Day: November 24, 2022

Investigation of the Binding Determinants of Phosphopeptides Targeted to the Src Homology 2 Domain of the Signal Transducer and Activator of Transcription 3. Development of a High-Affinity Peptide Inhibitor was written by Coleman, David R.;Ren, Zhiyong;Mandal, Pijus K.;Cameron, Arlin G.;Dyer, Garrett A.;Muranjan, Seema;Campbell, Martin;Chen, Xiaomin;McMurray, John S.. And the article was included in Journal of Medicinal Chemistry in 2005.Application In Synthesis of (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid The following contents are mentioned in the article:

As part of their research on the design of Src homol. 2 (SH2) directed peptidomimetic inhibitors of Stat3, the authors, here, describe structure-activity relationship studies that provide information on the nature of peptide-protein interactions of a high-affinity phosphopeptide, Ac-Tyr(PO₃H₂)-Leu-Pro-Gln-Thr-Val-NH₂ (peptide 1), inhibitor of Stat3 dimerization and DNA binding. There is a hydrophobic surface on the SH2 domain that can accommodate lipophilic groups on the N-terminus. Of the amino acids tested, leucine provided the highest affinity at pY+1 and its main chain NH is involved with a hydrogen bond with Stat3, presumably Ser636. Cis-3,4-Methanoproline is optimal as a backbone constraint at pY+2. The side chain amide protons of Gln are required for high-affinity interactions. The C-terminal dipeptide, Thr-Val, can be replaced with groups ranging in size from Me to benzyl. The authors synthesized a phosphopeptide incorporating groups that provided increases in affinity at each position. Thus, Ph(CH₂)₂CO-Tyr(PO₃H₂)-Leu-cis-3,4-methanoPro-Gln-NHCH₂Ph was the highest affinity peptide, exhibiting an IC₅₀ of 125 nM vs. 290 nM for peptide 1 in a fluorescence polarization assay. This study involved multiple reactions and reactants, such as (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5Application In Synthesis of (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid).

(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5) belongs to piperidine derivatives. Piperidine is a saturated organic heteromonocyclic parent, an azacycloalkane, a secondary amine and a member of piperidines. Industrially, piperidine is produced by the hydrogenation of pyridine, usually over a molybdenum disulfide catalyst. Pyridine can also be reduced to piperidine via a modified Birch reduction using sodium in ethanol.Application In Synthesis of (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Investigation of the Binding Determinants of Phosphopeptides Targeted to the Src Homology 2 Domain of the Signal Transducer and Activator of Transcription 3. Development of a High-Affinity Peptide Inhibitor was written by Coleman, David R.;Ren, Zhiyong;Mandal, Pijus K.;Cameron, Arlin G.;Dyer, Garrett A.;Muranjan, Seema;Campbell, Martin;Chen, Xiaomin;McMurray, John S.. And the article was included in Journal of Medicinal Chemistry in 2005.COA of Formula: C21H21NO4 The following contents are mentioned in the article:

As part of their research on the design of Src homol. 2 (SH2) directed peptidomimetic inhibitors of Stat3, the authors, here, describe structure-activity relationship studies that provide information on the nature of peptide-protein interactions of a high-affinity phosphopeptide, Ac-Tyr(PO₃H₂)-Leu-Pro-Gln-Thr-Val-NH₂ (peptide 1), inhibitor of Stat3 dimerization and DNA binding. There is a hydrophobic surface on the SH2 domain that can accommodate lipophilic groups on the N-terminus. Of the amino acids tested, leucine provided the highest affinity at pY+1 and its main chain NH is involved with a hydrogen bond with Stat3, presumably Ser636. Cis-3,4-Methanoproline is optimal as a backbone constraint at pY+2. The side chain amide protons of Gln are required for high-affinity interactions. The C-terminal dipeptide, Thr-Val, can be replaced with groups ranging in size from Me to benzyl. The authors synthesized a phosphopeptide incorporating groups that provided increases in affinity at each position. Thus, Ph(CH₂)₂CO-Tyr(PO₃H₂)-Leu-cis-3,4-methanoPro-Gln-NHCH₂Ph was the highest affinity peptide, exhibiting an IC₅₀ of 125 nM vs. 290 nM for peptide 1 in a fluorescence polarization assay. This study involved multiple reactions and reactants, such as (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5COA of Formula: C21H21NO4).

(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5) belongs to piperidine derivatives. Piperidine is a metabolite of cadaverine, a polyamine found in the human intestine. Industrially, piperidine is produced by the hydrogenation of pyridine, usually over a molybdenum disulfide catalyst. Pyridine can also be reduced to piperidine via a modified Birch reduction using sodium in ethanol.COA of Formula: C21H21NO4

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Application of a novel prioritisation strategy using non-target screening for evaluation of temporal trends (1969-2017) of contaminants of emerging concern (CECs) in archived lynx muscle tissue samples was written by Durig, Wiebke;Alygizakis, Nikiforos A.;Wiberg, Karin;Ahrens, Lutz. And the article was included in Science of the Total Environment in 2022.Safety of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid The following contents are mentioned in the article:

Most environmental monitoring studies of contaminants of emerging concern (CECs) focus on aquatic species and target specific classes of CECs. Even with wide-scope target screening methods, relevant CECs may be missed. In this study, non-target screening (NTS) was used for tentative identification of potential CECs in muscle tissue of the terrestrial top predator Eurasian lynx (Lynx lynx). Temporal trend anal. was applied as a prioritisation tool for archived samples, using univariate statistical tests (Mann-Kendall and Spearman rank). Pooled lynx muscle tissue collected from 1969 to 2017 was analyzed with an eight-point time series using a previously validated screening workflow. Following peak detection, peak alignment, and blank subtraction, 12,941 features were considered for statistical anal. Prioritisation by time-trend anal. detected 104 and 61 features with statistically significant increasing and decreasing trends, resp. Following probable mol. formula assignment and elucidation with MetFrag, two compounds with increasing trends, and one with a decreasing trend, were tentatively identified. These results show that, despite low expected concentration levels and high matrix effects in terrestrial species, it is possible to prioritise CECs in archived lynx samples using NTS and univariate statistical approaches. This study involved multiple reactions and reactants, such as 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0Safety of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid).

2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0) belongs to piperidine derivatives. Piperidine is a saturated organic heteromonocyclic parent, an azacycloalkane, a secondary amine and a member of piperidines. Several piperidine alkaloids isolated from natural herbs, were found to exhibit antiproliferation and antimetastatic effects on various types of cancers both in vitro and in vivo for example Piperine, Evodiamine, Matrine, Berberine and Tetrandine.Safety of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Synthesis and Conformational Analysis of Efrapeptins was written by Weigelt, Sven;Huber, Thomas;Hofmann, Frank;Jost, Micha;Ritzefeld, Markus;Luy, Burkhard;Freudenberger, Christoph;Majer, Zsuzsanna;Vass, Elemer;Greie, Joerg-Christian;Panella, Lavinia;Kaptein, Bernard;Broxterman, Quirinus B.;Kessler, Horst;Altendorf, Karlheinz;Hollosi, Miklos;Sewald, Norbert. And the article was included in Chemistry – A European Journal in 2012.Synthetic Route of C21H21NO4 The following contents are mentioned in the article:

The efrapeptin family of peptide antibiotics produced by the fungus Tolypocladium niveum, and the neo-efrapeptins from the fungus Geotrichum candidum are inhibitors of F₁-ATPase with promising antitumor, antimalaria, and insecticidal activity. They are rich in C^伪-dialkyl amino acids (Aib, Iva, Acc) and contain one 尾-alanine and several pipecolic acid residues. The C-terminus bears an unusual heterocyclic cationic cap. The efrapeptins C-G and three analogs of efrapeptin C were synthesized using 伪-azido carboxylic acids as masked amino acid derivatives All compounds display inhibitory activity toward F₁-ATPase. The conformation in solution of the peptides was investigated with electronic CD spectroscopy, FT-IR spectroscopy, and VCD spectroscopy. All efrapeptins and most efrapeptin analogs were shown to adopt helical conformations in solution In the case of efrapeptin C, VCD spectra proved that a 3₁₀-helix prevails. In addition, efrapeptin C was conformationally studied in detail with NMR and mol. modeling. Besides NOE distance restraints, residual dipolar couplings (RDC) observed upon partial alignment with stretched PDMS gels were used for the conformational anal. and confirmed the 3₁₀-helical conformation. Safety: caution is advised with low-mol.-weight azido compounds This study involved multiple reactions and reactants, such as (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5Synthetic Route of C21H21NO4).

(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5) belongs to piperidine derivatives. Piperidine and its derivatives have become increasingly popular in many synthetic schemes. Fluorinated piperidines are also the subject of continued interest in medicinal chemistry, for example in the synthesis of selective dipeptidyl peptidase II (DPP II) inhibitors. Piperidine derivatives are also used in solid-phase peptide synthesis (SPPS) and many degradation reactions.Synthetic Route of C21H21NO4

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Synthesis and Conformational Analysis of Efrapeptins was written by Weigelt, Sven;Huber, Thomas;Hofmann, Frank;Jost, Micha;Ritzefeld, Markus;Luy, Burkhard;Freudenberger, Christoph;Majer, Zsuzsanna;Vass, Elemer;Greie, Joerg-Christian;Panella, Lavinia;Kaptein, Bernard;Broxterman, Quirinus B.;Kessler, Horst;Altendorf, Karlheinz;Hollosi, Miklos;Sewald, Norbert. And the article was included in Chemistry – A European Journal in 2012.Reference of 86069-86-5 The following contents are mentioned in the article:

The efrapeptin family of peptide antibiotics produced by the fungus Tolypocladium niveum, and the neo-efrapeptins from the fungus Geotrichum candidum are inhibitors of F₁-ATPase with promising antitumor, antimalaria, and insecticidal activity. They are rich in C^伪-dialkyl amino acids (Aib, Iva, Acc) and contain one 尾-alanine and several pipecolic acid residues. The C-terminus bears an unusual heterocyclic cationic cap. The efrapeptins C-G and three analogs of efrapeptin C were synthesized using 伪-azido carboxylic acids as masked amino acid derivatives All compounds display inhibitory activity toward F₁-ATPase. The conformation in solution of the peptides was investigated with electronic CD spectroscopy, FT-IR spectroscopy, and VCD spectroscopy. All efrapeptins and most efrapeptin analogs were shown to adopt helical conformations in solution In the case of efrapeptin C, VCD spectra proved that a 3₁₀-helix prevails. In addition, efrapeptin C was conformationally studied in detail with NMR and mol. modeling. Besides NOE distance restraints, residual dipolar couplings (RDC) observed upon partial alignment with stretched PDMS gels were used for the conformational anal. and confirmed the 3₁₀-helical conformation. Safety: caution is advised with low-mol.-weight azido compounds This study involved multiple reactions and reactants, such as (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5Reference of 86069-86-5).

(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5) belongs to piperidine derivatives. Piperidine has a role as a reagent, a protic solvent, a base, a catalyst, a plant metabolite, a human metabolite and a non-polar solvent. Industrially, piperidine is produced by the hydrogenation of pyridine, usually over a molybdenum disulfide catalyst. Pyridine can also be reduced to piperidine via a modified Birch reduction using sodium in ethanol.Reference of 86069-86-5

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Fate of active pharmaceutical ingredients in a northern high-rate algal pond fed with municipal wastewater was written by Lindberg, Richard H.;Namazkar, Shahla;Lage, Sandra;Oestman, Marcus;Gojkovic, Zivan;Funk, Christiane;Gentili, Francesco G.;Tysklind, Mats. And the article was included in Chemosphere in 2021.Quality Control of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid The following contents are mentioned in the article:

Active pharmaceutical ingredients (APIs) are vital to human health and welfare, but following therapeutic use, they may pose a potential ecol. risk if discharged into the environment. Today’s conventional municipal wastewater treatment plants are not designed to remove APIs specifically, and various techniques, preferably cost-effective and environmentally friendly, are being developed and evaluated. Microalgae-based treatment of wastewater is a sustainable and low-cost approach to remove nutrients and emerging contaminants. In this study, a North Sweden high-rate algal pond (HRAP) using municipal untreated wastewater as medium, was investigated in terms of API distribution and fate. Three six-day batches were prepared during 18 days and a total of 36 APIs were quantified within the HRAP of which 14 were removed from the aqueous phase above 50% and seven removed above 90% of their initial concentrations Twelve APIs of a hydrophobic nature were mostly associated with the algal biomass that was harvested at the end of each batch. HRAPs treatment successfully removed 69% of studied APIs (25 of 36 studied) in six day time. The distribution of various APIs between the aqueous phase and biomass suggested that several removal mechanisms may occur, such as hydrophobicity driven removal, passive biosorption and active bioaccumulation. This study involved multiple reactions and reactants, such as 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0Quality Control of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid).

2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0) belongs to piperidine derivatives. Piperidine has a role as a reagent, a protic solvent, a base, a catalyst, a plant metabolite, a human metabolite and a non-polar solvent. Fluorinated piperidines are also the subject of continued interest in medicinal chemistry, for example in the synthesis of selective dipeptidyl peptidase II (DPP II) inhibitors. Piperidine derivatives are also used in solid-phase peptide synthesis (SPPS) and many degradation reactions.Quality Control of 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Monitoring of pharmaceutical and personal care products in the upper reaches of the Yamato river system was written by Uranishi, Yosuke;Uranishi, Katsushige;Shiroyama, Jirou. And the article was included in Kankyo Kagaku in 2022.SDS of cas: 83799-24-0 The following contents are mentioned in the article:

We investigated concentration of 18 pharmaceutical and personal care products (PPCPs) in the upper reaches of the Yamato river system using LC-MS/MS in winter and summer in 2020. This river system extends over the Yamato plain area which accounts for nearly 90% of the population in Nara prefecture, and the river flow rate is extremely lower than others in Japan. Therefore, high concentration of PPCPs from the residential and com. sector are expected to be detected. As a result, 17 PPCPs were detected in one of the rivers. The results were compared with those of a previous study in a large urban area, and showed that differences in drug use due to the aging of the population and differences in sewerage coverage may affect differences in the frequency of PPCPs detection in rivers. Furthermore, by comparing the concentration ratios of PPCPs, it was possible to identify points where the concentration ratios of PPCPs were different from those of other water sampling points, reconfirming the importance of regional surveys. We compared PPCPs concentration with predicted no-effect concentration (PNEC) to assess the ecol. impact. As a result, clarithromycin, erythromycin, diclofenac, and carbamazepine which were detected in excess of the PNEC. The concentrations of these substances were similar to or lower than those in previous studies. This study involved multiple reactions and reactants, such as 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0SDS of cas: 83799-24-0).

2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0) belongs to piperidine derivatives. The piperidine ring can be found not only in more than half of the currently known structures of alkaloids, but also in many natural or synthetic compounds with interesting biological activities. Piperidine prefers a chair conformation, similar to cyclohexane. Unlike cyclohexane, piperidine has two distinguishable chair conformations: one with the N鈥揌 bond in an axial position, and the other in an equatorial position.SDS of cas: 83799-24-0

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Species difference in brain penetration of P-gp and BCRP substrates among monkey, dog and mouse was written by Kido, Yasuto;Nanchi, Isamu;Fusamae, Yasuyuki;Matsuzaki, Takanobu;Akazawa, Takanori;Sawada, Hiromi;Iwasaki, Makoto;Nishida, Kimiko;Tsuchiya, Eiichi;Okuda, Tomohiko. And the article was included in Drug Metabolism and Pharmacokinetics in 2022.Recommanded Product: 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid The following contents are mentioned in the article:

The brain penetration of 19 drugs, including P-glycoprotein (P-gp) and/or breast cancer resistance protein (BCRP) substrates, was compared among mice, cynomolgus monkeys and beagle dogs. The brain-to-plasma concentration ratios (Kp,brain) of the tested compounds in monkey and dog showed good correlation, whereas species differences were observed between non-rodents (monkey/dog) and rodents (mouse). In particular, the Kp,brain values of 7 compounds out of 12 P-gp substrates (Kp,brain ratio in P-gp knockout mice vs. wild-type mice 鈮?) in monkey and dog were more than three-fold higher than those in mice and a similar trend was observed in the brain-to-plasma unbound concentration ratios (Kp,uu,brain). The cerebral spinal fluid (CSF) drug concentrations (CCSF), a surrogate for unbound brain concentration (Cu,brain), were also compared between dog and monkey, and the CSF-to-plasma unbound concentration ratios (Kp,uu,CSF) of BCRP substrates in dog were notably higher than those in monkey, although non-bcrp substrates showed good correlation. Also, the Kp,uu,CSF values of BCRP substrates in dog were clearly higher than the Kp,uu,brain values, indicating that the dog CCSF of BCRP substrates was not suitable as a surrogate of Cu,brain. These observations should be useful when selecting the appropriate animal models for CNS drug discovery. This study involved multiple reactions and reactants, such as 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0Recommanded Product: 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid).

2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0) belongs to piperidine derivatives. The piperidine moiety constitutes an important building block for the synthesis of a variety of bioactive natural products, alkaloids and other drugs. Several piperidine alkaloids isolated from natural herbs, were found to exhibit antiproliferation and antimetastatic effects on various types of cancers both in vitro and in vivo for example Piperine, Evodiamine, Matrine, Berberine and Tetrandine.Recommanded Product: 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Prospective observational study on prescribing pattern of antifungal drugs among the 400 out-patients in department of dermatology in a tertiary care Hospital was written by Naaz, Rashmeen;Shetty, Shricharith;Chand, Sharad;Nandakumar, U. P.;Vinay, B. C.;Bharath Raj, K. C.. And the article was included in Biomedical and Pharmacology Journal in 2021.Formula: C32H39NO4 The following contents are mentioned in the article:

Fungal infections have been a serious disease over a few decades. Superficial fungal infections not only cause life-threatening illnesses but slowly reduce the Quality of life of patients. To study the prescribing pattern of antifungal drugs, distribution of fungal disease, and cost variability between different antifungal drugs prescribed. Prospective observational study was carried out at Justice K.S. Hegde Charitable Hospital from August 2018 to Apr. 2019. Outpatient departments patients satisfying the inclusion criteria were included in the study. Factors like age, gender, diagnosis, and type of prescribed antifungal drugs along with Price variability among different brands of the drug were considered. Antifungal drug prescriptions of patients were analyzed. More than 50% of the patients were from age 21-40 yrs. Males (51.8%) were more than females (48%). The majority of the drugs prescribed were topically (64%). Tinea corporis was the most prevalent fungal disease. The Azoles group of Antifungal was most prescribed. And the percentage variability between different brands was high. The study concluded the extensive use of antifungal agents. The highly prescribed drug was found to be luliconazole. The study also concluded that the use of generic prescriptions might reduce the cost of illness and enhance the rational use of the drug. This study involved multiple reactions and reactants, such as 2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0Formula: C32H39NO4).

2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid (cas: 83799-24-0) belongs to piperidine derivatives. Piperidine and its derivatives have become increasingly popular in many synthetic schemes. The piperidine and polyhydroxylated indolizidine derivatives have shown to be promising 伪-glucosidase inhibitors. The former are analogs of DNJ with an improved 伪-glucosidase inhibitory profile than that of DNJ. Boisson et al.Formula: C32H39NO4

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

c[D-pro-Pro-D-pro-N-methyl-Ala] adopts a rigid conformation that serves as a scaffold to mimic reverse-turns was written by Arbor, Sage;Kao, Jeff;Wu, Yun;Marshall, Garland R.. And the article was included in Biopolymers in 2008.Recommanded Product: (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid The following contents are mentioned in the article:

Naturally occurring cyclic tetrapeptides (CTPs) such as tentoxin, ampicidin, HC-toxin, and trapoxin have a wide range of biol. activity and potential use ranging from herbicides to therapeutics for malaria and cancer. To elucidate scaffolds that have few low-energy conformations and could serve as semirigid reverse-turn mimetics, the flexibility of CTPs was determined computationally. Four analogs of cyclic tetraproline c[Pro-pro-Pro-pro] with alternating L– and D-prolines, namely cyclic peptides c[pro-Pro-pro-NMe-Ala], c[pip-Pro-pip-Pro], c[pro-Pip-pro-Pro], and c[Ala-Pro-pip-Pro] were synthesized and characterized by NOESY NMR. Both mol. mechanics and D. Functional Theory quantum calculations found these head-to-tail CTPs to be constrained to one or two relatively stable conformations. NMR structures, while not always yielding the same lowest energy conformation as expected by in silico predictions, confirmed only one or two highly populated solution conformations for all four peptides examined Cyclic peptide c[pro-Pro-pro-NMe-Ala] was shown to have a single all trans-amide bond conformation from both in silico predictions and NMR characterization, and to be a reverse-turn mimetic by overlapping four C伪-C尾 bonds with those for 鈭?.5% of reverse-turns in the Protein Data Bank PDB with a RMSD of 0.57 脜. This study involved multiple reactions and reactants, such as (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5Recommanded Product: (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid).

(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid (cas: 86069-86-5) belongs to piperidine derivatives. Piperidine and its derivatives have become increasingly popular in many synthetic schemes. Industrially, piperidine is produced by the hydrogenation of pyridine, usually over a molybdenum disulfide catalyst. Pyridine can also be reduced to piperidine via a modified Birch reduction using sodium in ethanol.Recommanded Product: (S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-2-carboxylic acid

Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem