Category: 3235-67-4

Gan, Liangbing; Jiang, Jianfeng; Zhang, Wen; Su, Yang; Shi, Yaru; Huang, Chunhui; Pan, Jinqi; Lue, Mujian; Wu, Yi published an article about the compound: 1-Piperidineacetic Acid( cas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1 ).Synthetic Route 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.

Aminopolycarboxylic esters react with C60 under photolysis to produce fullerene multicarboxylates. Irradiation of tetra-Me ethylenediaminetetraacetate (EDTA) with C60 yields the EDTA-containing fullerene monoadduct C60(MeOOCCH)2NCH2CH2N(CH2COOMe)2. In addition, several other C60 monoadducts are also isolated and characterized, including compounds due to EDTA fragmentation. Similar results are observed with pentamethyl dimethylenetriaminepentaacetate (DTPA). When partially methylated nitrilotriacetic acid is irradiated with C60, decarboxylation occurs and organodihydrofullerene derivatives such as C60(H)[CH2N(CH2COOMe)2] are formed. Radical mechanisms are proposed for both types of photoreactions. The fullerene derivatives are characterized by their spectroscopic data. Photoreactions of C60 with other analogous mols. also support the conclusions.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 3235-67-4, is researched, Molecular C7H13NO2, about On the cleavage of N-C linkage of piperidine N-derivatives by mouse and rat liver enzyme system, the main research direction is piperidine derivative liver enzyme.Related Products of 3235-67-4.

The cleavage of the N-C bond of piperidine derivatives by the 9000 × g supernatant of rat liver was more readily carried out than that by the supernatant of mouse liver. The cleavage of N-Et derivatives such as N-methylpiperidine (I) [626-67-5] and N-ethylpiperidine [766-09-6] was not readily carried out by these supernatants, whereas that of the Mannich bases was done readily. The addition of phenobarbital accelerated N-C bond cleavage, but 3-methylcholanthrene was without effect. Pretreatment of the animals with SKF-525A inhibited the cleavage.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Synthetic Route of C7H13NO2. 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 Aqueous basicity and proton affinity of zwitterionic ω-(N-methylpiperidine)-alkanocarboxylates and ω-(N-piperidine)-alkanocarboxylic acids. Author is Barczynski, P.; Dega-Szafran, Z.; Dulewicz, E.; Petryna, M.; Szafran, M..

The pKa values of 5 [cyclo-(CH2)5N+]Me(CH2)nCO2- (N-methylpiperidinium betaines) and 5 [cyclo-(CH2)5N](CH2)nCO2H were determined by potentiometric titration of their hydrohalides with KOH. Semiempirical geometry optimizations were performed for gaseous betaines. Four conformers were characterized and their PA values estimated The PA values fulfilled the linear correlation with the aqueous pKa values estimated by P. Barczynski et al. (1998). A linear correlation between the calculated heat of formation (ΔHf) and the sum of the N…O1 and N…O2 distances, for the conformers containing the same number of CH2 groups, indicates that they are stabilized by the intramol. electrostatic interactions between the pos. charged nitrogen atom and oxygen atoms of the carboxylate group.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Amino acids. I. Synthesis of some tertiary aminoacetic acids》. Authors are Remizov, A. L..The article about the compound:1-Piperidineacetic Acidcas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1).Synthetic Route of C7H13NO2. Through the article, more information about this compound (cas:3235-67-4) is conveyed.

It was shown that reaction of ClCH2CO2H with R2NH depends on the basicity of the amine used and on steric factors. Benzylidenecyclohexylamine and MeI gave C6H11NHMe.HCl, m. 178-9°; free amine b62 73°. MeOCH2CH2Cl in MeOH-NH3 in 12 hrs. at 90-5° gave 5% MeOCH2CH2NH2, b. 92-5° (picrate m. 147-9°), 42% (MeOCH2CH2)2NH, b21 67-8°, n20D 1.4211 (picrate m. 112-14°; picrolonate m. 178-9°), and 19% (MeOCH2CH2)3N, b10 100-1°, 1.4330 (picrate m. 65-6°; picrolonate m. 119-20°). Shaking 0.06 mole ClCH2CO2H after neutralization with a paste of BaCO3 with 0.06 mole desired amine in H2O 4 hrs. followed by 20 hrs. at room temperature gave, after final heating on a steam bath to complete the reaction, RR’NCH2CO2H (NRR’ and m.p. given): Me2N, 179-81° (HCl salt m. 190-1°); Et2N, 135-6° (HCl salt m. 126-7°); piperidino, 208-11° (HCl salt m. 217-21°); morpholino, 162-3.5° (HCl salt m. 169-71°); C6H11NMe, 186-7° (HCl salt m. 166-7°); (MeOCH2CH2)2N, 48-9.5° (picrolonate m. 116-17°). These were accompanied by 2-20% RR’N(CH2CO2H)2Cl (same data given): NMe2, decomposed 208-9°; NEt2, decomposed 244-6°; MeNC6H11, decomposed 205-7°. For avoidance of formation of these salts, the secondary amines should be used in excess; alternatively, ClCH2CO2H was neutralized with aqueous NaOH and kept overnight with RR”NH, then heated on a steam bath.

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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Product Details of 3235-67-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about On the cleavage of N-C linkage of piperidine N-derivatives by mouse and rat liver enzyme system. Author is Kimura, Katsuhiko; Nagaoka, Masao; Nakazawa, Shuichi; Ohgiya, Shozaburo.

The cleavage of the N-C bond of piperidine derivatives by the 9000 × g supernatant of rat liver was more readily carried out than that by the supernatant of mouse liver. The cleavage of N-Et derivatives such as N-methylpiperidine (I) [626-67-5] and N-ethylpiperidine [766-09-6] was not readily carried out by these supernatants, whereas that of the Mannich bases was done readily. The addition of phenobarbital accelerated N-C bond cleavage, but 3-methylcholanthrene was without effect. Pretreatment of the animals with SKF-525A inhibited the cleavage.

Here is just a brief introduction to this compound(3235-67-4)Product Details of 3235-67-4, more information about the compound(1-Piperidineacetic Acid) is in the article, you can click the link below.

Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Amino acids. I. Synthesis of some tertiary aminoacetic acids》. Authors are Remizov, A. L..The article about the compound:1-Piperidineacetic Acidcas:3235-67-4,SMILESS:OC(=O)CN1CCCCC1).Safety of 1-Piperidineacetic Acid. Through the article, more information about this compound (cas:3235-67-4) is conveyed.

It was shown that reaction of ClCH2CO2H with R2NH depends on the basicity of the amine used and on steric factors. Benzylidenecyclohexylamine and MeI gave C6H11NHMe.HCl, m. 178-9°; free amine b62 73°. MeOCH2CH2Cl in MeOH-NH3 in 12 hrs. at 90-5° gave 5% MeOCH2CH2NH2, b. 92-5° (picrate m. 147-9°), 42% (MeOCH2CH2)2NH, b21 67-8°, n20D 1.4211 (picrate m. 112-14°; picrolonate m. 178-9°), and 19% (MeOCH2CH2)3N, b10 100-1°, 1.4330 (picrate m. 65-6°; picrolonate m. 119-20°). Shaking 0.06 mole ClCH2CO2H after neutralization with a paste of BaCO3 with 0.06 mole desired amine in H2O 4 hrs. followed by 20 hrs. at room temperature gave, after final heating on a steam bath to complete the reaction, RR’NCH2CO2H (NRR’ and m.p. given): Me2N, 179-81° (HCl salt m. 190-1°); Et2N, 135-6° (HCl salt m. 126-7°); piperidino, 208-11° (HCl salt m. 217-21°); morpholino, 162-3.5° (HCl salt m. 169-71°); C6H11NMe, 186-7° (HCl salt m. 166-7°); (MeOCH2CH2)2N, 48-9.5° (picrolonate m. 116-17°). These were accompanied by 2-20% RR’N(CH2CO2H)2Cl (same data given): NMe2, decomposed 208-9°; NEt2, decomposed 244-6°; MeNC6H11, decomposed 205-7°. For avoidance of formation of these salts, the secondary amines should be used in excess; alternatively, ClCH2CO2H was neutralized with aqueous NaOH and kept overnight with RR”NH, then heated on a steam bath.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1-Piperidineacetic Acid(SMILESS: OC(=O)CN1CCCCC1,cas:3235-67-4) is researched.HPLC of Formula: 84746-24-7. The article 《Two independent hydrogen bonded complexes of bis(1-piperidiniumacetate) hydrochloride in the crystal and in the PM3 optimized structure》 in relation to this compound, is published in Polish Journal of Chemistry. Let’s take a look at the latest research on this compound (cas:3235-67-4).

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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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Recommanded Product: 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 The hydrophobic side chain of oseltamivir influences type A subtype selectivity of neuraminidase inhibitors. Author is Lin, Xiong; Chen, Qin-Hua; Li, Peng; Li, Chun-Lei; Yang, Guang-De.

Neuraminidase, which plays a critical role in the influenza virus life cycle, is a target for new therapeutic agents. The study of structure-activity relationships revealed that the C-5 position amino group of oseltamivir was pointed to 150-cavity of the neuraminidase in group 1. This cavity is important for selectivity of inhibitors against N1 vs. N2 NA. A serial of influenza neuraminidase inhibitors with the oseltamivir scaffold containing lipophilic side chains at the C-5 position have been synthesized and evaluated for their influenza neuraminidase inhibitory activity and selectivity. The results indicated that compound 13o (H5N1 IC50 = 0.1 ± 0.04 μm, H3N2 IC50 = 0.26 ± 0.18 μm) showed better inhibitory activity and selectivity against the group 1 neuraminidase. This study may provide a clue to design of better group 1 neuraminidase inhibitors.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Recommanded Product: 1-Piperidineacetic Acid. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 1-Piperidineacetic Acid, is researched, Molecular C7H13NO2, CAS is 3235-67-4, about Functionalized 6-(piperidin-1-yl)-8,9-diphenyl purines as inverse agonists of the CB1 receptor – SAR efforts towards selectivity and peripheralization. Author is Amato, George; Wiethe, Robert; Manke, Amruta; Vasukuttan, Vineetha; Snyder, Rodney; Runyon, Scott; Maitra, Rangan.

Antagonists of type 1 cannabinoid receptors (CB1) may be useful in treating diabetes, hepatic disorders, and fibrosis. Otenabant (1) is a potent and selective CB1 inverse agonist that was under investigation as an anti-obesity agent, but its development was halted once adverse effects associated with another marketed inverse agonist rimonabant (2) became known. Non-tissue selective antagonists of CB1 that have high levels of brain penetration produce adverse effects in a small subset of patients including anxiety, depression and suicidal ideation. Currently, efforts are underway to produce compounds that have limited brain penetration. In this report, novel analogs of 1 are explored to develop and test strategies for peripheralization. The piperidine of 1 is studied as a linker, which is functionalized with alkyl, heteroalkyl, aryl and heteroaryl groups using a connector in the form of an amine, amide, sulfonamide, sulfamide, carbamate, oxime, amidine, or guanidine. We also report more polar replacements for the 4-chlorophenyl group in the 9-position of the purine core, which improve calculated phys. properties of the mols. These studies resulted in compounds such as 75(I) that are potent inverse agonists of hCB1 with exceptional selectivity for hCB1 over hCB2. SAR studies revealed ways to adjust phys. properties to limit brain exposure.

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Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem

Reference of 1-Piperidineacetic Acid. 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 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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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem