Category: piperidines

《Straightforward access to N-trifluoromethyl amides, carbamates, thiocarbamates and ureas》 was written by Scattolin, Thomas; Bouayad-Gervais, Samir; Schoenebeck, Franziska. HPLC of Formula: 87120-72-7This research focused ontrifluoromethyl amide carbamate thiocarbamate ureas. The article conveys some information:

Amides and related carbonyl derivatives are of central importance across the phys. and life sciences1,2. As a key biol. building block, the stability and conformation of amides affect the structures of peptides and proteins as well as their biol. function. In addition, amide-bond formation is one of the most frequently used chem. transformations3,4. Given their ubiquity, a technol. that is capable of modifying the fundamental properties of amides without compromising on stability may have considerable potential in pharmaceutical, agrochem. and materials science. In order to influence the phys. properties of organic mols.-such as solubility, lipophilicity, conformation, pKa and (metabolic) stability-fluorination approaches have been widely adopted5-7. Similarly, site-specific modification with isosteres and peptidomimetics8, or in particular by N-methylation9, has been used to improve the stability, phys. properties, bioactivities and cellular permeabilities of compounds However, the N-trifluoromethyl carbonyl motif-which combines both N-methylation and fluorination approaches-has not yet been explored, owing to a lack of efficient methodol. to synthesize it. Here the authors report a straightforward method to access N-trifluoromethyl analogs of amides and related carbonyl compounds The strategy relies on the operationally simple preparation of bench-stable carbamoyl fluoride building blocks, which can be readily diversified to the corresponding N-CF3 amides, carbamates, thiocarbamates and ureas. This method tolerates rich functionality and stereochem., and the authors present numerous examples of highly functionalized compounds-including analogs of widely used drugs, antibiotics, hormones and polymer units. The results came from multiple reactions, including the reaction of tert-Butyl 4-aminopiperidine-1-carboxylate(cas: 87120-72-7HPLC of Formula: 87120-72-7)

tert-Butyl 4-aminopiperidine-1-carboxylate(cas: 87120-72-7) belongs to anime. Amines can be classified according to the nature and number of substituents on nitrogen. Aliphatic amines contain only H and alkyl substituents. Aromatic amines have the nitrogen atom connected to an aromatic ring.Important amines include amino acids, biogenic amines, trimethylamine, and aniline. Inorganic derivatives of ammonia are also called amines, such as monochloramine (NClH2).HPLC of Formula: 87120-72-7

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

《Convenient, benign and scalable synthesis of 2- and 4-substituted benzylpiperidines》 was written by Agai, Bela; Proszenyak, Agnes; Tarkanyi, Gabor; Vida, Laszlo; Faigl, Ferenc. Electric Literature of C13H20ClNO And the article was included in European Journal of Organic Chemistry on August 27 ,2004. The article conveys some information:

A short, scalable and environmentally benign synthesis of 2- and 4-substituted benzylpiperidines, e.g. I, has been developed. The method is based on the temperature-programmed consecutive deoxygenation and heteroaromatic ring saturation of aryl(pyridin-2-yl)- and aryl(pyridin-4-yl)methanols and aryl(pyridin-4-yl)methanones in the presence of Pd/C catalyst. The crucial roles of the temperature, the acidity and the substrate structure in the change of selectivity have been demonstrated by isolation of several substituted aryl(piperidine)methanols. The carbinols and ketones were prepared from com. available pyridinecarbaldehydes or 4-cyanopyridine and substituted bromobenzenes via organometallic intermediates. The results came from multiple reactions, including the reaction of 4-(3-Methoxybenzyl)piperidine hydrochloride(cas: 149986-58-3Electric Literature of C13H20ClNO)

4-(3-Methoxybenzyl)piperidine hydrochloride(cas: 149986-58-3) belongs to piperidines. Piperidine derivatives are also used in solid-phase peptide synthesis (SPPS) and many degradation reactions. Electric Literature of C13H20ClNO

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Recommanded Product: 622-26-4In 2013 ,《Investigation of temperature sensitivity behaviors of water soluble polyacrylamides》 was published in Journal of Applied Polymer Science. The article was written by Uguzdogan, Erdal; Denkbas, Emir Baki; Kabasakal, Osman Sermet. The article contains the following contents:

Temperature sensitive polymers with a lower critical solution temperature (LCST) are used in a variety of industries such as the pharmaceutical, cosmetic, food, and paint. These polymers are generally of the poly(N-alkylacrylamide) type, of which poly(N-isopropylacrylamide) (PNIPA) is the most commonly used. More novel poly(N-alkylacrylamide)s have also been the subject of much attention recently. In this study, N-alkylacrylamides containing different alkyl groups were synthesized by nucleophilic substitution reactions of various amines with acryloyl chloride. They were polymerized using the solution polymerization method, and the temperature sensitivities of the polymers were investigated. For this purpose, three monomers, N,N-diethylacrylamide, N-cyclopropylacrylamide, and 4-piperidineethanolacrylamide, were synthesized using diethylamine, cyclopropylamine, and 4-piperidineethanol, as the amines, resp. The obtained polymers, poly(N,N-diethylacrylamide) (PDEA), poly(N-cyclopropylacrylamide) (PCPA), and poly(4-piperidineethanolacrylamide) (PPEA), were found to be thermo-responsive, particularly PPEA is a potential novel material that can be utilized as an alternative to the common temperature sensitive polymers. The effects of several conditions on the LCST and the critical flocculation temperature (CFT) of the polymers were also investigated. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2012.2-(Piperidin-4-yl)ethanol(cas: 622-26-4Recommanded Product: 622-26-4) was used in this study.

2-(Piperidin-4-yl)ethanol(cas: 622-26-4) have been used as an intermediate in the synthetic preparation of cellular-active allosteric inhibitors of FAKRecommanded Product: 622-26-4

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Synthetic Route of C6H11NOIn 2022 ,《Supported Anionic Gold Nanoparticle Catalysts Modified Using Highly Negatively Charged Multivacant Polyoxometalates》 was published in Angewandte Chemie, International Edition. The article was written by Xia, Kang; Yatabe, Takafumi; Yonesato, Kentaro; Yabe, Tomohiro; Kikkawa, Soichi; Yamazoe, Seiji; Nakata, Ayako; Yamaguchi, Kazuya; Suzuki, Kosuke. The article contains the following contents:

Although supported anionic gold nanoparticle catalysts have been theor. investigated for their efficacy in activating O2 in aerobic oxidation reactions, limited studies have been reported due to the difficulty of designing these catalysts. Herein, we developed a feasible method for preparing supported anionic gold nanoparticle catalysts using multivacant lacunary polyoxometalates with high neg. charges. We confirmed the strong and robust electronic interaction between gold nanoparticles and multivacant lacunary polyoxometalates, and the electronic states of the supported gold nanoparticle catalysts can be sequentially modulated. Particularly, the catalyst prepared using [SiW9O34]10- acted as an efficient reusable heterogeneous catalyst, showing superior catalytic performance for the oxidative dehydrogenation of piperidone derivatives to the corresponding enaminones and remarkably higher stability than supported gold nanoparticle catalysts without this modification. In the part of experimental materials, we found many familiar compounds, such as 1-Methyl-4-piperidone(cas: 1445-73-4Synthetic Route of C6H11NO)

1-Methyl-4-piperidone(cas: 1445-73-4) is a member of piperidine. Piperidine-containing compounds are also frequently employed in synthesis as ligands or auxiliaries. Accordingly, many efforts have been devoted to the development of novel methods for the synthesis of these compounds over the years.Synthetic Route of C6H11NO

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Ishihara, Tsukasa; Seki, Norio; Hirayama, Fukushi; Orita, Masaya; Koshio, Hiroyuki; Taniuchi, Yuta; Sakai-Moritani, Yumiko; Iwatsuki, Yoshiyuki; Kaku, Seiji; Kawasaki, Tomihisa; Matsumoto, Yuzo; Tsukamoto, Shin-ichi published an article in Bioorganic & Medicinal Chemistry. The title of the article was 《Prodrug-based design, synthesis, and biological evaluation of N-benzenesulfonylpiperidine derivatives as novel, orally active factor Xa inhibitors》.HPLC of Formula: 126832-81-3 The author mentioned the following in the article:

We describe here our investigation of a new series of orally active fXa inhibitors based on a prodrug strategy. Solid-phase parallel synthesis identified a unique series of fXa inhibitors with a substituted benzenesulfonyl group as a novel S4 binding element. This series resulted in compound 39 (I), which exhibited potent inhibitory activity against fXa (IC50 = 13 nM) and excellent selectivity over thrombin (>7000-fold). The masking of its highly hydrophilic groups led to the creation of related prodrug 28, which demonstrated an anticoagulant effect after oral dosing. In addition to this study using 1-Pyridin-4-ylpiperidin-4-one, there are many other studies that have used 1-Pyridin-4-ylpiperidin-4-one(cas: 126832-81-3HPLC of Formula: 126832-81-3) was used in this study.

1-Pyridin-4-ylpiperidin-4-one(cas: 126832-81-3) belongs to piperidines. Piperidine derivatives are also used in solid-phase peptide synthesis (SPPS) and many degradation reactions. HPLC of Formula: 126832-81-3

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Cox, Christopher D.; Coleman, Paul J.; Breslin, Michael J.; Whitman, David B.; Garbaccio, Robert M.; Fraley, Mark E.; Buser, Carolyn A.; Walsh, Eileen S.; Hamilton, Kelly; Schaber, Michael D.; Lobell, Robert B.; Tao, Weikang; Davide, Joseph P.; Diehl, Ronald E.; Abrams, Marc T.; South, Vicki J.; Huber, Hans E.; Torrent, Maricel; Prueksaritanont, Thomayant; Li, Chunze; Slaughter, Donald E.; Mahan, Elizabeth; Fernandez-Metzler, Carmen; Yan, Youwei; Kuo, Lawrence C.; Kohl, Nancy E.; Hartman, George D. published an article in Journal of Medicinal Chemistry. The title of the article was 《Kinesin Spindle Protein (KSP) Inhibitors. 9. Discovery of (2S)-4-(2,5-Difluorophenyl)-N-[(3R,4S)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide (MK-0731) for the Treatment of Taxane-Refractory Cancer》.Recommanded Product: 405057-75-2 The author mentioned the following in the article:

Inhibition of kinesin spindle protein (KSP) is a novel mechanism for treatment of cancer with the potential to overcome limitations associated with currently employed cytotoxic agents. Herein, we describe a C2-hydroxymethyl dihydropyrrole KSP inhibitor (11) that circumvents hERG channel binding and poor in vivo potency, issues that limited earlier compounds from our program. However, introduction of the C2-hydroxymethyl group caused 11 to be a substrate for cellular efflux by P-glycoprotein (Pgp). Utilizing knowledge garnered from previous KSP inhibitors, we found that β-fluorination modulated the pKa of the piperidine nitrogen and reduced Pgp efflux, but the resulting compound (14) generated a toxic metabolite in vivo. Incorporation of fluorine in a strategic, metabolically benign position by synthesis of an N-methyl-3-fluoro-4-(aminomethyl)piperidine urea led to compound 30 that has an optimal in vitro and metabolic profile. Compound 30 (MK-0731) was recently studied in a phase I clin. trial in patients with taxane-refractory solid tumors. The experimental part of the paper was very detailed, including the reaction process of 1-Cbz-4-Methylaminopieridine(cas: 405057-75-2Recommanded Product: 405057-75-2)

1-Cbz-4-Methylaminopieridine(cas: 405057-75-2) belongs to anime. To avoid the problem of multiple alkylation, methods have been devised for “blocking” substitution so that only one alkyl group is introduced. The Gabriel synthesis is one such method; it utilizes phthalimide, C6H4(CO)2NH, whose one acidic hydrogen atom has been removed upon the addition of a base such as KOH to form a salt.Recommanded Product: 405057-75-2

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Cheng, Yarui; Zhang, Tianyuan; Cao, Yangrong; Wang, Li; Chen, Wenli published an article in Applied Microbiology and Biotechnology. The title of the article was 《New insights into the function of the proteins IsiC and IsiD from Synechocystis sp. PCC 6803 under iron limitation》.COA of Formula: C6H12N2O The author mentioned the following in the article:

Iron is a common cofactor in biol. processes such as respiration, photosynthesis, and nitrogen fixation. The genes isiC and isiD encode unknown proteins, and the growth of ΔisiC and ΔisiD mutants is inhibited under iron-deficient conditions. To study the regulatory mechanisms of IsiC and IsiD during iron starvation, we carried out transcriptome and metabolome sequencing. The Kyoto Encyclopedia of Genes and Genomes (KEGG) anal. showed that the photosynthesis, nitrogen metabolism, and ABC transporter pathways play a vital role in regulating iron deficiency. Upon iron repletion, IsiC and IsiD also have a regulatory effect on these pathways. Addnl., KEGG anal. of the differential metabolites of wild type (WT) and mutants showed that they were all enriched in starch and sucrose metabolism after iron limitation. Weighted gene co-expression network anal. (WGCNA) constructed a co-expression network of differentially expressed genes with phenotypes and metabolites, and finally identified five modules. The turquoise module was pos. correlated with iron deficiency. In contrast, the WT and blue module exhibited a neg. correlation, and the mutants ΔisiC and ΔisiD were pos. correlated with the gray and brown modules, resp. WGCNA also analyzed the relationship between metabolites and phenotypes, and the green module was related to iron starvation. The co-expression network determined the hub genes and metabolites of each module. This study lays a foundation for a better understanding of cyanobacteria in response to iron deficiency. In addition to this study using Piperidine-4-carboxamide, there are many other studies that have used Piperidine-4-carboxamide(cas: 39546-32-2COA of Formula: C6H12N2O) was used in this study.

Piperidine-4-carboxamide(cas: 39546-32-2) belongs to anime. The reaction of alkyl halides, R―X, where X is a halogen, or analogous reagents with ammonia (or amines) is useful with certain compounds. Not all alkyl halides are effective reagents; the reaction is sluggish with secondary alkyl groups and fails with tertiary ones. Its usefulness is largely confined to primary alkyl halides (those having two hydrogen atoms on the reacting site).COA of Formula: C6H12N2O

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Bai, Rui; Xiao, Yong; Yan, Weifu; Wang, Siqi; Ding, Rui; Yang, Fan; Li, Junpeng; Lu, Xiaoquan; Zhao, Feng published an article in Environmental Science and Pollution Research. The title of the article was 《Rapid and efficient removal of naproxen from water by CuFe2O4 with peroxymonosulfate》.Category: piperidines The author mentioned the following in the article:

Abstract: Naproxen, a widely used nonsteroidal anti-inflammatory drug, has been detected in many environmental matrixes and is regarded as an emerging pollutant. Sulfate radical (SO4·-) -based advanced oxidation processes have attracted wide attention due to their high efficiency and applicability in the removal of emerging contaminants. In this study, CuFe2O4 was used as an efficient catalyst to activate peroxymonosulfate to oxidize naproxen. The results suggested that 92.3% of naproxen was degraded and 50.3% total organic carbon was removed in 60 min in the presence of 0.3 g·L-1 CuFe2O4 and 2 mM peroxymonosulfate. This degradation system showed strong adaptability in a wide pH range from 4.0 to 10.0. Free radical scavenger experiments and ESR anal. indicated that 1O2, ·OH, and SO4·- are the main active species. Finally, the potential degradation pathways of naproxen were proposed by detecting and analyzing the degradation products with ultra-high-performance liquid chromatog. combined with mass spectrometry. The results of this study suggest that the CuFe2O4-activated peroxymonosulfate system is a promising technol. for the removal of naproxen from natural water. The results came from multiple reactions, including the reaction of Triacetonamine(cas: 826-36-8Category: piperidines)

Triacetonamine(cas: 826-36-8) is a member of piperidine. Piperidine is ubiquitous structural motif widely occurred in diverse synthetically and naturally occurring bioactive molecules. Piperidines are an immensely important class of compounds medicinally: the piperidine ring is the most common heterocyclic subunit among FDA approved drugs.Category: piperidines

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

《Trichloroacetic acid fueled practical amine purifications》 was published in Beilstein Journal of Organic Chemistry in 2022. These research results belong to Thomas, Aleena; Gasch, Baptiste; Olivieri, Enzo; Quintard, Adrien. Application of 826-36-8 The article mentions the following:

On out of equilibrium mol. machinery, using trichloroacetic acid (TCA), disclosed a purification technique considerably decreasing the number of operations and the waste generation required for such purifications. At first, TCA triggered the precipitation of the amines through their protonated salt formation, enabling the separation with the impurities. From these amine salts, simple decarboxylation of TCA liberated volatile CO2 and chloroform afforded directly the pure amines. Through this approach, a broad range of diversely substituted amines were isolated with success. The experimental part of the paper was very detailed, including the reaction process of Triacetonamine(cas: 826-36-8Application of 826-36-8)

Triacetonamine(cas: 826-36-8) is a member of piperidine. Piperidine-containing compounds are also frequently employed in synthesis as ligands or auxiliaries. Accordingly, many efforts have been devoted to the development of novel methods for the synthesis of these compounds over the years.Application of 826-36-8

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

《Synthesis and Anticancer Activity of New Substituted Piperidinones Linked to Pyrimidine, Thiazole, and Triazole Glycoside Derivatives》 was written by Yousif, M. N. M.; Nassar, I. F.; Yousif, N. M.; Awad, H. M.; El-Sayed, W. A.. Application In Synthesis of Triacetonamine And the article was included in Russian Journal of General Chemistry on August 31 ,2019. The article conveys some information:

New piperidinone incorporating pyrimidine, triazine, diazipine, oxatriazine, and thiazole derivatives have been synthesized starting with tetramethylpipridin-4-one. Structures of the newly synthesized compounds are characterized on the basis of spectroscopic and anal. data. The anticancer activity of the prepared compounds has been studied in vitro against HCT-116 and MCF-7 human cancer cells using the MTT assay. A number of compounds demonstrates potent activity towards both cell lines with IC50 values comparable with doxorubicin. In the experiment, the researchers used Triacetonamine(cas: 826-36-8Application In Synthesis of Triacetonamine)

Triacetonamine(cas: 826-36-8) is a member of piperidine. Piperidine is ubiquitous structural motif widely occurred in diverse synthetically and naturally occurring bioactive molecules. Piperidines are an immensely important class of compounds medicinally: the piperidine ring is the most common heterocyclic subunit among FDA approved drugs.Application In Synthesis of Triacetonamine

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem