Category: 3235-67-4

Synthetic Route of C7H13NO2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Synthesis and biological evaluation of novel tyrosyl-DNA phosphodiesterase 1 inhibitors with a benzopentathiepine moiety. Author is Zakharenko, Alexandra; Khomenko, Tatyana; Zhukova, Svetlana; Koval, Olga; Zakharova, Olga; Anarbaev, Rashid; Lebedeva, Natalya; Korchagina, Dina; Komarova, Nina; Vasiliev, Vladimir; Reynisson, Johannes; Volcho, Konstantin; Salakhutdinov, Nariman; Lavrik, Olga.

Tyrosyl-DNA phosphodiesterase 1 (TDP1) is a promising target for antitumor therapy based on Top1 poison-mediated DNA damage. Several novel benzopentathiepines were synthesized and tested as inhibitors of TDP1 using a new oligonucleotide-based fluorescence assay. The benzopentathiepines have IC50 values in the range of 0.2-6.0 μM. According to the mol. modeling, the conformational flexibility of the dibutylamine group of the most effective inhibitor (3 d) allows it to occupy an advantageous position for effective binding compared to its cyclic counterparts. The study of cytotoxicity of these compounds revealed that all compounds cause an apoptotic cell death in MCF-7 and Hep G2 cells. Therefore the new class of very effective inhibitors of TDP1 was elaborated.

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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

HPLC of Formula: 3235-67-4. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Highly diastereoselective synthesis of new, carbostyril-based type of conformationally-constrained β-phenylserines. Author is Ueki, Hisanori; Ellis, Trevor K.; Khan, Masood A.; Soloshonok, Vadim A..

We have demonstrated that the readily available amido-keto compounds I [R1, R2 = (CH2)5, o-C6H4(CH)2; R1 = R2 = Et, Bn; R1 = Bn, R2 = H] with prearranged carbonyl and glycine moieties, under strongly basic conditions easily undergo complete and highly diastereoselective cyclization, affording a generalized and practical access to the conformationally constrained phenylserine derivatives II [R1, R2 = (CH2)5, o-C6H4(CH)2; R1 = R2 = Et, Bn; R1 = Bn, R2 = H]. High chem. yields, virtually complete diastereoselectivity combined with the operational convenience of the exptl. procedures render this method useful for preparation of these diastereomerically pure derivatives

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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Photolysis of benzyl aminoacetates.Recommanded Product: 1-Piperidineacetic Acid.

The photolysis (Hg lamp, under N at room temperature for 48 hr) of RCH2CO2CH2Ph, (R = Et2N, 1-pyrrolidinyl, piperidino, or morpholino), 0.1M in C6H6, yielded R(CH2)2Ph, RCH2CO2H, AcOCH2Ph, Me2C6H4, Ph(CH2)2Ph, and PhCH2OH. The addition of piperylene, a triplet quencher, had very little effect. Yields in EtOH and MeCN are also tabulated; conversions were 79-100%. Solvent quenching effects support a singlet path for this photoreaction.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 3235-67-4, is researched, SMILESS is OC(=O)CN1CCCCC1, Molecular C7H13NO2Journal, Article, Bioorganic & Medicinal Chemistry called Reagent-free continuous thermal tert-butyl ester deprotection, Author is Cole, Kevin P.; Ryan, Sarah J.; McClary Groh, Jennifer; Miller, Richard D., the main research direction is amino acid continuous plug flow reactor thermal BOC deprotection; continuous plug flow reactor thermal BOC deprotection; Continuous processing; Flow chemistry; Plug flow reactor; Thermolysis; tert-Butyl ester deprotection.Reference of 1-Piperidineacetic Acid.

Continuous processing enables the use of non-standard reaction conditions such as high temperatures and pressures while in the liquid phase. This expands the chemist’s toolbox and can enable previously unthinkable chem. to proceed with ease. For a series of amphoteric amino acid derivatives, we have demonstrated the ability to hydrolyze the tert-Bu ester functionality in protic solvent systems. Using a continuous plug flow reactor at 120-240 °C and 15-40 min reaction times, no pH modification or addnl. reagents are needed to achieve the desired transformation. The method was then expanded to encompass a variety of more challenging substrates to test selectivity and racemization potential. The acid products were generally isolated as crystalline solids by simple solvent exchange after the deprotection reaction in good to high yield and purity.

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Isoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Spectroscopic determination of constitution: Constitution of amino acids》. Authors are Ley, I. H.; Zschacke, F. H..The article about the compound:1-Piperidineacetic Acidcas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1).Reference of 1-Piperidineacetic Acid. Through the article, more information about this compound (cas:3235-67-4) is conveyed.

This is part of an investigation of the absorption of light by amines and amino acids for the purpose of determining the constitution of the latter. Piperidylacetic acid has an absorption almost identical with that of AcONa. This precludes the usual open-chain formula for this acid because it is not probable that such a large group as C5H10N would be without effect on the absorption of AcOH. A special “”salt form”” is, therefore, assumed for the free acid-a “”neutralization”” of the amino group by the COOH group which influences the absorptive power. Measurements confirm that absorption is increased by the formation of the C5H10NHCOO ion when alkali is added to the acid. The absorption of the ester is greater than that of the salt; hence a different structure is indicated. The hydrochloride of the acid absorbs less strongly than the Na salt and more so than the acid. Slightly dissociated carboxylic acids absorb more strongly than completely dissociated salts. L. and Z. concluded that the structure of the aliphatic amino acids is probably expressed by the formula H….H2NRCOO, which contains Bredig’s “”Zwitter ion”” +NH3RCOO-. The inner metallic salt complexes like Cu glycine are assigned the formula OOCRNH2….Me.

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Isoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《The action of alkyl haloacetates on piperidine–the methyl chloroacetates》. Authors are Ursy, Yvette; Paty, Marcel.The article about the compound:1-Piperidineacetic Acidcas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1).Application of 3235-67-4. Through the article, more information about this compound (cas:3235-67-4) is conveyed.

Piperidine (I) was treated, at room temperature in Et2O, with ClCH2CO2Me to give I.HCl, m. 244°. The filtrate on evaporation gave C5H10NCH2CO2Me (II), b23 92-3°, n20D 1.4559, d20 1.0103. Saponification of II and acidification gave C5H10NCH2CO2H, m. 214-16° (CHCl3); Na salt m. 280°; hydrochloride m. 217° (Et2O). I with Cl2CHCO2Me gave C5H10NCOCHCl2, m. 51°. I with an equimolar amount or excess Cl3CCO2Me gave C5H10NCOCCl3 (III), m 45°, and a small amount of I.HCl. With excess I, C5H10NCO2Me, b2 55-7°, n20D 1.4610, d20 1.053 (chloroplatinate m. 176°) was formed along with some III and I.HCl. The amount of I.HCl formed was in the proportions monochloro- > dichloro- > trichloroacetate.

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Isoxazole – Wikipedia,
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Dega-Szafran, Z.; Kosturkiewicz, Z.; Nowak, E.; Petryna, M.; Szafran, M. published an article about the compound: 1-Piperidineacetic Acid( cas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1 ).Electric Literature of C7H13NO2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:3235-67-4) through the article.

The 1-piperidineacetic acid was synthesized as monohydrate and its structure was determined by x-ray diffraction methods. The crystals are orthorhombic, space group P212121, a 6.7693(7), b 10.816(1), c 11.452(1) A, Z = 4, R = 0.037. The acid mol. appears in the zwitterionic form with two equivalent carboxylic O atoms. The water mols. link carboxylic groups into infinite chains parallel to the z axis, by O-H···O H bonds of the lengths 2.85(2) and 2.75(2) A. The N+(1)-H proton forms bifurcated H bond intramol. with O(1) and intermol. with O(2′) of the length 2.795(2) and 2.775(3) A, resp. Five of the most stable conformers of 1-piperidineacetic acid and four of its monohydrate were analyzed by B3LYP/6-31G(d,p) calculations For anhydrous acid, NPA1 conformer with intramol. N···H-O H bond is the most stable. The structure of conformer NPA1 is similar to that of the most stable conformer of N,N-dimethylglycine. The zwitterionic form, ZPA1, is stabilized by the electrostatic interaction between the pos. charged N+H and neg. charged O atoms of COO- group. ZPA1 is less stable than NPA1 and the energy difference between them is 23.8 kcal/mol. In the case of monohydrate the difference is only 4.6 kcal/mol. Addition of water mol. increases the stability of the zwitterionic form of 1-piperidineacetic acid, ZPAW3.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Zhou, Huiyu; Zhu, Mei; Ma, Ling; Zhou, Jinming; Dong, Biao; Zhang, Guoning; Cen, Shan; Wang, Yucheng; Wang, Juxian published an article about the compound: 1-Piperidineacetic Acid( cas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1 ).Computed Properties of C7H13NO2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:3235-67-4) through the article.

A series of potent HIV-1 protease inhibitors, containing diverse piperidine analogs as the P2-ligands, 4-substituted phenylsulfonamides as the P2′-ligands and a hydrophobic cyclopropyl group as the P1′-ligand, were designed, synthesized and evaluated in this work. Among these twenty-four target compounds, many of them exhibited excellent activity against HIV-1 protease with half maximal inhibitory concentration (IC50) values below 20 nM. Particularly, compound I containing a (R)-piperidine-3-carboxamide as the P2-ligand and a 4-methoxylphenylsulfonamide as the P2′-ligand exhibited the most effective inhibitory activity with an IC50 value of 3.61 nM. More importantly, I exhibited activity with inhibition of 42% and 26% against wild-type and Darunavir (DRV)-resistant HIV-1 variants, resp. Addnl., the mol. docking of I with HIV-1 protease provided insight into the ligand-binding properties, which was of great value for further study.

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Isoxazole – Wikipedia,
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Reference of 1-Piperidineacetic Acid. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Synthesis and biological evaluation of novel tyrosyl-DNA phosphodiesterase 1 inhibitors with a benzopentathiepine moiety. Author is Zakharenko, Alexandra; Khomenko, Tatyana; Zhukova, Svetlana; Koval, Olga; Zakharova, Olga; Anarbaev, Rashid; Lebedeva, Natalya; Korchagina, Dina; Komarova, Nina; Vasiliev, Vladimir; Reynisson, Johannes; Volcho, Konstantin; Salakhutdinov, Nariman; Lavrik, Olga.

Tyrosyl-DNA phosphodiesterase 1 (TDP1) is a promising target for antitumor therapy based on Top1 poison-mediated DNA damage. Several novel benzopentathiepines were synthesized and tested as inhibitors of TDP1 using a new oligonucleotide-based fluorescence assay. The benzopentathiepines have IC50 values in the range of 0.2-6.0 μM. According to the mol. modeling, the conformational flexibility of the dibutylamine group of the most effective inhibitor (3 d) allows it to occupy an advantageous position for effective binding compared to its cyclic counterparts. The study of cytotoxicity of these compounds revealed that all compounds cause an apoptotic cell death in MCF-7 and Hep G2 cells. Therefore the new class of very effective inhibitors of TDP1 was elaborated.

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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Electric Literature of C7H13NO2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Synthesis of compounds with heteroconjugated intramolecular hydrogen bonds with strong proton polarizability. Author is Brzezinski, Bogumil.

Thirty-one title compounds were prepared Hydrolysis of o-NCC6H4CH2NMe2 gave HO2CC6H4CH2NMe2. Lithiation-carboxylation of RCHMe2 (R = 2-pyridyl N-oxide) gave RCMe2CO2H. Grignard reaction of R1Br (R1 = 8-quinolyl N-oxide) with HCHO gave R1CH2OH. R2(CH2)nCO2H (R2 = piperidino; n = 1-4) reacted with 4-R3C6H4NH2 (R3 = H, Me, OMe, NMe2, Cl, Ac, NO2) to give R2(CH2)nCONHC6H4R3-4.

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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem