42498-30-6

Usage

Synthesis Reference(s)

Tetrahedron Letters, 10, p. 3887, 1969 DOI: 10.1017/S0009838800024678

Upstream product

• 718-36-5 (p-nitrobenzylidene)(tert-butyl)amine 
• 122-04-3 4-nitro-benzoyl chloride 
• 636-98-6 p-nitrobenzene iodide 
• 119072-55-8 tert-butylisonitrile 
• 75-65-0 tert-butyl alcohol 
• 619-72-7 4-nitrobenzonitrile 
• 26378-36-9 (3S)-trans-2-tert-butyl-3-(4-nitro-phenyl)-oxaziridine 
• 555-16-8 4-nitrobenzaldehdye 
• 62-23-7 4-nitro-benzoic acid 
• 586-78-7 para-nitrophenyl bromide 
• 100-00-5 4-chlorobenzonitrile 
• 75-64-9 tert-butylamine 
• 99-99-0 1-methyl-4-nitrobenzene 
• 774-65-2 benzoic acid tert-butyl ester 

Downstream Products

• 1417547-04-6 N-(4-(tert-butylcarbamoyl)phenylcarbamoyl)-2,6-difluorobenzamide 

Relevant academic research and scientific papers

Synthesis and antitumor activity of novel phenylhydrazonopyrazolone derivatives and molecular dynamics simulations

SHP2 is a new promising target for anti-cancer drug discovery. A series of novel phenylhydrazonopyrazolone derivatives was synthesized by a more convenient method, and their chemical structures were characterized by various spectroscopic methods. The inhibitory effects of these compounds on SHP2 enzyme and SHP2-dependent cancer cell H1975 were evaluated. The compound 11f with IC50 value of 3.38?μmol/L exhibited more potent antitumor activity against H1975 cell than GS-493 (IC50 = 20.92?μmol/L). Molecular dynamics simulation of compound 11f displayed a possible mode of interaction between this compound and SHP2 enzyme.

CuO-decorated magnetite-reduced graphene oxide: a robust and promising heterogeneous catalyst for the oxidative amidation of methylarenes in waterviabenzylic sp3C-H activation

A magnetite-reduced graphene oxide-supported CuO nanocomposite (rGO/Fe3O4-CuO) was preparedviaa facile chemical method and characterized by Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), UV-vis spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), Brunauer-Emmett-Teller (BET) analysis, vibrating-sample magnetometry (VSM), and thermogravimetric (TG) analysis. The catalytic activity of the rGO/Fe3O4-CuO nanocomposite was probed in the direct oxidative amidation reaction of methylarenes with free amines. Various aromatic and aliphatic amides were prepared efficiently at room temperature from cheap raw chemicals usingtert-butyl hydroperoxide (TBHP) as a “green” oxidant and low-toxicity TBAI in water. This method combines the oxidation of methylarenes and amide bond formation into a single operation. Moreover, the synthesized nanocomposites can be separated from the reaction mixtures using an external magnet and reused in six consecutive runs without a noticeable decrease in the catalytic activity.

Weak base-promoted selective rearrangement of oxaziridines to amidesviavisible-light photoredox catalysis

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An acetate bridge benzothiazolepalladacycle containing a rare metallophilic intramolecular Pd?Pd interaction was synthesized and thoroughly characterized. The synthesized benzothiazolepalladacycle directly anchored on SBA-15 to form an efficient heterogen

Insight into Regioselective Control in Aerobic Oxidative C-H/C-H Coupling for C3-Arylation of Benzothiophenes: Toward Structurally Nontraditional OLED Materials

The installation of (benzo)thiophene-containing biaryls via coupling reactions has become a staple in designing photoelectric materials. Undeniably, C-H/C-H cross-coupling reactions between two (hetero)aromatics would be a shortcut toward these structural fragments. While more reliable cross-coupling technologies are well-established to provide C2-arylated (benzo)thiophenes, efficient methods that arylate the C3-position remain underdeveloped. Herein we provide insight into the factors that determine regioselectivity switching for these cross-coupling reactions. X-ray crystallographic analysis gives solid evidence for the key roles of triflate in regioselective dearomatization and acetate in base-assisted anti-β-deprotonated rearomatization. The first isolation and X-ray characterization of a medium-sized dearomatized cyclometalated adduct involving both substrates provide extra insight into aerobic oxidative Ar-H/Ar-H cross-coupling reactions. The mechanistic breakthrough incubates the first example, enabling C-H/C-H-type C3-arylation of benzothiophenes. Finally, this chemistry is used to design blue-emitting thermally activated delayed fluorescence (TADF) materials with a helicene conformation that exhibit a high maximum external quantum efficiency of 25.4% in OLED.

Immobilized Carbodiimide Assisted Flow Combinatorial Protocol to Facilitate Amide Coupling and Lactamization

Through a screen of over one hundred and 30 permutations of reaction temperatures, solvents, carbodiimide resins, and carbodiimide molar equivalences, in the presence, absence, or combination of diisopropylamine and benzotriazole additives, a convenient and first reported carbodiimide polymer-assisted flow approach to effect amide coupling and lactamization was developed. The protocol entails injecting a single solution (1:9 dimethylformamide: dichloromethane) containing a carboxylic acid and an amine or linear peptide sequence into a continuous stream of dichloromethane. The protocol remained viable in the absence of base, did not require carboxylate preactivation which, and in concert with minimal workup requirements, enabled the isolation of products in high yields. Compared to the utilization of untethered carbodiimide reagents, the flow procedure was also observed to provide a degree of racemization safety.

VASCULAR ADHESION PROTEIN-1 (VAP-1) MODULATORS AND THERAPEUTIC USES THEREOF

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An efficient synthesis of N-tert-butyl amides by the reaction of tert-butyl benzoate with nitriles catalyzed by Zn(ClO4)2·6H2O

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Identifying Amidyl Radicals for Intermolecular C-H Functionalizations

Recent studies have demonstrated the capabilities of amidyl radicals to facilitate a range of intermolecular functionalizations of unactivated, aliphatic C-H bonds. Relatively little information is known regarding the important structural and electronic features of amidyl and related radicals that impart efficient reactivity. Herein, we evaluate a diverse range of nitrogen-centered radicals in unactivated, aliphatic C-H chlorinations. These studies establish the salient features of nitrogen-centered radicals critical to these reactions in order to expedite the future development of new site-selective, intermolecular C-H functionalizations.

Preparation method of N-tert-butyl-4-aminobenzamide

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