Category: amides-buliding-blocks

《Expanding the genetic code of the human hematopoietic system》 was written by Shao, Sida; Koh, Minseob; Schultz, Peter G.. COA of Formula: C11H22N2O4 And the article was included in Proceedings of the National Academy of Sciences of the United States of America on April 21 ,2020. The article conveys some information:

The genetic incorporation of noncanonical amino acids (ncAAs) into proteins has been realized in bacteria, yeast, and mammalian cells, and recently, in multicellular organisms including plants and animals. However, the addition of new building blocks to the genetic code of tissues from human origin has not yet been achieved. To this end, we report a self-replicating Epstein-Barr virus-based episomal vector for the long-term encoding of ncAAs in human hematopoietic stem cells and reconstitution of this genetically engineered hematopoietic system in mice. In the experimental materials used by the author, we found H-Lys(Boc)-OH(cas: 2418-95-3COA of Formula: 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.COA of Formula: C11H22N2O4

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

Formula: C11H22N2O4On September 30, 2019 ,《TRAIL encapsulated to polypeptide-crosslinked nanogel exhibits increased anti-inflammatory activities in Klebsiella pneumoniae-induced sepsis treatment》 was published in Materials Science & Engineering, C: Materials for Biological Applications. The article was written by Chen, Yu-Fon; Chen, Guan-Yu; Chang, Chien-Hsiang; Su, Yu-Chu; Chen, Yi-Cheng; Jiang, Yi-sheng; Jan, Jeng-Shiung. The article contains the following contents:

Bacterial infections are often treated inadequately. Sepsis, being one of its most severe forms, is a multi-layered, life-threatening syndrome induced by rampant immune responses, like cytokine storms, that leads to high morbidity and death of infected patients. Particularly, the current increment in resistant bacterial strains and the lack of creative antibiotics to counter such menace are central reasons to the worsening of the situation. To avoid the said crisis, the antimicrobial peptides (AMPs) were used to target cell wall components, such as lipopolysaccharides (LPS), seems to have the most promise. These combine the ability of broad-spectrum bactericidal activity with low potential for induction of resistance. Inhibition of cytokine storms induced by activated immune cells has been considered a feasible treatment for in sepsis. One of the therapeutic approaches widely utilized in inducing apoptosis in inflammatory cells is the use of tumor necrosis factor (TNF)-related apoptosis-inducing ligands (TRAIL), which trigger an extrinsic apoptotic pathway via death receptors. Herein, we report TRAIL encapsulated in a bactericidal polypeptide-crosslinked nanogel that suppressed Klebsiella pneumoniae infection and overactive macrophages. Of interest, nanogel and TRAIL-nanogel treatments were more toxic towards LPS-activated cells than to naive cells in cell viability assays. Treatment with TRAIL-nanogel significantly prolonged survival in septic mice and reduced bacterial numbers in circulation. As such, TRAIL-nanogel may be promising as a therapeutic agent for treating bacteria-infected diseases.H-Lys(Boc)-OH(cas: 2418-95-3Formula: C11H22N2O4) was used in this study.

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.Formula: C11H22N2O4

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

《Crystal structure of 2,2-dimethyl-N-(pyridin-3-yl)propanamide》 was written by El-Hiti, Gamal A.; Smith, Keith; Hegazy, Amany S.; Alanazi, Saud A.; Kariuki, Benson M.. Application of 70298-88-3 And the article was included in Acta Crystallographica, Section E: Crystallographic Communications on April 30 ,2015. The article conveys some information:

In the title compound, C10H14N2O, the pyridine ring is inclined to the mean plane of the amide moiety [N-C(=O)C] by 17.60 (8)°. There is an intramol. C-H···O hydrogen bond present involving the carbonyl O atom. In the crystal, mols. are linked via N-H···N hydrogen bonds, forming chains propagating along [100]. The tert-Bu group is disordered over two sets of sites with a refined occupancy ratio of 0.758 (12):0.242 (12). After reading the article, we found that the author used 2,2-Dimehtyl-N-pyridin-3-yl-propionamide(cas: 70298-88-3Application of 70298-88-3)

2,2-Dimehtyl-N-pyridin-3-yl-propionamide(cas: 70298-88-3) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.Application of 70298-88-3

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

In 2022,Wen, Juan Liang; Wen, Xin Wu; Lu, Zhen; Yun, Feng Bai; Feng, Feng; Wei, Jun Jin published an article in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy. The title of the article was 《Stimulus responsive luminescence and application of rotor type 1,1′-([2,2′-bithiophene]-3,3′-diyl)bis(ethan-1-one) and 3′-acetyl-[2,2′-bithiophene]-3-carbaldehyde as molecular rotors》.Safety of N-Methoxy-N-methylacetamide The author mentioned the following in the article:

Two dithiophene aldehyde/ketone derivatives are designed as luminescence mol. rotors, i.e., 1,1′-([2,2′-bithiophene]-3,3′-diyl)bis(ethan-1-one) (BTBE) and 3′-acetyl-[2,2′-bithiophene]-3-carbaldehyde (BTAC). Their absorption and luminescence properties, as well as the stimulus responsive luminescence characteristics of water spikes are studied in detail. In order to further explore relationship of luminescence and mol. structure, three reference compounds are also synthesized, named 1-(2-methylthiophen-3-yl)ethanone (MTE), 2-methylthiophene-3-carbaldehyde (MTC) and 4H-cyclohepta[1,2-b:7,6-b’]dithiophen-4-one (CDTO). BTBE and BTAC have two obvious absorption bands in the short wavelength region with peak wavelengths of about 212 nm and 260 nm, resp., while there is a weak trailing type absorption band in the range of about 300-400 nm. Their fluorescence spectra show two luminescence bands in the range of 280-350 nm and 400-600 nm, resp., and the latter is stronger. Compared with the absorption and luminescence spectra of the reference compounds, it is determined that two absorption bands of BTBE and BTAC in shorter wavelength region are derived from the single thiophene ring carbonyl planar unit, while the absorption band in longer region are derived from the integrated structure of dithiophene carbonyl. The fluorescence bands with peaks of about 300 nm and 470 nm originate resp. from the localized F-C vertical excited states (LE), i.e., the excited state from single planar thienyl-carbonyl unit, and integrated excited state (IE), i.e., the excited state from integrated di-thienyl-carbonyl rings linked covalently with less dihedral angle and greater degree of conjugation at excited state. The crystal structure data show that two thiophene rings possess larger dihedral angles in crystal states, 86.9° for BTBE and 60.8° for BTAC, resp. However, theor. calculation results prove the conformational stabilization energy changes little, less than 1.5 kcal/mol, as dihedral angle changes from 50° to 100°. Hydrogen bonding is sufficient to overcome the energy required for this conformational change. Therefore, both BTBE and BTAC can produce water stimulation response luminescence behavior. This stimulating response behavior of BTBE and BTAC can be applied to the preparation of water writable film materials.N-Methoxy-N-methylacetamide(cas: 78191-00-1Safety of N-Methoxy-N-methylacetamide) was used in this study.

N-Methoxy-N-methylacetamide(cas: 78191-00-1) belongs to anime. Halogenation, in which one or more hydrogen atoms of an amine is replaced by a halogen atom, occurs with chlorine, bromine, and iodine, as well as with some other reagents, notably hypochlorous acid (HClO). With primary amines the reaction proceeds in two stages, producing N-chloro- and N,N-dichloro-amines, RNHCl and RNCl2, respectively. With tertiary amines, an alkyl group may be displaced by a halogen.Safety of N-Methoxy-N-methylacetamide

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

Martinson, Elizabeth A.; Scheible, Stephan; Presek, Peter published an article in Cellular and Molecular Biology (Paris, France, Printed). The title of the article was 《Inhibition of phospholipase D of human platelets by protein tyrosine kinase inhibitors》.Product Details of 106392-48-7 The author mentioned the following in the article:

Protein tyrosine kinases (PTKs) of the src family are thought to play an important role in platelet signal transduction, but little is known about the targets of these enzymes in platelets. We determined that exposure of human platelets to pervanadate, an inhibitor of protein tyrosine phosphatases, caused an increase in the activity of phospholipase D (PLD), an enzyme that might be involved in signaling events leading to aggregation or secretion. To further investigate whether tyrosine phosphorylation is a step in the pathway of activation of PLD in response to thrombin, we tested the effects of a series of PTK inhibitors on the activity of platelet PLD. PLD was activated in response to 0.3 U/mL thrombin, and this activation was reduced by several of the PTK inhibitors, especially genistein, Me 2,5-dihydroxycinnamate (MDHC), ST271, and the tyrphostins A25 and A47. In saponin-permeabilized platelets, we observed a marked inhibition of GTPγS-stimulated PLD by many of the PTK inhibitors, consistent with the possibility that PTKs are involved in the regulation of PLD activity by a G-protein or small GTP-binding protein. MDHC did not affect PLD activity in permeabilized cells, which suggests that this compound might inhibit PLD in intact platelets via another pathway. The inhibitors were also tested for their effects on the phosphorylation of a peptide substrate of src-family PTKs in a platelet membrane preparation and in permeabilized platelets. Several of the compounds partially inhibited peptide phosphorylation in the membrane preparation and in permeabilized platelets, most notably ST271, ST638, and tyrphostin A25. These results suggest that the activation of PLD by thrombin during platelet stimulation is at least partially controlled by protein tyrosine kinases, possibly pp60c-src or other members of the src family. In the part of experimental materials, we found many familiar compounds, such as 2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide(cas: 106392-48-7Product Details of 106392-48-7)

2-Cyano-3-(4-hydroxy-3,5-diisopropylphenyl)acrylamide(cas: 106392-48-7) belongs to amides.Product Details of 106392-48-7Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis.

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

In 2022,Friedrich, Erik; Heinrich, Timo; Rosenberger, Lara; Krier, Mireille; Marek, Stephanie; Reggelin, Michael published an article in Acta Crystallographica, Section E: Crystallographic Communications. The title of the article was 《Synthesis and crystal structure of rac-2-(1,3-dioxoisoindolin-2-yl)ethyl 4-methyl-N-phenyl-N′-(triisopropylsilyl)benzenesulfondiimidoate: the first member of a new substance class》.COA of Formula: C7H9NO2S The author mentioned the following in the article:

The title compound {systematic name: rac-2-[7-methyl-4-(4-methylphenyl)-4-(phenylimino)-6,6-bis(propan-2-yl)-3-oxa-4λ6-thia-5-aza-6-silaoct-4-en-1-yl]-2,3-dihydro-1H-isoindole-1,3-dione}, C32H41N3O3SSi, was synthesized by desoxychlorination of 4-methyl-N-phenyl-N′-(triisopropylsilyl)benzenesulfonimidamide and subsequent reaction with 2-(2-hydroxyethyl)isoindoline-1,3-dione. The racemic compound was crystallized from isopropanol. The structural characterization by single-crystal X-ray diffraction revealed two double-bonded nitrogen atoms to the central sulfur atom and an overall crystal packing driven by its aromatic interactions. The results came from multiple reactions, including the reaction of 4-Methylbenzenesulfonamide(cas: 70-55-3COA of Formula: C7H9NO2S)

4-Methylbenzenesulfonamide(cas: 70-55-3) belongs to anime. To avoid the problem of multiple alkylation, methods have been devised for “blocking” substitution so that only one alkyl group is introduced. The Gabriel synthesis is one such method; it utilizes phthalimide, C6H4(CO)2NH, whose one acidic hydrogen atom has been removed upon the addition of a base such as KOH to form a salt.COA of Formula: C7H9NO2S

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

Uebler, Jacob W.; LaDuca, Robert L. published an article in Acta Crystallographica, Section E: Structure Reports Online. The title of the article was 《Diaquabis[N-(pyridin-4-yl)isonicotinamide-κN]bis(thiocyanato-κN)cobalt(II)》.Synthetic Route of C11H9N3O The author mentioned the following in the article:

In the title compound, [Co(NCS)2(C11H9N3O)2(H2O)2], the octahedrally coordinated CoII ion lies on a crystallog. inversion center and is bound by two isothiocyanate ligands, two aqua ligands and two N-(pyridin-4-yl)isonicotinamide (4-pina) ligands. The dihedral angle between the aromatic rings in the 4-pina ligand is 8.98(11)°. In the crystal, the individual mol. units are aggregated in three dimensions by O-H···N, O-H···S, and N-H···S hydrogen bonds. The experimental part of the paper was very detailed, including the reaction process of N-(Pyridin-4-yl)isonicotinamide(cas: 64479-78-3Synthetic Route of C11H9N3O)

N-(Pyridin-4-yl)isonicotinamide(cas: 64479-78-3) belongs to amides.Synthetic Route of C11H9N3O The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds.

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

Fun, Hoong-Kun; Chantrapromma, Suchada; Dayananda, A. S.; Yathirajan, H. S.; Ramesha, A. R. published their research in Acta Crystallographica, Section E: Structure Reports Online on February 29 ,2012. The article was titled 《2-Amino-N-[3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl]acetamide》.COA of Formula: C15H15ClN2O2S The article contains the following contents:

In the title compound, C15H15ClN2O2S, the 2-aminoacetamide N-C(=O)-C-N unit is approx. planar, with an root-mean-square deviation of 0.020(4) Å. The central thiophene ring makes dihedral angles of 7.84(11) and 88.11(11)°, resp., with the 2-aminoacetamide unit and the 2-chloropenyl ring. An intramol. N-H···O H bond generates an S(6) ring motif. In the crystal, mols. are linked by an N-H···O H bond and weak C-H···O interactions into a chain along the c axis. A C-H···π interaction is also present. Crystallog. data and at. coordinates are given. The results came from multiple reactions, including the reaction of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide(cas: 50509-09-6COA of Formula: C15H15ClN2O2S)

2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide(cas: 50509-09-6) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.COA of Formula: C15H15ClN2O2S

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

Application In Synthesis of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamideOn September 30, 2014 ,《Crystal structure of N-[3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl]-2-[(E)-(2-hydroxybenzylidene)amino]acetamide》 was published in Acta Crystallographica, Section E: Structure Reports Online. The article was written by Kaur, Manpreet; Jasinski, Jerry P.; Kavitha, Channappa N.; Yathirajan, Hemmige S.; Byrappa, K.. The article contains the following contents:

In the title compound, C22H19ClN2O3S, the dihedral angle between the mean planes of the thiophene ring and the chlorophenyl and hydroxyphenyl rings are 70.1(1) and 40.2(4)°, resp. The benzene rings are twisted with respect to each other by 88.9(3)°. The imine bond lies in an E conformation. Intramol. O-H···N and N-H···O H bonds each generate S(6) ring motifs. In the crystal, weak C-H···O interactions link the mols., forming chains along the c axis and zigzag chains along the b axis, generating sheets lying parallel to (100). Crystallog. data and at. coordinates are given. The results came from multiple reactions, including the reaction of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide(cas: 50509-09-6Application In Synthesis of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide)

2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide(cas: 50509-09-6) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.Application In Synthesis of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide

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

《Nicotinamide and structurally related compounds show halting activity against zoospores of the phytopathogenic fungus Aphanomyces cochlioides》 was written by Shimai, Takashi; Islam, Tofazzal Md.; Fukushi, Yukiharu; Hashidoko, Yasuyuki; Yokosawa, Ryozo; Tahara, Satoshi. HPLC of Formula: 89281-13-0 And the article was included in Zeitschrift fuer Naturforschung, C: Journal of Biosciences on April 30 ,2002. The article conveys some information:

In a survey of plant secondary metabolites regulating the behavior of phytopathogenic Aphanomyces cochlioides zoospores, we found that leaf extracts of Amaranthus gangeticus and cotyledon extracts of pea (Pisum sativum) remarkably halted the motility of zoospores. Bioassay-directed fractionation of A. gangeticus and pea constituents revealed that the halting activity was dependent on a single chem. factor (halting factor). The active principle was identified as nicotinamide (1) by comparing its biol. activity and spectroscopic properties with those of the authentic compound Nicotinamide (1) showed potent halting activity toward the zoospores of A. cochlioides and A. euteiches, but it exhibited very less activity against other Oomycetes, Pythium aphanidermatum and Phytophthora infestans zoospores. Interestingly, the zoospores halted by nicotinamide (1) encysted within 10-15 min and then the resulting cystospores regenerated zoospores instead of germination. Nicotinamide (1) and related compounds were subjected to the halting activity bioassay to elucidate the structure-activity relationships. These bioassays revealed that part structures of (A) the aromatic ring containing at least one nitrogen atom, (B) carbonyl-like group adjacent to the aromatic ring and (C) hydrogen atoms on the amide group are responsible for the strong activity. So far, this is the first report of halting activity of nicotinamide (1) against fungal zoospores. In the experiment, the researchers used 2,6-Dichloroisonicotinamide(cas: 89281-13-0HPLC of Formula: 89281-13-0)

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.HPLC of Formula: 89281-13-0

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