research and scientific papers

An efficient copper-catalyzed N-arylation of amides: Synthesis of N-arylacrylamides and 4-amido-N-phenylbenzamides

Copper-catalyzed intermolecular C-N bond-forming reactions between aryl iodides and amides are described using sodium ascorbate, which is both cheap and nontoxic, as the additive. A variety of functionalized amides including some practical, unique secondary amides, such as N-arylacrylamides and 4-amido-N-phenylbenzamides, which are difficult to obtain by the classical methods, are prepared. Furthermore, some tertiary amides are prepared by using copper thiophenecarboxylate.

Disulfide Promoted C?P Bond Cleavage of Phosphoramide: “P” Surrogates to Synthesize Phosphonates and Phosphinates

A metal-free C?P bond cleavage reaction is described herein. Phosphoramides, a phosphine source, can react with alcohols to produce phosphonate and phosphinate derivatives in the presence of a disulfide. P?H2, P-alkyl, and P,P-dialkyl phosphoramides can be used as substrates to obtain the corresponding pentavalent phosphine products. (Figure presented.).

Effective nitration of anilides and acrylamides by tert-butyl nitrite

Nitro compounds are important intermediates in synthetic organic chemistry and the chemical industry. Herein, the efficient copper-catalyzed [10% Cu(NO3)2·3H2O] nitration of anilides was developed by using TBN (tert-butyl nitrite) as a nitrating reagent to give the corresponding nitro-substituted aromatic products in good to excellent yields. The use of TBN also led to the selective nitration of acrylamides at room temperature to afford only the (E) isomer of the nitration product. A series of anilides and acrylamides with a broad array of functional groups were well-tolerated by this procedure. This synthetic method has many advantages, which include inexpensive starting materials, mild reaction conditions, a fast reaction rate, and high yields. A mechanistic investigation indicates that a nitro radical, which is generated from the thermal homolysis of TBN, is involved in the two nitration processes. The efficient nitration of both anilides and acrylamides was achieved by using TBN (tert-butyl nitrite) as a metal-free nitrating reagent. This synthetic method has many advantages such as mild reaction conditions, a fast reaction rate, good to excellent yields, and a broad substrate scope. Our investigation indicates that a nitro radical is involved in the reaction mechanism.

Systematic study of the glutathione (GSH) reactivity of N-arylacrylamides: 1. Effects of aryl substitution

Success in the design of targeted covalent inhibitors depends in part on a knowledge of the factors influencing electrophile reactivity. In an effort to further develop an understanding of structure-reactivity relationships among N-arylacrylamides, we determined glutathione (GSH) reaction rates for a family of N-arylacrylamides independently substituted at ortho-, meta-, and para-positions with 11 different groups common to inhibitor design. We find that substituent effects on reaction rates show a linear Hammett correlation for ortho-, meta-, and para-substitution. In addition, we note a correlation between 1H and 13C NMR chemical shifts of the acrylamide with GSH reaction rates, suggesting that NMR chemical shifts may be a convenient surrogate measure of relative acrylamide reactivity. Density functional theory calculations reveal a correlation between computed activation parameters and experimentally determined reaction rates, validating the use of such methodology for the screening of synthetic candidates in a prospective fashion.

Cascade synthesis of spirooxindole δ-lactone derivatives through N-aryl hydroxymethylacrylamides with xanthates

A novel and highly efficient cascade synthesis of spirooxindole δ-lactone derivatives from N-aryl hydroxymethylacrylamides and xanthates in good yields is described. The reaction proceeds through a radical addition/cyclization and ester exchange, in which two new C-C bonds and one C-O bond were formed.

Ligand-free CuTC-catalyzed N-arylation of amides, anilines and 4-aminoantipyrine: Synthesis of N-arylacrylamides, 4-amido-N-phenylbenzamides and 4-amino(N-phenyl)antipyrenes

N-Arylation of amides and anilines with aryl iodides was efficiently catalyzed by copper thiophenecarboxylate under ligand-free conditions with good to excellent yields. A variety of substituted aryl iodides, amides, anilines and 4-aminoantipyrine were found to be applicable to the simple catalytic system. Furthermore, some practical, unique secondary amides, such as N-arylacrylamides and 4-amido-N-phenylbenzamides, and 4-amino(N-phenyl)antipyrenes, which are difficult to obtain by the classical methods, were prepared.

Metal-free oxidative spirocyclization of hydroxymethylacrylamide with 1,3-dicarbonyl compounds: A new route to spirooxindoles

A metal-free oxidative spirocyclization of hydroxymethylacrylamide with 1,3-dicarbonyl compounds is described. The reaction proceeds through tandem dual C-H functionalization and intramolecular dehydration, in which two new C-C bonds and one C-O bond were formed. This method affords a novel and straightforward access to various spirooxindoles under mild conditions.

Synthesis of [11C]/[13C]acrylamides by palladium-mediated carbonylation

Two methods are presented for the synthesis of acrylamides labelled with 11C (β+, t1/2 = 20.4 min) and 13C in the carbonyl position. In the first method, [1- 11C]acrylic acid is synthesised from [11C]carbon monoxide by palladium-mediated hydroxycarbonylation of acetylene. The labelled carboxylic acid is converted into the acyl chloride and subsequently treated with amine to yield N-benzyl[carbonyl-11C]acrylamide. The second method utilizes [11C]carbon monoxide in a palladium-mediated carbonylative cross-coupling of vinyl halides and amines. A higher radiochemical yield is achieved with the latter method and the amount of amine needed is decreased to 1/20. The 11C-labelled acrylamides were isolated in up to 81 % decay-corrected radiochemical yield. Starting from 10 ± 0.5 GBq of [ 11C]carbon monoxide, N-benzyl[carbonyl-11C]acrylamide was obtained in 4 min with a specific radioactivity of 330 ± 4 GBq μmol-1. Co-labelling with 11C and 13C enabled confirmation of the labelled position by 13C NMR spectroscopy. Wiley-VCH Verlag GmbH & Co. KGaA, 2007.

A novel method for the synthesis of α,β-unsaturated amides mediated by Samarium diiodide

Promoted by Samarium diiodide (SmI2), α,β-unsaturated amides were formed from nitrogenanions (formed in situ by the reduction of nitro compounds) and αβ-unsaturated esters. This reaction contrasts with the conjugate addition between amines and α,β-unsaturated esters promoted by samarium triiodide (SmI3) and provides an alternative attractive way to obtain α,β-unsaturated amides using SmI 2.