Tag: M.W=100-150

Cho, Il Young published the artcileNickelocene as an Air- and Moisture-Tolerant Precatalyst in the Regioselective Synthesis of Multisubstituted Pyridines, Computed Properties of 100-70-9, the main research area is pyridine derivative regioselective preparation; diyne nitrile cycloaddition nickelocene catalyst.

Herein, operationally simple nickel(0) catalysis to access substituted pyridines I [R = Me, Ph, 2-furyl, etc.; R1 = Me, Ph, trimethylsilyl, etc.; R2 = H, Me, Ph, etc.; Z = CH2, O, C(CO2Et)2, N-Ts] from various nitriles and 1,6-diynes without the aid of air-free techniques was reported. The Ni-Xantphos-based catalytic manifold was tolerant to air, moisture and heat while promoting the [2 + 2 + 2] cycloaddition reactions with high reaction yields and broad substrate scope. In addition, the steric effect but also the frontier MO interactions could played a critical role in determining the regiochem. outcome of nickel-catalyzed [2 + 2 + 2] cycloaddition for the synthesis of compounds I.

Journal of Organic Chemistry published new progress about Aromatic esters Role: PRP (Properties), RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 100-70-9 belongs to class nitriles-buliding-blocks, name is Picolinonitrile, and the molecular formula is C6H4N2, Computed Properties of 100-70-9.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Kumar, Girijesh published the artcileSynthesis and photophysical properties of pyridyl conjugated triazole appended naphthalenediimide derivatives, Computed Properties of 100-70-9, the main research area is bis dipyridinyltriazolyl phenanthroline tetraone preparation reduction potential fluorescence.

A series of three substituted triazole appended naphthalenediimide (NDI)-derivatives, 2,7-bis(3,5-di(pyridin-X-yl)-4H-1,2,4-triazol-4-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraones (where X = 2, NDI-PyTz-1; 3, NDI-PyTz-2; and 4, NDI-PyTz-3), were designed, synthesized and well characterized using various anal. and spectroscopic techniques. All the three NDI-PyTz derivatives exhibited decent electronic properties as suggested by DFT, cyclic voltammetry and fluorescence studies. In particular, NDI-PyTz-1 demonstrated the generation of a stable anion radical [NDI-PyTz-1].-.

Photochemical & Photobiological Sciences published new progress about Aromatic nitriles Role: RCT (Reactant), RACT (Reactant or Reagent). 100-70-9 belongs to class nitriles-buliding-blocks, name is Picolinonitrile, and the molecular formula is C6H4N2, Computed Properties of 100-70-9.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Zeng, Fanxin published the artcileDesign, Synthesis and Bioactivity Evaluation of Coumarin-BMT Hybrids as New Acetylcholinesterase Inhibitors, Name: 2-Aminobenzonitrile(Flakes or Chunks), the main research area is tetrahydromethanoacridinyl aminoalkylcarboxamido coumarin preparation acetylcholinesterase inhibition kinetics SAR docking; acetylcholinesterase inhibitors; bioactivity evaluation; coumarin–BMT hybrids; molecular docking.

The compound bridge methylene tacrine (BMT) was synthesized, which has the classical pharmacophore structure of Tacrine (THA). Based on the principle of active substructure splicing, BMT was used as a lead compound and synthesized coumarin-BMT hybrids I [n = 5, 6, 7; R1 = H, Me, MeO, F3CO, Br; R2 = H, MeO] by introducing coumarin to BMT. In this work, 21 novel hybrids of BMT and coumarin I were synthesized and evaluated for their inhibitory activity on AChE. All obtained compounds I presented preferable inhibition. Compound I [n = 6, R1 = Me, R2 = H] was the most active compound, with the value of Ki as 49.2 nM, which was higher than Galantamine (GAL) and lower than THA. The result of mol. docking showed that the highest binding free energy was -40.43 kcal/mol for compound I [n = 6, R1 = Me, R2 = H] which was an identical trend with the calculated Ki.

Molecules published new progress about Aminoacridines Role: PAC (Pharmacological Activity), PRP (Properties), RCT (Reactant), SPN (Synthetic Preparation), THU (Therapeutic Use), BIOL (Biological Study), RACT (Reactant or Reagent), PREP (Preparation), USES (Uses). 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, Name: 2-Aminobenzonitrile(Flakes or Chunks).

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Wilkovitsch, Martin published the artcileA Cleavable C2-Symmetric trans-Cyclooctene Enables Fast and Complete Bioorthogonal Disassembly of Molecular Probes, SDS of cas: 100-70-9, the main research area is bioorthogonal disassembly mol fluorescent probe trans cyclooctene cell imaging.

Bioorthogonal chem. is bridging the divide between static chem. connectivity and the dynamic physiol. regulation of mol. state, enabling in situ transformations that drive multiple technologies. In spite of maturing mechanistic understanding and new bioorthogonal bond-cleavage reactions, the broader goal of mol. ON/OFF control has been limited by the inability of existing systems to achieve both fast (i.e., seconds to minutes, not hours) and complete (i.e., >99%) cleavage. To attain the stringent performance characteristics needed for high fidelity mol. inactivation, we have designed and synthesized a new C2-sym. trans-cyclooctene linker (C2TCO) that exhibits excellent biol. stability and can be rapidly and completely cleaved with functionalized alkyl-, aryl-, and H-tetrazines, irresp. of click orientation. By incorporation of C2TCO into fluorescent mol. probes, we demonstrate highly efficient extracellular and intracellular bioorthogonal disassembly via omnidirectional tetrazine-triggered cleavage.

Journal of the American Chemical Society published new progress about Bioorthogonal reaction. 100-70-9 belongs to class nitriles-buliding-blocks, name is Picolinonitrile, and the molecular formula is C6H4N2, SDS of cas: 100-70-9.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Grudova, Mariya V. published the artcileAdducts of 2-Pyridylselenenyl Halides and Nitriles as Novel Supramolecular Building Blocks: Four-Center Se···N Chalcogen Bonding versus Other Weak Interactions, Related Products of nitriles-buliding-blocks, the main research area is pyridylselenenyl halide reaction nitrile; adduct pyridylselenenyl halide nitrile supramol building; selenadiazole halide preparation crystal mol structure.

Supramol. chem. of chalcogenadiazoles is attracting an increasing attention due to its applications in materials chem. Chalcogen bonding allows a fine-tuning of the self-assembly and, therefore, modulation of phys. properties when these compounds are employed. Here, authors report a facile preparation of a broad scope of 1,2,4-selenadiazoles via coupling of 2-pyridylselenenyl halides with unactivated nitriles, that represent a novel type of supramol. building blocks which eagerly engage in a variety of chalcogen bonding interactions. The substituent-dependent propensity of novel selenadiazoles for the formation of four-center Se···N chalcogen bonding is analyzed. Other weak interactions, which in some cases outcompete the formation of 2Se-2N squares, are described. The discovery of the adducts derived from α-halogenated nitriles, which form robust dimers featuring a very specific combination of 2Se-2N square, two Hal···Hal, and two Se···Hal noncovalent interactions, is presented.

Crystal Growth & Design published new progress about Crystal structure. 91-15-6 belongs to class nitriles-buliding-blocks, name is Phthalonitrile, and the molecular formula is C8H4N2, Related Products of nitriles-buliding-blocks.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Goldberg, Mariano published the artcileFacile conversion of 1,2-dicyanobenzene into chiral bisamidines, Product Details of C8H4N2, the main research area is chiral bisamidine preparation; diarylethylene diamine dicyanobenzene nucleophilic catalysis acetyl cysteine catalyst.

Nucleophilic catalysis by N-acetyl cysteine permits the smooth reaction of 1,2-diarylethylene-1,2-diamines (R,R)/(S,S)-RCH(NH2)CH(NH2)R (R = Ph, 2-hydroxyphenyl, biphenyl-4-yl, naphth-1-yl, naphth-2-yl) with 1,2-dicyanobenzene forming chiral bisamidines I in yields up to 94% in a single step. Such bisamidines can be used as Bronsted bases or, in the protonated state, as electrophilic catalysts to promote Diels-Alder reactions with medium levels of enantioselectivity.

ARKIVOC (Gainesville, FL, United States) published new progress about Aromatic diamines Role: RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 91-15-6 belongs to class nitriles-buliding-blocks, name is Phthalonitrile, and the molecular formula is C8H4N2, Product Details of C8H4N2.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Waltemate, Jana published the artcile10-(4-Phenylpiperazine-1-carbonyl)acridin-9(10H)-ones and related compounds: Synthesis, antiproliferative activity and inhibition of tubulin polymerization, Name: 2-Aminobenzonitrile(Flakes or Chunks), the main research area is piperazinecarbonyl acridinone synthesis anticancer tubulin polymerization inhibitor; 10-(4-Phenylpiperazine-1-carbonyl)acridin-9(10H)-ones; 10-Benzoylacridin-9(10H)-ones; Antimitotic; Apoptosis; Colchicin binding site; Inhibition of Tubulin Polymerization.

As part of our continuing search for potent inhibitors of tubulin polymerization, two novel series of 42 10-(4-phenylpiperazine-1-carbonyl)acridin-9(10H)-ones and N-benzoylated acridones were synthesized on the basis of a retrosynthetic approach. All newly synthesized compounds were tested for antiproliferative activity and interaction with tubulin. Several analogs potently inhibited tumor cell growth. Among the compounds tested, 10-(4-(3-methoxyphenyl)piperazine-1-carbonyl)acridin-9(10H)-one (17c, I) exhibited excellent growth inhibitory effects on 93 tumor cell lines, with an average GI50 value of 5.4 nM. We were able to show that the strong cytotoxic effects are caused by disruption of tubulin polymerization, as supported by the EBI (N,N’-Ethylenebis(iodoacetamide)) assay and the fact that the most potent inhibitors of cancer cell growth turned out to be the most efficacious tubulin polymerization inhibitors. Potencies were nearly comparable or superior to those of the antimitotic reference compounds Closely related to this, the most active analogs inhibited cell cycling at the G2/M phase at concentrations down to 30 nM and induced apoptosis in K562 leukemia cells. We believe that our work not only proves the excellent suitability of the acridone scaffold for the design of potent tubulin polymerization inhibitors but also enables synthetic access to further potentially interesting N-acylated acridones.

Bioorganic & Medicinal Chemistry Letters published new progress about Acylation. 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, Name: 2-Aminobenzonitrile(Flakes or Chunks).

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Li, Shuai published the artcileDesign, synthesis and biological evaluation of homoerythrina alkaloid derivatives bearing a triazole moiety as PARP-1 inhibitors and as potential antitumor drugs, HPLC of Formula: 1885-29-6, the main research area is homoerythrina alkaloid triazole preparation antitumor PARP 1 inhibitor; 1,2,3-Triazole; Antitumor; Apoptosis; Drug discovery; Homoerythrina alkaloid; PARP-1 inhibitor.

A series of homoerythrina alkaloid derivatives containing a 1,2,3-triazole moiety as PARP-1 inhibitors were designed and synthesized. And their anti-proliferative activity was further evaluated. Compound I had excellent activity to inhibit proliferation of A549 cells (IC50 = 1.89μM), which was higher than harringtonine (IC50 = 10.55μM), pemetrexed (IC50 = 3.39μM), and rucaparib (IC50 = 4.91μM). Furthermore, the selectivity index of compound I was higher than rucaparib and pemetrexed for lung cancer cells. Flow cytometry anal. showed that compound I significantly arrested the cell cycle in the S phase, then induced apoptosis of A549 cells (apoptosis rate is 46%), which effectively inhibited cell proliferation. Simultaneously, western blot anal. revealed that compound I could prevent the biosynthesis of PAR. Further anal. results revealed that compound I could inhibit the expression of cyclin A, down-regulate the expression of bcl-2/bax, activate caspase-3, and ultimately induce apoptosis of A549 cells. All the results indicated that compound I had potential research value as a novel PARP-1 inhibitor in antitumor, and it provided a new reference for further development of PARP-1 inhibitors.

Bioorganic Chemistry published new progress about Antitumor agents. 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, HPLC of Formula: 1885-29-6.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Rodriguez, Jose F. published the artcileSynthesis of 1-Amino-2,2,2-trifluoroalkylphosphonates from Alkene-Tethered Trifluoroacetimidoyl Chlorides, Category: nitriles-buliding-blocks, the main research area is alkene tethered trifluoroacetimidoyl chloride preparation cyclization alkyl phosphite; aminotrifluoroalkyl phosphonate preparation crystal structure; mol structure aminotrifluoroalkyl phosphonate.

The reaction of alkene-tethered trifluoroacetimidoyl chlorides with trialkyl phosphites furnishes 1-amino-2,2,2-trifluoroalkylphosphonates. The products were generated in moderate to good yields, and the scalability of this process was showcased. Partial hydrolysis of the phosphonate moiety was achieved. The cyclization probably occurs via formation of an imidoyl phosphonate intermediate that becomes susceptible to nucleophilic attack at N through the strong electron-withdrawing groups at the imidoyl C.

Organic Letters published new progress about Crystal structure. 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, Category: nitriles-buliding-blocks.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

Kshirsagar, Rajendra R. published the artcileDesign, Synthesis, and the Effects of (E)-9-Oxooctadec-10-en-12-ynoic Acid Analogues to Promote Glucose Uptake, Related Products of nitriles-buliding-blocks, the main research area is oxooctadecenynoic acid analog preparation antidiabetic activity.

(E)-9-Oxooctadec-10-en-12-ynoic acid is found to mediate its antidiabetic activity by increasing insulin-stimulated glucose uptake in L6 myotubes by activating the phosphoinositide 3-kinase (PI3K) pathway. A simultaneous study of site-specific modification followed by structure-activity relationship provides a tremendous scope for exploiting the bioactivity of the parent mol. Therefore, in the present study, we focused on site-specific modification of (E)-9-oxooctadec-10-en-12-ynoic acid (1) to generate multiple derivatives and extensive structure-activity relationship (SAR) studies. We have done structural base design and synthesized a series of amides from acid compound 1. Compound 1 consists of an acid functionality, which is known for its metabolism-related liabilities. The SAR has been generated using scaffolds of different antidiabetic drugs such as biguanides, sulfonylureas, thiazolidinediones/glitazones, peroxisome proliferator-activated receptors, K + ATP, α-glucosidase inhibitors, and others. Furthermore, the study demonstrates and explains the promising derivatives and importance of SAR of the compound (E)-9-oxooctadec-10-en-12-ynoic acid. In order to gain mechanistic insights, a mol. docking study was performed against PI3K, which could identify the binding modes and thermodn. interactions governing the binding affinity. According to our research,some compounds are the best compounds from the series having EC50 values of 15.47, 8.89, 7.00, 13.99, 8.70, 12.27, and 16.14μM, resp.

ACS Omega published new progress about Amines Role: RCT (Reactant), RACT (Reactant or Reagent). 1885-29-6 belongs to class nitriles-buliding-blocks, name is 2-Aminobenzonitrile(Flakes or Chunks), and the molecular formula is C7H6N2, Related Products of nitriles-buliding-blocks.

Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts