Pyridine-derivatives

An article Conjugation of 4-aminosalicylate with thiazolinones afforded non-cytotoxic potent in vitro and in vivo anti-inflammatory hybrids WOS:000505596300034 published article about SELECTIVE COX-2 INHIBITORS; BIOLOGICAL EVALUATION; AMINOSALICYLIC ACID; DUAL INHIBITORS; CYCLOOXYGENASE; DERIVATIVES; DESIGN; DOCKING; IDENTIFICATION; STRATEGY in [Abdu-Allah, Hajjaj H. M.; Abdelmoez, Alshaimaa A. B.] Assiut Univ, Fac Pharm, Dept Pharmaceut Organ Chem, Assiut 71526, Egypt; [Tarazi, Hamadeh; El-Shorbagi, Abdel-Nasser A.; El-Awady, Raafat] Univ Sharjah, Sharjah Inst Med Res, Sharjah 27272, U Arab Emirates; [Tarazi, Hamadeh; El-Shorbagi, Abdel-Nasser A.; El-Awady, Raafat] Univ Sharjah, Coll Pharm, Sharjah 27272, U Arab Emirates in 2020.0, Cited 53.0. The Name is 3-Pyridinecarboxaldehyde. Through research, I have a further understanding and discovery of 500-22-1. COA of Formula: C6H5NO

Eicosanoids like leukotrienes and prostaglandins that produced within the arachidonic acid cascade are involved in the pathogenesis of pain, acute and chronic inflammatory diseases. A promising approach for an effective anti-inflammatory therapy is the development of inhibitors targeting more than one enzyme of this cascade. Aiming to develop balanced COX/LOX inhibitors; 4-aminosalicylate based thiazolinones having different substituents at the 5th position of the 4-thiazolinone ring (2-22) were designed, synthesized, characterized and evaluated in vitro and in vivo for their anti-inflammatory activity. Most of the investigated compounds showed high COX-2 inhibitory potencies (IC(50)( )39-200 mu M) with selectivity indexes (30-84). Two compounds, 19 and 21, (IC50 = 41 and 44 mu M), are equipotent to celecoxib (IC50, = 49 mu M), while compound 22 (IC50 = 39 mu M) was the most potent. For 15-LOX, compounds 5, 11, 19, 21 and 22 revealed higher potency (IC50 1.5-2.2 mu M) than zileuton (IC50 15 mu M). Thus, compounds 5, 11, 19, 21 and 22 are potent dual inhibitors of COX-2 and 15-LOX. In vivo anti-inflammatory testing of these compounds revealed that, compounds 5 and 21 had an anti-inflammatory activity similar to indomethacin and celecoxib (% inhibition of oedema = 60 +/- 9) and higher than diclofenac potassium (% inhibition = 52 +/- 29), while compound 22 (% inhibition = 63 +/- 5) was more active than the reference drugs. The results showed that the activity is controlled by the bulkiness and lipophilicity of the substituent at the 5th position. The cytotoxicity results revealed that all compounds are not cytotoxic, additionally, in an experimental model of ulcerogenic effect, the most active compounds 21 and 22 showed better safety profile than indomethacin. Further, at the active sites of the COX-1, COX-2 and 15-LOX co-crystal, 19, 21, and 22 showed high binding forces in free binding energy study, which is consistent with in vitro and in vivo results. In conclusion, these compounds are good candidates for further biological investigation as potential anti-inflammatory drugs with dual balanced inhibition of COX and 15-LOX and good safety profile.

About 3-Pyridinecarboxaldehyde, If you have any questions, you can contact Abdu-Allah, HHM; Abdelmoez, AAB; Tarazi, H; El-Shorbagi, ANA; El-Awady, R or concate me.. COA of Formula: C6H5NO

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Chemical synthesis of 5 ‘-beta-glycoconjugates of vitamin B-6 WOS:000519529400008 published article about PYRIDOXINE-BETA-GLUCOSIDE; PARTICULATE GLUCOSYLTRANSFERASE; PROTEIN GLYCOSYLATION; GROWING CULTURE; N-GLYCOSYLATION; FUSARIUM TOXINS; RICE BRAN; SEEDLINGS; GLUCURONIDATION; BIOAVAILABILITY in [Bachmann, Thomas; Schnurr, Christian; Zainer, Laura; Rychlik, Michael] Tech Univ Munich, Chair Analyt Food Chem, Maximus von Imhof Forum 2, D-85354 Freising Weihenstephan, Germany in 2020.0, Cited 107.0. Computed Properties of C8H10ClNO3. The Name is 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. Through research, I have a further understanding and discovery of 65-22-5

Various 5′-beta-saccharides of pyridoxine, namely the mannoside, galactoside, arabinoside, maltoside, cellobioside and glucuronide, were synthesized chemically according to KOENIGS-KNORR conditions using alpha 4,3-O-iso-propylidene pyridoxine and the respective acetobromo glycosyl donors with AgOTf (3.0 eq.) and NIS (3.0 eq.) as promoters at 0 degrees C. Furthermore, 5′-beta-[C-13(6)]-labeled pyridoxine glucoside (PNG) was prepared starting from [C-1(3)6]-glucose and pyridoxine. Additionally, two strategies were examined for the synthesis of 5′-beta-pyridoxal glucoside (PLG).

Computed Properties of C8H10ClNO3. About 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride, If you have any questions, you can contact Bachmann, T; Schnurr, C; Zainer, L; Rychlik, M or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Proximity Effect in Uranyl Coordination of the Cucurbit[6]uril-Bipyridinium Pseudorotaxane Ligand for Promoting Host-Guest Synergistic Chelating WOS:000675430900047 published article about METAL-ORGANIC FRAMEWORK; POLYROTAXANES; INCLUSION; DESIGN in [Li, Fei-Ze; Liu, Ning] Sichuan Univ, Inst Nucl Sci & Technol, Minist Educ, Key Lab Radiat Phys & Technol, Chengdu 610064, Peoples R China; [Li, Fei-Ze; Geng, Jun-Shan; Hu, Kong-Qiu; Yu, Ji-Pan; Chai, Zhi-Fang; Mei, Lei; Shi, Wei-Qun] Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Energy Chem, Beijing 100049, Peoples R China; [Chai, Zhi-Fang] Chinese Acad Sci, Ningbo Inst Ind Technol, Engn Lab Adv Energy Mat, Ningbo 315201, Zhejiang, Peoples R China in 2021, Cited 43. The Name is Ethyl nicotinate. Through research, I have a further understanding and discovery of 614-18-6. HPLC of Formula: C8H9NO2

behavior of cucurbituril-bipyridinium pseudorotaxane ligand by utilizing meta-functionalized bipyridinium dicarboxylate guest. A tailored pseudorotaxane precursor involving 1,1′-(hexane-1,6-diyl)bis(3-cyanopyridin-1-ium) bromide (C6BPCN3) and cucurbit[6]uril (CB[6]) has designed and synthesized. Through in situ hydrolysis of the pseudorotaxane ligands and their coordination assembly with uranyl cations, seven new uranyl-rotaxane coordination polymers URCP1-URCP7 have been obtained under hydrothermal conditions in the presence of different anions. It is demonstrated that the variation of carboxylate groups from para- to meta-position greatly affected the coordination behaviors of the metafunctionalized pseudorotaxane linkers, which are enriched from simple guest-only binding to host-guest simultaneous coordination and synergistic chelating. This effective regulation on uranyl coordination of supramolecular pseudorotaxane can be attributed to the proximity effect, which refers to the meta-position carboxyl group being spatially closer to the portal carbonyl group of CB[6]. Moreover, by combining other regulation methods such as introducing competing counterions and modulating solution acidity, the nuclearity of the uranyl center and the coordination patterns of the pseudorotaxane ligand can be diversely tuned, which subsequently exert great influence on the final dimensionality of resultant uranyl compounds. This work presents a large diversity of uranyl-based coordination polyrotaxane compounds with fascinating mechanically interlocked components and, most importantly, provides a feasible approach to adjust and control the metal coordination behavior of the pseudorotaxane ligand that might expand the scope of application of such supramolecular ligands.

About Ethyl nicotinate, If you have any questions, you can contact Li, FZ; Geng, JS; Hu, KQ; Yu, JP; Liu, N; Chai, ZF; Mei, L; Shi, WQ or concate me.. HPLC of Formula: C8H9NO2

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Synthesis and Evaluation of Pyridoxal Hydrazone and Acylhydrazone Compounds as Potential Angiogenesis Inhibitors WOS:000507320500005 published article about ISONICOTINOYL HYDRAZONE; IRON CHELATORS; IN-VITRO; VITAMIN-B-6; EXPRESSION; APOPTOSIS; ANALOGS; TARGETS; GROWTH; AGENTS in [Chen, Xuyang; Li, Hui; Luo, Hongjun; Lin, Zhexuan; Luo, Wenhong] Shantou Univ, Coll Med, Bioanalyt Lab, Xinling Rd 22, Shantou, Guangdong, Peoples R China in 2019.0, Cited 45.0. Recommanded Product: 65-22-5. The Name is 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. Through research, I have a further understanding and discovery of 65-22-5

Background/Aims: Hydrazone and acylhydrazone derivatives, which are produced from aldehyde reacting with hydrazine or acylhydrazine, have been reported to exhibit antitumor activities. However, the angionenic effects of this kind of derivatives haven’t been elucidated. Here, we synthesized 12 pyridoxal hydrazone and acylhydrazone compounds and investigated their antiangiogenic effects and the underlying mechanisms. Method: 3-(4,5-Dimethylthiazol-2-yl)-2, 5-dipheyltetrazolium bromide assay was used to screen the inhibitory effects of the synthesized compounds on endothelial cells (ECs) proliferation. The compound with best inhibitory effect was further evaluated with wound-healing assay and tube formation assay. Calcein-Am assay was carried out to determine the content of intracellular labile iron pool (LIP). Intracellular reduced glutathione (GSH) was determined by spectrophotometry. Flow cytometry was used to determine cell cycle and apoptosis. Results: Compound 10 (3-hydroxy-5-[hydroxymethyl]-2-methyl-pyridine-4-carbaldehyde-2-naphthalen-1-acetyl hydrazone) showed the best inhibitory effect on human umbilical vascular ECs proliferation, with IC50 value of 25.4 mu mol/L. It not only inhibited wound-healing and tube formation of ECs, but also decreased the content of intracellular LIP and GSH. Furthermore, it arrested ECs cycle at S phase and induced cell apoptosis. Conclusions: Compound 10 exhibits antiangiogenic effects by reducing the content of intracellular LIP and GSH, and subsequently arresting cell cycle and inducing cell apoptosis.

Recommanded Product: 65-22-5. About 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride, If you have any questions, you can contact Chen, XY; Li, H; Luo, HJ; Lin, ZX; Luo, WH or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

HPLC of Formula: C12H9NO. In 2019.0 ACTA CRYSTALLOGR C published article about SUPEROXIDE-DISMUTASE ACTIVITY; DOT-N INTERACTIONS; COPPER(II) COMPLEXES; CRYSTAL-STRUCTURE in [Araujo, Vinicius Oliveira; Schwade, Vania Denise] Fundacao Univ Fed Grande Dourados, Fac Ciencias Exatas & Tecnol, Rodovia Dourados Itahum,Km 12, BR-79804970 Dourados, MS, Brazil; [Tirloni, Brbara] Univ Fed Santa Maria, Dept Quim, Ave Roraima 1000, BR-97105900 Santa Maria, RS, Brazil; [Streit, Livia] Univ North Georgia, Dept Chem & Biochem, 3820 Mundy Mill Rd, Oakwood, GA 30566 USA in 2019.0, Cited 22.0. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1.

Semicarbazones can exist in two tautomeric forms. In the solid state, they are found in the keto form. This work presents the synthesis, structures and spectroscopic characterization (IR and NMR spectroscopy) of four such compounds, namely the neutral molecule 4-phenyl-1-[phenyl(pyridin-2-yl)methylidene] semicarbazide, C19H16N4O, (I), abbreviated as HBzPyS, and three different hydrated salts, namely the chloride dihydrate, C19H17N4O+center dot Cl-center dot 2H(2)O, (II), the nitrate dihydrate, C19H17N4O+center dot NO3-center dot 2H(2)O, (III), and the thiocyanate 2.5-hydrate, C19H17N4O+center dot SCN-center dot 2.5H(2)O, (IV), of 2-[phenyl({[(phenylcarbamoyl) amino]imino})methyl]pyridinium, abbreviated as [H(2)BzPyS](+)center dot X-center dot nH(2)O, with X = Cl- and n = 2 for (II), X= NO3- and n = 2 for (III), and X = SCN- and n = 2.5 for (IV), showing the influence of the anionic form in the intermolecular interactions. Water molecules and counter-ions (chloride or nitrate) are involved in the formation of a two-dimensional arrangement by the establishment of hydrogen bonds with the N-H groups of the cation, stabilizing the E isomers in the solid state. The neutral HBzPyS molecule crystallized as the E isomer due to the existence of weak pi-pi interactions between pairs of molecules. The calculated IR spectrum of the hydrated [H(2)BzPyS](+) cation is in good agreement with the experimental results.

HPLC of Formula: C12H9NO. About Phenyl(pyridin-2-yl)methanone, If you have any questions, you can contact Araujo, VO; Tirloni, B; Streit, L; Schwade, VD or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Authors Hosseini-Sarvari, M; Dehghani, A in ROYAL SOC CHEMISTRY published article about AG-AT-AGCL; HIGHLY EFFICIENT; SELECTIVE OXIDATION; PHOTOCATALYTIC ACTIVITY; BENZYL ALCOHOL; AEROBIC OXIDATION; ESCHERICHIA-COLI; STYRENE; EPOXIDATION; DEGRADATION in [Hosseini-Sarvari, Mona; Dehghani, Abdulhamid] Shiraz Univ, Dept Chem, Shiraz 7194684795, Iran in 2020.0, Cited 79.0. Safety of Phenyl(pyridin-2-yl)methanone. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1

The Ag/AgBr/TiO2 ternary component nanotube as a heterogeneous photocatalyst was used for the solvent-free oxidation of the benzylic C(sp(3))-H bond to the corresponding carbonyl compound or the solvent-controlled selective oxidative cleavage of the CQC double bond of styrene to benzaldehyde under visible light at room temperature. A wide variety of carbonyl compounds were successfully synthesized through the developed photocatalytic process. Several advantages such as solvent-free conditions, sans additional oxidant, simple reaction, short reaction time, and easy separation of the product promote the reaction to be green. Moreover, the Ag/AgBr/TiO2 nanotubes could be used several times without reduction in their photocatalytic activity.

About Phenyl(pyridin-2-yl)methanone, If you have any questions, you can contact Hosseini-Sarvari, M; Dehghani, A or concate me.. Safety of Phenyl(pyridin-2-yl)methanone

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

An article Substituent Position-Controlled Stereoselectivity in Enzymatic Reduction of Diaryl- and Aryl(heteroaryl)methanones WOS:000467075800018 published article about ACTIVE ALPHA-PHENYLPYRIDYLMETHANOLS; ARYL HETEROARYL KETONES; ENANTIOSELECTIVE REDUCTION; ASYMMETRIC-SYNTHESIS; KLUYVEROMYCES-MARXIANUS; BIOCATALYTIC SYNTHESIS; CARBONYL REDUCTASE; CELL-CULTURES; SUBSTRATE; BIOREDUCTION in [Li, Zhining; Wang, Zexu; Wang, Yuhan; Huang, Zedu; Chen, Fener] Fudan Univ, Engn Ctr Catalysis & Synth Chiral Mol, Dept Chem, 220 Handan Rd, Shanghai 200433, Peoples R China; [Li, Zhining; Wang, Zexu; Huang, Zedu; Chen, Fener] Shanghai Engn Res Ctr Ind Asymmetr Catalysis Chir, 220 Handan Rd, Shanghai 200433, Peoples R China; [Wu, Xiaofan] Fuzhou Univ, Coll Chem Engn, 2 Xueyuan Rd, Fuzhou 350100, Fujian, Peoples R China; [Lu, Hong] Fudan Univ, Sch Life Sci, State Key Lab Genet Engn, 2005 Songhu Rd, Shanghai 200438, Peoples R China; [Lu, Hong] Shanghai Engn Res Ctr Ind Microorganisms, 2005 Songhu Rd, Shanghai 200438, Peoples R China in 2019.0, Cited 63.0. Product Details of 91-02-1. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1

We report here the discovery of a novel ketoreductase (KRED), named KmCR2, with a broad substrate spectrum on bioreduction of sterically bulky diaryl- and aryl(heteroaryl)methanones. The position of the substituent on aromatic rings (meta versus para or ortho) was revealed to control the stereospecificity of KmCR2. The stereoselective preparation of both enantiomers of diaryl- or aryl(heteroaryl)methanols using strategically engineered substrates with a traceless directing group (bromo group) showcased the potential application of this substrate-controlled bioreduction reaction. The combined use of substrate engineering and protein engineering, was demonstrated to be a useful strategy in efficiently improving stereoselectivity or switching stereopreference of enzymatic processes.

Product Details of 91-02-1. About Phenyl(pyridin-2-yl)methanone, If you have any questions, you can contact Li, ZN; Wang, ZX; Wang, YH; Wu, XF; Lu, H; Huang, ZD; Chen, F or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Safety of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. In 2019.0 MOL OMICS published article about METHYLENETETRAHYDROFOLATE REDUCTASE POLYMORPHISM; COLON-CANCER; DNA METHYLATION; FOLATE STATUS; RISK; HOMOCYSTEINE; DIHYDROFOLATE; METABOLITES; ADENOMA; PLASMA in [Asante, Isaac; Pei, Hua; Zhou, Eugene; Liu, Siyu; Chui, Darryl; Yoo, EunJeong; Louie, Stan G.] Univ Southern Calif, Sch Pharm, Dept Clin Pharm, Los Angeles, CA 90089 USA; [Conti, David V.] Univ Southern Calif, Keck Sch Med, Dept Prevent Med, Los Angeles, CA USA in 2019.0, Cited 33.0. The Name is 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. Through research, I have a further understanding and discovery of 65-22-5.

Introduction: colorectal cancer (CRC) continues to be difficult to diagnose due to the lack of reliable and predictive biomarkers. Objective: to identify blood-based biomarkers that can be used to distinguish CRC cases from controls. Methods: a workflow for untargeted followed by targeted metabolic profiling was conducted on the plasma samples of 26 CRC cases and ten healthy volunteers (controls) using liquid chromatography-mass spectrometry (LCMS). The data acquired in the untargeted scan was processed and analyzed using MarkerViewt software. The significantly different ions that distinguish CRC cases from the controls were identified using a mass-based human metabolome search. The result was further used to inform the targeted scan workflow. Results: the untargeted scan yielded putative biomarkers some of which were related to the folate-dependent one-carbon metabolism (FOCM). Analysis of the targeted scan found the plasma levels of nine FOCM metabolites to be significantly different between cases and controls. The classification models of the cases and controls, in both the targeted and untargeted approaches, each yielded a 97.2% success rate after cross-validation. Conclusion: we have identified plasma metabolites with screening potential to discriminate between CRC cases and controls.

Safety of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. About 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride, If you have any questions, you can contact Asante, I; Pei, H; Zhou, E; Liu, SY; Chui, D; Yoo, E; Conti, DV; Louie, SG or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Name: 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. Song, Z; Liu, J; Hou, YX; Yuan, W; Yang, BS in [Song, Zhen; Hou, Yuxin; Yuan, Wen] Taiyuan Normal Univ, Dept Chem, Jinzhong 030619, Peoples R China; [Yang, Binsheng] Shanxi Univ, Key Lab Chem Biol & Mol Engn, Minist Educ, Inst Mol Sci, Taiyuan 030006, Shanxi, Peoples R China; [Liu, Jin] Chinese Peoples Armed Police Forces, Hubei Prov Corps Hosp, Wuhan 430061, Hubei, Peoples R China published Study on the interaction between pyridoxal and CopC by multi-spectroscopy and docking methods in 2019.0, Cited 38.0. The Name is 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. Through research, I have a further understanding and discovery of 65-22-5.

The interaction between pyridoxal hydrochloride (HQ) and apoCopC was investigated using Fourier transform infrared spectroscopy (FTIR), isothermal titration calorimetry (ITC), circular dichroism (CD), fluorescence spectroscopy, three-dimensional (3D) fluorescence spectroscopy, fluorescence lifetime, TNS fluorescence and docking methods. FTIR, CD, TNS fluorescence and fluorescence lifetime experiments suggested that the apoCopC conformation was altered by HQ with an increase in the random coil content and a reduction in the beta-sheet content. In addition, the data from fluorescence spectroscopy, 3D fluorescence spectroscopy and molecular docking revealed that the binding site of HQ was located in the hydrophobic area of apoCopC, and a redshift of the HQ fluorescence spectra was observed. Furthermore, ITC and fluorescence quenching data manifested that the binding ratio of HQ and apoCopC was 1:1, and the forming constant was calculated to be (7.06 +/- 0.21) x 10(5) M-1. The thermodynamic parameters Delta H and Delta S suggested that the formation of a CopC-HQcomplex depended on the hydrophobic force. Furthermore, the average binding distance between tryptophan in apoCopC and HQ was determined by means of Forster non-radioactive resonance energy transfer and molecular docking. The results agreed well with each other. As a redox switch in the modulation of copper, the interaction of apoCopC with small molecules will affect the action of the redox switch. These findings could provide useful information to illustrate the copper regulation mechanism. (C) 2018 Elsevier B.V. All rights reserved.

Name: 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride. About 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride, If you have any questions, you can contact Song, Z; Liu, J; Hou, YX; Yuan, W; Yang, BS or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem

Authors Chen, QF; Pan, YH; Zhao, DX; Yang, WR; Zheng, J in ROYAL SOC CHEMISTRY published article about MULTICOMPONENT REACTIONS; ENANTIOSELECTIVE SYNTHESIS; CYCLIZATION REACTIONS; N-SULFONYLIMINES; MICHAEL ADDITION; ANNULATION; AZIRIDINATION; VINYLAZIRIDINES; EPOXIDATION; INHIBITION in [Chen, Qinfang; Pan, Yihao; Zhao, Dongxin; Yang, Weiran; Zheng, Jing] Nanchang Univ, Sch Resources Environm & Chem Engn, 999 XuFu Rd, Nanchang 330031, Peoples R China in 2020.0, Cited 49.0. Computed Properties of C6H5NO. The Name is 3-Pyridinecarboxaldehyde. Through research, I have a further understanding and discovery of 500-22-1

For the first time, the [4 + 3] or [2 + 1] annulation of crotonate-derived sulfur ylides with arylidenemalononitrile or arylidene-1H-indene-1,3(2H)-dione is reported using Na(2)CO(3)as the base. This protocol is advantageous as it does not require prior preparation of arylidenemalononitrile or arylidene-1H-indene-1,3(2H)-dione substrates, due to the independent participation of the base in the two reactions. This mild, operationally multicomponent process can be employed for the transformation of a wide variety of commercially available aldehydes into the corresponding indeno[1,2-b]oxepine or cyclopropyl acrylate core in moderate to excellent yields under mild conditions.

Computed Properties of C6H5NO. About 3-Pyridinecarboxaldehyde, If you have any questions, you can contact Chen, QF; Pan, YH; Zhao, DX; Yang, WR; Zheng, J or concate me.

Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem