Category: amides-buliding-blocks

McCutcheon, David C.; Lee, Gihoon; Carlos, Anthony; Montgomery, Jeffrey E.; Moellering, Raymond E. published an article on January 8 ,2020. The article was titled 《Photoproximity Profiling of Protein-Protein Interactions in Cells》, and you may find the article in Journal of the American Chemical Society.Application In Synthesis of H-Lys(Boc)-OH The information in the text is summarized as follows:

We report a novel photoproximity protein interaction (PhotoPPI) profiling method to map protein-protein interactions in vitro and in live cells. This approach utilizes a bioorthogonal, multifunctional chem. probe that can be targeted to a genetically encoded protein of interest (POI) through a modular SNAP-Tag/benzylguanine covalent interaction. A first generation photoproximity probe, PP1, responds to 365 nm light to simultaneously cleave a central nitroveratryl linker and a peripheral diazirine group, resulting in diffusion of a highly reactive carbene nucleophile away from the POI. We demonstrate facile probe loading, and subsequent interaction- and light-dependent proximal labeling of a model protein-protein interaction (PPI) in vitro. Integration of the PhotoPPI workflow with quant. LC-MS/MS enabled unbiased interaction mapping for the redox regulated sensor protein, KEAP1, for the first time in live cells. We validated known and novel interactions between KEAP1 and the proteins PGAM5 and HK2, among others, under basal cellular conditions. By contrast, comparison of PhotoPPI profiles in cells experiencing metabolic or redox stress confirmed that KEAP1 sheds many basal interactions and becomes associated with known lysosomal trafficking and proteolytic proteins like SQSTM1, CTSD, and LGMN. Together, these data establish PhotoPPI as a method capable of tracking the dynamic subcellular and protein interaction “”social network”” of a redox-sensitive protein in cells with high temporal resolution The results came from multiple reactions, including the reaction of H-Lys(Boc)-OH(cas: 2418-95-3Application In Synthesis of H-Lys(Boc)-OH)

H-Lys(Boc)-OH(cas: 2418-95-3) belongs to amino acids. In addition to subunits of proteins, amino acids have many other functions as well, including osmoregulation (proline), neurotransmitters (gamma-aminobutyric acid), metabolic intermediates (ornithine and citrulline), and inhibitors (dehydroproline).Application In Synthesis of H-Lys(Boc)-OH

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

In 2022,de Jesus Cruz, Pedro; Cassels, William R.; Chen, Chun-Hsing; Johnson, Jeffrey S. published an article in Science (Washington, DC, United States). The title of the article was 《Doubly stereoconvergent crystallization enabled by asymmetric catalysis》.Synthetic Route of C4H9NO2 The author mentioned the following in the article:

Herein, discovery and development of a catalyst-mediated asym. Michael addition/crystallization-induced diastereomer transformation of broad scope was reported. The sequence controlled three stereogenic centers, two of which were stereochem. labile. The configurational instability of 1,3-dicarbonyls and nitroalkanes, typically considered a liability in stereoselective synthesis, was productively leveraged by merging enantioselective Bronsted base organocatalysis and thermodn. stereocontrol using a single convergent crystallization The synthesis of useful γ-nitro β-keto amides containing three contiguous stereogenic centers was thus achieved from Michael acceptors containing two prochiral centers. The experimental process involved the reaction of N-Methoxy-N-methylacetamide(cas: 78191-00-1Synthetic Route of C4H9NO2)

N-Methoxy-N-methylacetamide(cas: 78191-00-1) belongs to anime. Many important products require amines as part of their syntheses. Methylamine is utilized in the production of the analgesic meperidine (trade name Demerol) and the photographic developer Metol (trademark), and dimethylamine is used in the synthesis of the antihistamine diphenhydramine (trade name Benadryl), the solvent dimethylformamide (DMF), and the rocket propellant 1,1-dimethylhydrazine. The synthesis of the insect repellent N,N-diethyl-m-toluamide (DEET) incorporates diethylamine while that of the synthetic fibre Kevlar requires aromatic amines.Synthetic Route of C4H9NO2

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

In 2019,Angewandte Chemie, International Edition included an article by Bosnidou, Alexandra E.; Muniz, Kilian. Computed Properties of C7H9NO2S. The article was titled 《Intermolecular Radical C(sp3)-H Amination under Iodine Catalysis》. The information in the text is summarized as follows:

Alkanes and aryl alkanes such as ethylbenzene underwent regioselective amination with sulfonamides such as trifluoromethanesulfonamide in the presence of I2 using iodobenzene bis(4-bromobenzoate) as the stoichiometric oxidant in anhydrous dichloromethane under blue LED irradiation to yield N-sulfonyl benzylic and alkyl amines such as PhCH(NHTf)Me. The method was used to prepare aminated amino acids and racemic arylglycinates and β-aryl-β-alaninates as well as memantine, rasagiline, and racemic sertraline. The method was also used to prepare trans-2,5-disubstituted pyrrolidines by iodine-catalyzed photochem. amination of phenylalkanes with methanesulfonamide followed by intramol. amination in the presence of I2 using phenyliodine bis(3-chlorobenzoate) as the stoichiometric oxidant; the method was also used to prepare the dibenzoazabicyclooctane anticonvulsant MK-801. In the experimental materials used by the author, we found 4-Methylbenzenesulfonamide(cas: 70-55-3Computed Properties of C7H9NO2S)

4-Methylbenzenesulfonamide(cas: 70-55-3) 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.Computed Properties of C7H9NO2S

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

In 2017,Valderrey, Virginia; Bonasera, Aurelio; Fredrich, Sebastian; Hecht, Stefan published 《Light-Activated Sensitive Probes for Amine Detection》.Angewandte Chemie, International Edition published the findings.Recommanded Product: N-Methoxy-N-methylacetamide The information in the text is summarized as follows:

The authors’ new, simple, and accurate colorimetric method is based on diarylethenes (DAEs) for the rapid detection of a wide range of primary and secondary amines. The probes consist of aldehyde- or ketone-substituted diarylethenes, which undergo an amine-induced decoloration reaction, selectively to give the ring-closed isomer. Thus, these probes can be activated at the desired moment by light irradiation, with a sensitivity that allows the detection of amines at concentrations as low as 10-6 M in solution In addition, the practical immobilization of DAEs on paper makes it possible to detect biogenic amines, such as cadaverine, in the gas phase above a threshold of 12 ppbv within 30 s. In the part of experimental materials, we found many familiar compounds, such as N-Methoxy-N-methylacetamide(cas: 78191-00-1Recommanded Product: N-Methoxy-N-methylacetamide)

N-Methoxy-N-methylacetamide(cas: 78191-00-1) belongs to anime. Amines characteristically form salts with acids; a hydrogen ion, H+, adds to the nitrogen. With the strong mineral acids (e.g., H2SO4, HNO3, and HCl), the reaction is vigorous. Salt formation is instantly reversed by strong bases such as NaOH. Neutral electrophiles (compounds attracted to regions of negative charge) also react with amines; alkyl halides (R′X) and analogous alkylating agents are important examples of electrophilic reagents.Recommanded Product: N-Methoxy-N-methylacetamide

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

The author of 《Sense codon reassignment enables viral resistance and encoded polymer synthesis》 were Robertson, Wesley E.; Funke, Louise F. H.; de la Torre, Daniel; Fredens, Julius; Elliott, Thomas S.; Spinck, Martin; Christova, Yonka; Cervettini, Daniele; Boge, Franz L.; Liu, Kim C.; Buse, Salvador; Maslen, Sarah; Salmond, George P. C.; Chin, Jason W.. And the article was published in Science (Washington, DC, United States) in 2021. Application of 2418-95-3 The author mentioned the following in the article:

It is widely hypothesized that removing cellular tRNAs (tRNAs)-making their cognate codons unreadable-might create a genetic firewall to viral infection and enable sense codon reassignment. However, it has been impossible to test these hypotheses. In this work, following synonymous codon compression and laboratory evolution in Escherichia coli, we deleted the tRNAs and release factor 1, which normally decode two sense codons and a stop codon; the resulting cells could not read the canonical genetic code and were completely resistant to a cocktail of viruses. We reassigned these codons to enable the efficient synthesis of proteins containing three distinct noncanonical amino acids. Notably, we demonstrate the facile reprogramming of our cells for the encoded translation of diverse noncanonical heteropolymers and macrocycles. In the experiment, the researchers used H-Lys(Boc)-OH(cas: 2418-95-3Application of 2418-95-3)

H-Lys(Boc)-OH(cas: 2418-95-3) belongs to amino acids. In addition to subunits of proteins, amino acids have many other functions as well, including osmoregulation (proline), neurotransmitters (gamma-aminobutyric acid), metabolic intermediates (ornithine and citrulline), and inhibitors (dehydroproline).Application of 2418-95-3

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

Andres, J. Ignacio; Alonso, Jose M.; Fernandez, Javier; Iturrino, Laura; Martinez, Pedro; Meert, Theo F.; Sipido, Victor K. published their research in Bioorganic & Medicinal Chemistry Letters on December 16 ,2002. The article was titled 《2-(Dimethylaminomethyl)-tetrahydroisoxazolopyridobenzazepine derivatives. Synthesis of a new 5-HT2C antagonist with potential anxiolytic properties》.Application of 70298-88-3 The article contains the following contents:

The synthesis of 2-(dimethylaminomethyl)-2,3,3a,8-tetrahydroisoxazolo[3,2-a]pyrido[3,4-c]-[2]benzazepine and 2-(dimethylaminomethyl)-2,3,3a,8-tetrahydroisoxazolo[3,2-a]pyrido[3,2-c]-[2]benzazepine via a new route is reported. The affinities for several receptors as well as the m-chlorophenylpiperazine antagonistic activity of the compounds synthesized are described. 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. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Application of 70298-88-3

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

The author of 《Different Metal Aggregation in Copper Acetate Chain Coordination Polymers with Dipyridyl Tethers Bearing Hydrogen Bonding Capable Functional Groups》 were Uebler, Jacob W.; Stone, Brandon S.; LaDuca, Robert L.. And the article was published in Zeitschrift fuer Anorganische und Allgemeine Chemie in 2013. Recommanded Product: N-(Pyridin-4-yl)isonicotinamide The author mentioned the following in the article:

Hydrothermal synthesis has afforded a pair of divalent copper acetate coordination polymers containing either 4,4′-dipyridylamine (dpa) or 4-pyridylisonicotinamide (4-pina), both of which have H-bonding-capable central functional groups. X-ray crystallog. revealed that both exhibit a 1-dimensional chain structure. Use of the kinked tethering ligand dpa produced [Cu(OAc)2(dpa)]n (1), which possesses a simple chain based on dpa linkage of isolated Cu ions. However, employing the straighter amide ligand 4-pina generated {[Cu(OAc)2(4-pina)]·0.5H2O}n (2), which exhibits {Cu2O2} rhomboid dimers formed through bridging acetate ligands. Weak antiferromagnetic coupling [g = 1.984(3), J = -3.2(3) cm-1] was observed within the axial-equatorial bridged {Cu2O2} dimers in 2, with possible ferrimagnetism due to spin canting <11 K.N-(Pyridin-4-yl)isonicotinamide(cas: 64479-78-3Recommanded Product: N-(Pyridin-4-yl)isonicotinamide) was used in this study.

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.Recommanded Product: N-(Pyridin-4-yl)isonicotinamide In primary and secondary amides, the presence of N–H dipoles allows amides to function as H-bond donors as well.

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

In 2016,Fernandez, Jorge; Chicharro, Jesus; Bueno, Jose M.; Lorenzo, Milagros published 《Isoxazole mediated synthesis of 4-(1H)pyridones: improved preparation of antimalarial candidate GSK932121》.Chemical Communications (Cambridge, United Kingdom) published the findings.Formula: C4H9NO2 The information in the text is summarized as follows:

A new synthesis of the antimalarial clin. candidate GSK932121 is described. This approach has two key reactions, the selective acylation of an unprotected 3-hydroxymethyl-5-Me isoxazole and the reductive N-O bond cleavage of the previously functionalized isoxazole derivative, to give the 4-(1H)pyridone ring present in the final structure. The complete synthesis consists of 5 steps (vs. 10 steps in previously published reports) and has enabled the preparation of the material in kilogram scale to support clin. studies. The experimental part of the paper was very detailed, including the reaction process of N-Methoxy-N-methylacetamide(cas: 78191-00-1Formula: C4H9NO2)

N-Methoxy-N-methylacetamide(cas: 78191-00-1) belongs to anime. Reaction with nitrous acid (HNO2), which functions as an acylating agent that is a source of the nitrosyl group (―NO), converts aliphatic primary amines to nitrogen and mixtures of alkenes and alcohols corresponding to the alkyl group in a complex process. This reaction has been used for analytical determination of primary amino groups in a procedure known as the Van Slyke method.Formula: C4H9NO2

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

Vejdelek, Zdenek; Rajsner, Miroslav; Svatek, Emil; Holubek, Jiri; Protiva, Miroslav published their research in Collection of Czechoslovak Chemical Communications on December 31 ,1979. The article was titled 《Benzocycloheptenes and heterocyclic analogs as potential drugs. XIV. Synthesis of 7-chloro-5-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-2-(methylamino)-3H-1,4-benzodiazepine 4-oxide and of some related compounds》.Safety of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide The article contains the following contents:

The base-catalyzed condensation of 4-ClC6H4NO2 with 2-(cyanomethyl)-6,7,8,9-tetrahydro-5H-benzocycloheptene afforded the 2,1-benzisoxazole derivative I, which was reduced with Fe in AcOH to the ketone II. Its oxime was treated with ClCH2COCl in AcOH and gave 6-chloro-2-(chloromethyl)-4-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)quinazoline 3-oxide. Treatment with MeNH2 in MeOH led to the substitution reaction with a simultaneous ring enlargement and the title compound III was formed. A similar reaction with 1-methylpiperazine proceeded without rearrangement resulting in the quinazoline derivative IV. III and IV were devoid of anticonvulsant activity. 7-Chloro-5-(6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-1,3-dihydro-1,4-benzodiazepin-2-one (mol. complex with II), 6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl 3′-(4-ethoxycarbonyl 4-phenylpiperidino)propyl ketone (an analog of pethidine devoid of analgetic activity), and intermediates useful in the synthesis of 5-(2-chlorophenyl)-7-ethyl-1,3-dihydrothieno[2,3-e]-1,4-diazepin-2-ones were also prepared In the experiment, the researchers used 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide(cas: 50509-09-6Safety 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.Safety of 2-Amino-N-(3-(2-chlorobenzoyl)-5-ethylthiophen-2-yl)acetamide

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

The author of 《Protein-protein inhibitor designed de novo to target the MEEVD region on the C-terminus of Hsp90 and block co-chaperone activity》 were Rahimi, Marwa N.; McAlpine, Shelli R.. And the article was published in Chemical Communications (Cambridge, United Kingdom) in 2019. HPLC of Formula: 2418-95-3 The author mentioned the following in the article:

Protein-protein interactions control all cellular functions. Presented is the 1st de novo designed protein-protein interaction inhibitor that targets the C-terminus of heat shock protein 90 (Hsp90) and blocks co-chaperones from binding. Compound LB76, which was created from an Hsp90 co-chaperone, selectively pulls down Hsp90 from cell lysates, binds to Hsp90’s C-terminal domain, and blocks the interactions between Hsp90 and TPR-containing co-chaperones. Through these interactions, LB76 inhibits the protein-folding function of Hsp90. Blocking these protein-protein interactions between Hsp90 and C-terminal co-chaperones regulate the cell’s entire protein-folding machinery. In the part of experimental materials, we found many familiar compounds, such as H-Lys(Boc)-OH(cas: 2418-95-3HPLC of Formula: 2418-95-3)

H-Lys(Boc)-OH(cas: 2418-95-3) belongs to amino acids. In addition to subunits of proteins, amino acids have many other functions as well, including osmoregulation (proline), neurotransmitters (gamma-aminobutyric acid), metabolic intermediates (ornithine and citrulline), and inhibitors (dehydroproline).HPLC of Formula: 2418-95-3

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