Category: 3235-67-4

HPLC of Formula: 3235-67-4. 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 MNDO study of the preparation of substituted aminoacetate of 3-hydroxy-1,4-benzodiazepine. Author is Yao, Chunfang; Jiao, Kefang.

The esterification of 3-hydroxy-1,4-benzodiazepine(A1) with chloroacetyl chloride produced 3-hydroxy-1,4-benzodiazepine chloroacetate(A2). The authors tried to obtain substituted aminoacetate of 3-hydroxy-1,4-benzodiazepine(A3) by reacting A2 with secondary amines, but only A1 was obtained. In order to find out why the reaction yielded A1 but not A3, A2 was calculated with MNDO(modified NDDO) program. The amination mechanism was discussed with the perturbation theory of the frontier orbitals. The results showed that the effect of the frontier orbital was insignificant and the effect of the charge was significant when the reaction took place. In the amination, the yield was about 60% at the carbonyl carbon atom and only 30%-40% at the chloroalkyl carbon atom, theor. Therefore, the amination of the chloroacetate (A2) for preparing the substituted aminoacetate is probably not suitable. Finally, A3 was obtained by the esterification of A1 with the N,N-substituted aminoacetic acid in the presence of the catalyst.

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Brzezinski, B.; Zundel, G. published an article about the compound: 1-Piperidineacetic Acid( cas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1 ).Application In Synthesis of 1-Piperidineacetic Acid. 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.

IR spectra were plotted for (C5H10N)(CH2)nCOOH (n = 1-4) in CDCl3 solutions From the carboxylic bands, information is obtained on whether the proton is present at the carboxylic group or at the N atom. Furthermore, an IR continuum indicates the presence of easily-polarizable H bonds. With 1-piperidineacetic acid, the proton is found at the N atom. Intermol. asym. O-…H+N H bonds are formed, which are not easily polarizable. When n = 2-4, intramol. OH…N ⇄ O-…H+N bonds are found with the proton distributed between the O and N atoms. A double min. energy surface is present in these bonds. A strong IR continuum indicates that these H bonds are easily polarizable. With increasing concentration, the weight of the polar proton boundary structure O-…H+N increases due to interaction effects between these H bonds. These interaction effects do not occur when n = 4, as they are hindered by the hydrocarbon skeleton. In the case of intermol. OH…N ⇄ O-…H+N bonds, the IR continuums show structures in the 3200-1800 cm-1 region. These structures are not observed with the intramol. bonds, as these are shorter. Addition of water causes dissociation of the intramol. OH…N ⇄ O-…H+N H bonds.

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Berton, Mateo; Mello, Rossella; Acerete, Rafael; Gonzalez Nunez, Maria Elena published an article about the compound: 1-Piperidineacetic Acid( cas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1 ).COA of Formula: 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 photolysis of triethylamine [I] in the presence of carbon dioxide leads to the hydrogenation of CO2, the α-C-C coupling of I, and the CO2 insertion into the α-C-H σ-bond of amine I. This reaction is proposed to proceed through the radical ion pair [R3N•+·CO2•-] generated by the photoionization of amine I and the electron capture by CO2. The presence of lithium tetrafluoroborate in the reaction medium promotes the efficient and stereoselective α-C-C coupling of I by enhancing the production of α-dialkylamino radicals and the isomerization of N,N,N’,N’-tetraethylbutane-2,3-diamine.

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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Discovery of N-((1-(4-(3-(3-((6,7-Dimethoxyquinolin-3-yl)oxy)phenyl)ureido)-2-(trifluoromethyl)phenyl)piperidin-4-yl)methyl)propionamide (CHMFL-KIT-8140) as a Highly Potent Type II Inhibitor Capable of Inhibiting the T670I “”Gatekeeper”” Mutant of cKIT Kinase, published in 2016-09-22, which mentions a compound: 3235-67-4, Name is 1-Piperidineacetic Acid, Molecular C7H13NO2, Recommanded Product: 1-Piperidineacetic Acid.

CKIT kinase inhibitors, e.g., imatinib could induce drug-acquired mutations such as cKIT T670I that rendered drug resistance after chronic treatment. Through a type II kinase inhibitor design approach the authors discovered a highly potent type II cKIT kinase inhibitor compound 35 (CHMFL-KIT-8140), which potently inhibited both cKIT wt (IC50: 33 nM) and cKIT gatekeeper T670I mutant (IC50: 99 nM). Compound 35 displayed strong anti-proliferative effect against GISTs cancer cell lines GIST-T1 (cKIT wt, GI50: 4 nM) and GIST-5R (cKIT T670I, GI50: 26 nM). In the cellular context it strongly inhibited c-KIT mediated signaling pathways and induced apoptosis. In the BaF3-TEL-cKIT-T670I isogenic cell inoculated xenograft mouse model, 35 exhibited dose dependent tumor growth suppression efficacy and 100 mg/kg dosage provided 47.7% tumor growth inhibition (TGI) without obvious toxicity. The authors believe compound 35 would be a good pharmacol. tool for exploration of the cKIT-T670I mutant mediated pathol. in GISTs.

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Electric Literature 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 Acute toxicity and depressive effect on spontaneous motor activity of piperidine N-derivatives in mice. Author is Kimura, Katsuhiko; Yoshida, Masahumi; Nagaoka, Masao; Ohgiya, Shozaburo.

The acute toxicity and depressive effect on spontaneous motor activity of the title compounds I (R = CH2CO2H, CH2CH2OH, etc.) were examined using mice untreated and pretreated with phenobarbital and SKF-525A. The acute toxicity of I decreased and its depressive effect increased following enzyme induction, whereas following enzyme inhibition the opposite occurred. Structure-activity relations are discussed.

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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 In Synthesis of 1-Piperidineacetic Acid. 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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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Hogue, Floyd; Frye, Herschel researched the compound: 1-Piperidineacetic Acid( cas:3235-67-4 ).Synthetic Route of C7H13NO2.They published the article 《Palladium(II) and platinum(II) complexes of some cyclic tertiary amino acids》 about this compound( cas:3235-67-4 ) in Inorganic and Nuclear Chemistry Letters. Keywords: platinum pyrrolidineacetate complex stability; palladium pyrrolidineacetate complex stability; amino acid platinum complex stability; pyrrolidineacetate palladium complex stability; piperidineacetate palladium complex stability. We’ll tell you more about this compound (cas:3235-67-4).

Pd2+ and Pt2+ complexes with 1-pyrrolidineacetic (PyrAA), 1-piperidineacetic (PipAA), and hexahydro-1-azepineacetic (HexAA) acids were prepared and tentative structures assigned. Ligand ionization constants (pKa) are: PipAA 2.18, 10.19; PyrAA 2.41, 10.49; HexAA 2.20, 10.61 at 25 ± 0.1.degree.. Complex stability constants (Ktotal) are: Pd(PipAA)2 5.2 × 1019; Pt(PipAA)2 2.7 × 1017; Pd(PyrAA)2 1.7 × 1021; Pt(PyrAA)2 7.5 × 1019; Pd(HexAA)2 2.8 × 1020; Pt(HexAA)2 5.7 × 1018. The PipAA and PyrAA complexes are apparently cis while theHexAA complexes are trans since the former crystallize as needles and the latter as plates and the metal-N ir stretch occurs at 550 cm-1 for the HexAA complexes and at 525 cm-1 for PipAA complexes.

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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 piperidine on the bromine derivatives of α,β-unsaturated esters. I. Mechanism of the reactions》. Authors are Moureu, H.; Chovin, P.; Garein, M.; Venttrillard, J..The article about the compound:1-Piperidineacetic Acidcas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1).Category: isoxazole. Through the article, more information about this compound (cas:3235-67-4) is conveyed.

Piperidine (I) (1 mole) added to a α,β-dibromoalkanoic acid ester extracts 1 mole HBr. In the cinnamic acid series, hydrolysis of PhCHBrCHBrCO2Me gives 2 α-Br isomers, the allo and the ordinary. The best exptl. argument in favor of the α,β-substitution of the α,β-dipiperidino-2-alkenoic acid ester (II) is the formation, in the cinnamic acid series, of 2 distinct isomeric dipiperidino esters, m. 77° and 127°. In the MeCH:CHCO2H hydrolysis of the MeCHBrCHBrCO2Et gives 2 isomers, iso and ordinary. I (3 moles) added to MeCH:CBrCO2Et gives II. Et α-bromocrotonate, b16 81-2°, and Et α-bromoisocrotonate, b19 80-1°, are obtained by the direct esterification of α-bromocrotonic and α-isocrotonic acids, resp. The action of 3 moles I on each of these 2 isomers produces the dipiperidino compounds, which on hydrolysis with 2N H2SO4 yield MeCH2COCO2H, 2 moles piperidine, and a primary alc. This, and an accessory reaction, in which the hydrolytic products formed are free piperidine the aldehyde RCHO (BzH or AcH) and piperidinoacetic acid, can be, considered as supplementary proof of the α,β structure of the diamine derivatives

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COA of Formula: 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 Nitrogen-containing cyclic compounds as iminium ion sources for selected reaction monitoring detection of derivatized analytes. Author is Zilionis, Andrius.

Liquid chromatog.-tandem mass spectrometry is one of the most sensitive tools for determination of trace amounts of analytes in metabolomics and proteomics. Detection sensitivity of such analytes may be increased by derivatizing them with a specific moiety fragmentation of which results in product ion of high abundance. In this work, we reveal the influence of iminium ions’ structures on their stability by comparing six nitrogen-containing cyclic compounds as derivatization reagents for tandem mass spectrometric anal. of amino group-containing analyte. Com. available starting materials (piperidine, 2,6-dimethylpiperidine, 1-methylpiperazine, morpholine, pyrrolidine and 1-cyanomethyl-3-methylimidazolium ionic liquid) were used for the synthesis of corresponding carboxylic acids which were further used for derivatization of the model analyte tryptamine. Liquid chromatog.-mass spectrometric anal. of differently derivatized tryptamine was performed for the evaluation of release and stability of corresponding iminium ions under collision-induced dissociation conditions. As a result, morpholine moiety was shown being the most promising iminium ion source among tested compounds Possible sub-fragmentation pathways of investigated iminium ions were discussed, and the structures of secondary product ions were proposed.

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Electric Literature of C7H13NO2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Two independent hydrogen bonded complexes of bis(1-piperidiniumacetate) hydrochloride in the crystal and in the PM3 optimized structure.

Bis(1-piperidiniumacetate) hydrochloride, (PAA)2H+·Cl-, was synthesized and its structure solved by x-ray diffraction. The crystals belong to the triclinic system with two sym. independent H bonded complexes, denoted A and B, at two different inversion centers. The compound crystallizes in space group P1̅ with a 8.559(1), b 9.625(1), c 11.441(1) Å, α 74.85(1), β 68.22(1), γ 84.10(1)°, Z = 2, R = 0.036. Each complex consists of two 1-piperidiniumacetate moieties. Four 1-piperidiniumacetates, as zwitterions, are held together by a network of H bonds O···H···O (2.462(3) and 2.463(3) Å), N-H···O (2.755(2) Å) and N-H···Cl (3.167(2) Å). Both N-H atoms in complex A interact with Cl anions. A number of week C-H···Cl contacts stabilize the three-dimensional crystal structure. In the isolated mol. of (PAA)2H+·Cl- optimized by the PM3 method, there also are two independent H bonded complexes. In complex A the neutral form of 1-piperidineacetic acid interacts with its anionic form, while in complex B the 1-piperidiniumacetic acid, as a cation, forms a H bond with its zwitterionic form. FTIR spectrum of bis(1-piperidiniumacetate) hydrochloride was analyzed and discussed.

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