Category: amides-buliding-blocks

In 2022,Berton, Stefania; Chen, Lu; Liang, Yi Chu; Xu, Zhongliang; Afriyie-Asante, Afrakoma; Rajabalee, Nusrah; Yang, Weibo; Sun, Jim published an article in Cell Chemical Biology. The title of the article was 《A selective PPM1A inhibitor activates autophagy to restrict the survival of Mycobacterium tuberculosis》.Name: 2-Bromoacetamide The author mentioned the following in the article:

Metal-dependent protein phosphatases (PPMs) have essential roles in a variety of cellular processes, including inflammation, proliferation, differentiation, and stress responses, which are intensively investigated in cancer and metabolic diseases. Targeting PPMs to modulate host immunity in response to pathogens is an ambitious proposition. The feasibility of such a strategy is unproven because development of inhibitors against PPMs is challenging and suffers from poor selectivity. Combining a biomimetic modularization strategy with function-oriented synthesis, we design, synthesize and screen more than 500 pseudo-natural products, resulting in the discovery of a potent, selective, and non-cytotoxic small mol. inhibitor for PPM1A, SMIP-30. Inhibition of PPM1A with SMIP-30 or its genetic ablation (ΔPPM1A) activated autophagy through a mechanism dependent on phosphorylation of p62-SQSTM1, which restricted the intracellular survival of Mycobacterium tuberculosis in macrophages and in the lungs of infected mice. SMIP-30 provides proof of concept that PPMs are druggable and promising targets for the development of host-directed therapies against tuberculosis. The results came from multiple reactions, including the reaction of 2-Bromoacetamide(cas: 683-57-8Name: 2-Bromoacetamide)

2-Bromoacetamide(cas: 683-57-8) can be used in preparation of (2-carbamoylmethoxy-5-chloro-benzyl)-carbamic acid tert-butyl ester. It was aslo used as precursor to dehydropeptidase I inactivator.Name: 2-Bromoacetamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

《Investigation of kinetics and mechanistic studies of N-(2-hydroxyethyl)phthalimide by +1 halogen oxidant in acidic medium》 was written by Latha, Vijaya; Sukhdev, Anu; Manjunath, A. S.; Puttaswamy; Deepthi, P. R.; Kumar, P. Mohan. Recommanded Product: 4-Methylbenzenesulfonamide And the article was included in Chemical Data Collections in 2020. The article conveys some information:

The oxidation of N-(2-hydroxyethyl)phthalimide (NHEP) by chloramine T (CAT) in perchloric acid medium has been investigated iodometrically at 298 K. The stoichiometry of the reaction was found to be 1:2. The oxidation products were identified by LC-MS anal. Kinetic orders with respect to oxidant, substrate and acid concentrations were determined Enhancement of rate observed with an increase in acid concentration Effect of solvent polarity and ionic strength was studied. Addition of p-toluene sulfonamide (reductant) to the reaction mixture has no significant influence on the rate. The active species of the oxidant in acidic medium was ascertained. Plausible mechanistic scheme explaining all of the observed kinetic results have been proposed. The effect of temperature on the reaction rates has also been studied. Activation parameters and thermodn. quantities were evaluated and discussed. The rate constant of the slow step of the reaction along with the equilibrium constants were also calculated The experimental part of the paper was very detailed, including the reaction process of 4-Methylbenzenesulfonamide(cas: 70-55-3Recommanded Product: 4-Methylbenzenesulfonamide)

4-Methylbenzenesulfonamide(cas: 70-55-3) belongs to anime. Milder oxidation, using reagents such as NaOCl, can remove four hydrogen atoms from primary amines of the type RCH2NH2 to form nitriles (R―C≡N), and oxidation with reagents such as MnO2 can remove two hydrogen atoms from secondary amines (R2CH―NHR′) to form imines (R2C=NR′). Tertiary amines can be oxidized to enamines (R2C=CHNR2) by a variety of reagents.Recommanded Product: 4-Methylbenzenesulfonamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

In 2019,Russian Chemical Bulletin included an article by Krylov, E. N.; Virzum, L. V.. Quality Control of 4-Methylbenzenesulfonamide. The article was titled 《Acidity of arylsulfonamides as function of quantum chemical parameters of sulfonamide nitrogen》. The information in the text is summarized as follows:

The structures of aromatic sulfonamide mols. XPhSO2NH2 (X = H, 4-Me, 4-F, 4-Cl, 4-Br, 4-MeO, 4-OH, 4-NH2, 4-CN, 3-NO2, 4-NO2, 3,5-(NO2)2, 3,4-Cl2, 3-Cl-4-Me, 3,4-Me2, 3-Me-4-F, 2-Me) were calculated at the M06/6-311++G** (SMD) level of theory. The at. electrostatic potentials (AEP) and the Hirshfeld charges of the sulfonamide nitrogen atoms were determined Correlation equations relating the AEP to Bronsted acidities (pKa) of these compounds were obtained using published data and the previously unknown pKa values for a number of arylsulfonamides were calculated These pKa values are consistent with independently determined free energies of acid dissociation of sulfonamides. In the experiment, the researchers used many compounds, for example, 4-Methylbenzenesulfonamide(cas: 70-55-3Quality Control of 4-Methylbenzenesulfonamide)

4-Methylbenzenesulfonamide(cas: 70-55-3) belongs to anime. Hydrogen peroxide (H2O2) and peroxy acids generally add an oxygen atom to the nitrogen of amines. With primary amines, this step is normally followed by further oxidation, leading to nitroso compounds, RNO, or nitro compounds, RNO2. Secondary amines are converted to hydroxylamines, R2NOH, and tertiary amines to amine oxides, R3NO.Quality Control of 4-Methylbenzenesulfonamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Ross, Tamsyn M.; Neville, Suzanne M.; Innes, David S.; Turner, David R.; Moubaraki, Boujemaa; Murray, Keith S. published an article on January 7 ,2010. The article was titled 《Spin crossover in iron(III) Schiff-base 1-D chain complexes》, and you may find the article in Dalton Transactions.Formula: C11H9N3O The information in the text is summarized as follows:

Iron(III) 1-dimensional polymeric materials, [Fe(III)(Schiff-base)(L)](BPh4).n(CH3OH) (Schiff base = N,N’-ethylenebis(salicylaldimine) (H2salen), N,N’-o-phenylenebis(salicylaldimine) (H2salophen) and N,N’-ethylenebis(acetylacetonimine) (H2acen); L = bridging di-pyridyl or di-imidazole ligand, n = 0-4) and analogs therein, were synthesized and structurally and magnetically characterized. In this series, a range of structural motifs are observed including linear 1-dimensional chains, hydrogen-bonded chains, a ‘hybrid’ 1-dimensional chain-and -dimer compound and a hydrogen-bonded dinuclear material; all exhibit extensive intermol. interactions. The magnetic consequences of varying both the equatorial Schiff-base ligands and axial bridging ligands were studied. Overall, independent of the axial bridging ligand employed, the salen equatorial ligand results in a high spin character and the acen ligand results in spin crossover character, generally with a spin transition of a gradual nature. Variations in magnetic behavior can be rationalized, in part, in terms of the C2N2 backbone conformation of the equatorial Schiff base ligand, which may either inhibit or allow a spin transition. The experimental process involved the reaction of N-(Pyridin-4-yl)isonicotinamide(cas: 64479-78-3Formula: C11H9N3O)

N-(Pyridin-4-yl)isonicotinamide(cas: 64479-78-3) belongs to amides. Because of the greater electronegativity of oxygen, the carbonyl (C=O) is a stronger dipole than the N–C dipole. The presence of a C=O dipole and, to a lesser extent a N–C dipole, allows amides to act as H-bond acceptors.“,” In primary and secondary amides, the presence of N–H dipoles allows amides to function as H-bond donors as well. Formula: C11H9N3O

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Electric Literature of C11H22N2O4On June 3, 2019, Zhu, Yongyan; Liu, Ruixuan; Huang, Haoji; Zhu, Quanhong published an article in Molecular Pharmaceutics. The article was 《Vinblastine-Loaded Nanoparticles with Enhanced Tumor-Targeting Efficiency and Decreasing Toxicity: Developed by One-Step Molecular Imprinting Process》. The article mentions the following:

Molecularly imprinted polymers have exhibited good performance as carriers on drug loading and sustained release. In this paper, vinblastine (VBL)-loaded polymeric nanoparticles (VBL-NPs) were prepared by a one-step mol. imprinting process, avoiding the waste and incomplete removal of the template, and evaluated as targeting carriers for VBL delivery after modification. Using acryloyl amino acid comonomers and disulfide cross-linkers, VBL-NPs were synthesized and then conjugated with poly(ethylene glycol)-folate. The dynamic size of the obtained VBL-NPs-PEG-FA was 258.3 nm (PDI = 0.250), and the encapsulation efficiency was 45.82 ± 1.45%. The nanoparticles of VBL-NPs-PEG-FA were able to completely release VBL during 48 h under a mimic tumor intracellular condition (pH 4.5, 10 mM glutathione (GSH)), displaying significant redox responsiveness, whereas the release rates were much slower in the mimic body liquid (pH 7.4, 2μM GSH) and tumor extracellular environment (pH 6.5, 2μM GSH). Furthermore, the carriers NPs-PEG-FA, prepared without VBL, showed satisfactory intrinsic hemocompatibility, cellular compatibility, and tumor-targeting properties: they could rapidly and efficiently accumulate to folate receptor pos. Hela cells and then internalized via receptor-mediated endocytosis, and the retention in tumor tissues could last for over 48 h. Interestingly, VBL-NPs-PEG-FA could evidently increase the accumulation of VBL in tumor tissues while decreasing the distribution of VBL in organs, exert similar anticancer efficacy against Hela tumors in the xenograft model of nude mice to VBL injection, and significantly improve the abnormality of liver and spleen observed in VBL injection. VBL-NPs-PEG-FA has the potential to be the delivery carrier for VBL by enhancing the tumor-targeting efficacy of VBL and decreasing toxicity to normal tissues. The results came from multiple reactions, including the reaction of H-Lys(Boc)-OH(cas: 2418-95-3Electric Literature of C11H22N2O4)

H-Lys(Boc)-OH(cas: 2418-95-3) belongs to amino acids. Amino acids are not generally considered to be electrochemically active because products of the oxidation accumulate on the electrode surface and prevent it from participating in any further electrochemical processes.Electric Literature of C11H22N2O4

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Quality Control of 2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamideOn March 1, 1994, Laneuville, Pierre; Timm, Martina; Hudson, Alan T. published an article in Cancer Research. The article was 《Bcr/abl expression in 32D cl3(G) cells inhibits apoptosis induced by protein tyrosine kinase inhibitors》. The article mentions the following:

Eight protein tyrosine kinase inhibitors with in vitro epidermal growth factor receptor kinase 50% inhibitory concentration values ranging from 0.043 to 22 μM were studied for their ability to inhibit the growth of the murine interleukin-3 (IL-3) dependent myeloid 32D cl3(G) cell line, and a subclone (LG7) transformed to IL-3 independent growth by retroviral transduction and expression of the chronic myelogenous leukemia-associated protein tyrosine kinase p210bcr/abl. Cell proliferation 50% inhibitory concentration values ranged from 4 to 250 μM, and one compound was not inhibitory at 500 μM. The dose-cell proliferation curves were remarkably similar for parental 32D cl3(G) cells + IL-3 and LG7 ± IL-3, and reversion of LG7 cells to IL-3 dependence was not observed, suggesting that none of the compounds tested could selectively inhibit p21bcr/abl. However, 6 compounds induced the appearance of a 200-base pair nucleosomal DNA ladder characteristic of apoptosis at 24 h in parental 32D cl3(G) cells + IL-3, which mimicked the effects of IL-3 withdrawal alone, but not in similarly growth arrested LG7 cells that eventually developed a necrotic pattern of DNA fragmentation. These studies suggest that the expression of p210bcr/abl can suppress apoptotic signal transduction and that this may contribute to the development of the myeloid hyperplasia that occurs in chronic phase chronic myelogenous leukemia.2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide(cas: 106392-48-7Quality Control of 2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide) was used in this study.

2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide(cas: 106392-48-7) belongs to amides. Because of the greater electronegativity of oxygen, the carbonyl (C=O) is a stronger dipole than the N–C dipole. The presence of a C=O dipole and, to a lesser extent a N–C dipole, allows amides to act as H-bond acceptors.“,” In primary and secondary amides, the presence of N–H dipoles allows amides to function as H-bond donors as well. Quality Control of 2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

《Preparation of Primary Amides from Functionalized Organozinc Halides》 was written by Schade, Matthias A.; Manolikakes, Georg; Knochel, Paul. Quality Control of 2,6-Dichloroisonicotinamide And the article was included in Organic Letters on August 20 ,2010. The article conveys some information:

Organozinc halides, which are prepared either by direct zinc insertion or halogen-magnesium exchange and subsequent transmetalation with ZnCl2, react smoothly with com. available trichloroacetyl isocyanate to give, after hydrolysis, the corresponding primary amides. This method is compatible with a variety of functional groups such as an ester or a cyano group. Also heterocyclic-, alkenyl, and acetylenic zinc reagents are converted to the corresponding primary amides under these conditions. In the part of experimental materials, we found many familiar compounds, such as 2,6-Dichloroisonicotinamide(cas: 89281-13-0Quality Control of 2,6-Dichloroisonicotinamide)

2,6-Dichloroisonicotinamide(cas: 89281-13-0) belongs to anime. Reduction of nitro compounds, RNO2, by hydrogen or other reducing agents produces primary amines cleanly (i.e., without a mixture of products), but the method is mostly used for aromatic amines because of the limited availability of aliphatic nitro compounds. Reduction of nitriles and oximes (R2C=NOH) also yields primary amines.Quality Control of 2,6-Dichloroisonicotinamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

HPLC of Formula: 70-55-3In 2020 ,《Copper-Catalyzed Coupling of Sulfonamides with Alkylamines: Synthesis of (E)-N-Sulfonylformamidines》 was published in Journal of Organic Chemistry. The article was written by Gou, Quan; Liu, Zining; Cao, Tuanwu; Tan, Xiaoping; Shi, Wenbing; Ran, Man; Cheng, Feixiang; Qin, Jun. The article contains the following contents:

Herein, we describe an efficient copper-catalyzed coupling of sulfonamides with alkylamines to synthesize (E)-N-sulfonylformamidines. The reaction is accomplished under mild conditions without the use of a corrosive acid or base as an additive. It tolerates a broad scope of substrates and generates the products with exclusive (E)-stereoselectivity. In the part of experimental materials, we found many familiar compounds, such as 4-Methylbenzenesulfonamide(cas: 70-55-3HPLC of Formula: 70-55-3)

4-Methylbenzenesulfonamide(cas: 70-55-3) belongs to anime. Hydrogen peroxide (H2O2) and peroxy acids generally add an oxygen atom to the nitrogen of amines. With primary amines, this step is normally followed by further oxidation, leading to nitroso compounds, RNO, or nitro compounds, RNO2. Secondary amines are converted to hydroxylamines, R2NOH, and tertiary amines to amine oxides, R3NO.HPLC of Formula: 70-55-3

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Name: tert-Butyl N,N’-diisopropylcarbamimidateIn 2020 ,《Total Synthesis of (+)-Trachyspic Acid 19-n-Butyl Ester》 was published in Organic Letters. The article was written by Rafaniello, Alex A.; Rizzacasa, Mark A.. The article contains the following contents:

The first total synthesis of the alkyl citrate trachyspic acid 19-Bu ester (I) is described. A formal [2 + 2]-cycloaddition of the silylketene acetal derived from lactone II with di-n-butylacetylenedicarboxylate provided the cyclobutene diester III with a dr >20:1. Acid-mediated rearrangement of III followed by lactone ring-opening and ester protecting group manipulation eventually provided orthogonally protected aldehyde IV. A Nozaki-Hiyama-Kishi coupling between IV and vinyl iodide V followed by oxidation of the resultant allylic alc. gave an enone, which was converted into a triester (dr 6:1) by a spirocyclization/oxidative cleavage/elimination sequence. Removal of the t-Bu esters then afforded trachyspic acid 19-Bu ester I. In the experimental materials used by the author, we found tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8Name: tert-Butyl N,N’-diisopropylcarbamimidate)

tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8) belongs to anime. Reduction of nitro compounds, RNO2, by hydrogen or other reducing agents produces primary amines cleanly (i.e., without a mixture of products), but the method is mostly used for aromatic amines because of the limited availability of aliphatic nitro compounds. Reduction of nitriles and oximes (R2C=NOH) also yields primary amines.Name: tert-Butyl N,N’-diisopropylcarbamimidate

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Related Products of 71432-55-8In 2020 ,《Sevanol and its analogues: chemical synthesis, biological effects and molecular docking》 was published in Pharmaceuticals. The article was written by Belozerova, Olga A.; Osmakov, Dmitry I.; Vladimirov, Andrey; Koshelev, Sergey G.; Chugunov, Anton O.; Andreev, Yaroslav A.; Palikov, Victor A.; Palikova, Yulia A.; Shaykhutdinova, Elvira R.; Gvozd, Artem N.; Dyachenko, Igor A.; Efremov, Roman G.; Kublitski, Vadim S.; Kozlov, Sergey A.. The article contains the following contents:

In this work, the efficient chem. synthesis scheme of sevanol I [R = H] and its analogs I [R = Me], II and III which allowed us to analyze the structure-activity relationships of the different parts of this mol. was described. We found that the inhibitory activity of sevanol and its analogs on ASIC1a and ASIC3 channels depends on the number and availability of the carboxyl groups of the mol. At the structural level, it was predicted the presence of a sevanol binding site based on the presence of mol. docking in the central vestibule of the ASIC1a channel. Also it was predicted that this site could also be occupied in part by the FRRF-amide peptide, and the competition assay of sevanol with this peptide confirmed this prediction. The i.v. (i.v.), intranasal (i.n.) and, especially, oral (p.o.) administration of synthetic sevanol in animal models produced significant analgesic and anti-inflammatory effects. Both non-invasive methods of sevanol administration (i.n. and p.o.) showed greater efficacy than the invasive (i.v.) method, thus opening new horizons for medicinal uses of sevanol. In addition to this study using tert-Butyl N,N’-diisopropylcarbamimidate, there are many other studies that have used tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8Related Products of 71432-55-8) was used in this study.

tert-Butyl N,N’-diisopropylcarbamimidate(cas: 71432-55-8) belongs to anime. Aniline, ethanolamines, and several other amines are major industrial commodities used in making rubber, dyes, pharmaceuticals, and synthetic resins and fibres and for a host of other applications. Most of the numerous methods for the preparation of amines may be broadly divided into two groups: (1) chemical reduction (replacement of oxygen with hydrogen atoms in the molecule) of members of several other classes of organic nitrogen compounds and (2) reactions of ammonia or amines with organic compounds.Related Products of 71432-55-8

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics