Category: 136725-55-8

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride, is researched, Molecular C4H9ClFN, CAS is 136725-55-8, about Facile and efficient syntheses of novel (S)- and (R)-3-fluoropyrrolidines and 3,3-difluoropyrrolidine, the main research direction is fluoropyrrolidine enantiomeric synthesis; difluoropyrrolidine enantiomeric; pyrrolidine fluoro difluoro.Quality Control of (R)-(-)-3-Fluoropyrrolidine Hydrochloride.

Novel enantiomeric 3-fluoropyrrolidines and 3,3-difluoropyrrolidine were obtained in high yield starting from the enantiomerically pure and com. available (2S,4R)-4-hydroxyproline. Spray-dried potassium fluoride and diethylaminosulfur trifluoride were used to introduce one or two fluorine atoms, resp.

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Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – 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: 136725-55-8, is researched, Molecular C4H9ClFN, about Fluorine Substitution Induced High Tc of Enantiomeric Perovskite Ferroelectrics: (R)- and (S)-3-(Fluoropyrrolidinium)MnCl3, the main research direction is manganese chloride fluoropyrrolidinium fluorine substitution enantiomeric perovskite ferroelec.Application of 136725-55-8.

The past decade has witnessed much progress in designing mol. ferroelecs., whose intrinsic mech. flexibility, structural tunability, and easy processability are desirable for next-generation flexible and wearable electronic devices. However, an obstacle in expanding their promising applications in nonvolatile memory elements, capacitors, and sensors is effectively modulating the Curie temperature (Tc). Here, taking advantage of fluorine substitution on the reported mol. ferroelec., (pyrrolidinium)MnCl3, we present enantiomeric perovskite ferroelecs., namely, (R)- and (S)-3-(fluoropyrrolidinium)MnCl3. The close van der Waal’s radii and the similar steric parameters between H and F atoms ensure the min. disruption of the crystal structure, while their different electronegativity and polarizability can trigger significant changes in the phys. and chem. properties. As expected, the Tc gets successfully increased from 295 K in (pyrrolidinium)MnCl3 to 333 K in these two homochiral compounds Such a dramatic enhancement of 38 K signifies an important step toward designing high-Tc mol. ferroelecs. In the light of the conceptually new idea of fluorine substitution, one could look forward to a continuous succession of new mol. ferroelec. materials and technol. developments.

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Pyridazine – Wikipedia,
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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.Patrick, Donald A.; Gillespie, J. Robert; McQueen, Joshua; Hulverson, Matthew A.; Ranade, Ranae M.; Creason, Sharon A.; Herbst, Zackary M.; Gelb, Michael H.; Buckner, Frederick S.; Tidwell, Richard R. researched the compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride( cas:136725-55-8 ).Recommanded Product: (R)-(-)-3-Fluoropyrrolidine Hydrochloride.They published the article 《Urea Derivatives of 2-Aryl-benzothiazol-5-amines: A New Class of Potential Drugs for Human African Trypanosomiasis》 about this compound( cas:136725-55-8 ) in Journal of Medicinal Chemistry. Keywords: aryl benzothiazolamine preparation trypanosomicide human African trypanosomiasis treatment. We’ll tell you more about this compound (cas:136725-55-8).

A previous publication from this lab explored the antitrypanosomal activities of novel derivatives of 2-(2-benzamido)ethyl-4-phenylthiazole, which had been identified as a hit against Trypanosoma brucei, the causative agent of human African trypanosomiasis. While a number of these compounds, particularly the urea analogs, were quite potent, these mols. as a whole exhibited poor metabolic stability. The present work describes the synthesis of 65 new analogs arising from medicinal chem. optimization at different sites on the mol. The most promising compounds were the urea derivatives of 2-aryl-benzothiazol-5-amines. One such analog, (S)-2-(3,4-difluorophenyl)-5-(3-fluoro-N-pyrrolidylamido)benzothiazole (I) was chosen for in vivo efficacy studies based upon in vitro activity, metabolic stability, and brain penetration. This compound attained 5/5 cures in murine models of both early and late stage human African trypanosomiasis, representing a new lead for the development of drugs to combat this neglected disease.

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Pyridazine – Wikipedia,
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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: 136725-55-8, is researched, Molecular C4H9ClFN, about Discovery and Characterization of Selective and Ligand-Efficient DYRK Inhibitors, the main research direction is DYRK inhibitor ligand efficient.HPLC of Formula: 136725-55-8.

Dual-specificity tyrosine-regulated kinase 1A (DYRK1A) regulates the proliferation and differentiation of neuronal progenitor cells during brain development. Consequently, DYRK1A has attracted interest as a target for the treatment of neurodegenerative diseases, including Alzheimer′s disease (AD) and Down′s syndrome. Recently, the inhibition of DYRK1A has been investigated as a potential treatment for diabetes, while DYRK1A′s role as a mediator in the cell cycle has garnered interest in oncol. indications. Structure-activity relationship (SAR) anal. in combination with high-resolution X-ray crystallog. leads to a series of pyrazolo[1,5-b]pyridazine inhibitors with excellent ligand efficiencies, good physicochem. properties, and a high degree of selectivity over the kinome. Compound 11 (I) exhibited good permeability and cellular activity without P-glycoprotein liability, extending the utility of 11 in an in vivo setting. These pyrazolo[1,5-b]pyridazines are a viable lead series in the discovery of new therapies for the treatment of diseases linked to DYRK1A function.

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Pyridazine – Wikipedia,
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Category: pyridazine. 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: (R)-(-)-3-Fluoropyrrolidine Hydrochloride, is researched, Molecular C4H9ClFN, CAS is 136725-55-8, about Enantiomorphic Perovskite Ferroelectrics with Circularly Polarized Luminescence. Author is Gao, Ji-Xing; Zhang, Wan-Ying; Wu, Zheng-Guang; Zheng, You-Xuan; Fu, Da-Wei.

Materials with circularly polarized luminescence (CPL) activity have immense potential applications in mol. switches, optical sensors, information storage, asym. photosynthesis, 3D optical displays, biol. probe, and spintronic devices. However, the achiral architectures of most of the luminophores severely limit their practical needs. Within this context, mol. ferroelecs. with striking chem. variability and structure-property flexibility bring light to the assembly of CPL-active ferroelec. materials. Herein, we report organic-inorganic perovskite enantiomorphic ferroelecs., (R)- and (S)-3-(fluoropyrrolidinium)MnBr3, undergoing a 222F2-type ferroelec. phase transition at 273 K. Their mirror relationships are verified by both single-crystal X-ray diffraction and vibrational CD (VCD). Furthermore, the corresponding Cotton effect for two chiral crystals was captured by mirror CPL activity. This may be assigned to the inducing interaction between the achiral luminescent perovskite framework and chiral organic components. As far as we know, this is the first mol. ferroelec. with CPL activity. Accordingly, this will inspire intriguing research in mol. ferroelecs. with CPL activity and holds great potential for the development of new optoelectronic devices.

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Pyridazine – Wikipedia,
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Recommanded Product: 136725-55-8. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride, is researched, Molecular C4H9ClFN, CAS is 136725-55-8, about Fluorine in medicinal chemistry: β-fluorination of peripheral pyrrolidines attached to acridine ligands affects their interactions with G-quadruplex DNA. Author is Campbell, Nancy H.; Smith, Daniel L.; Reszka, Anthony P.; Neidle, Stephen; O’Hagan, David.

Comparative X-ray structure studies reveal that C-F bond incorporation into the peripheral pyrrolidine moieties of the G-quadruplex DNA binding ligand BSU6039 leads to a distinct pyrrolidine ring conformation, relative to the non-fluorinated analog, and with a different binding mode involving reversal of the pyrrolidinium N+-H orientation.

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Reference:
Pyridazine – Wikipedia,
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Recommanded Product: (R)-(-)-3-Fluoropyrrolidine Hydrochloride. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride, is researched, Molecular C4H9ClFN, CAS is 136725-55-8, about Fluorine in medicinal chemistry: β-fluorination of peripheral pyrrolidines attached to acridine ligands affects their interactions with G-quadruplex DNA. Author is Campbell, Nancy H.; Smith, Daniel L.; Reszka, Anthony P.; Neidle, Stephen; O’Hagan, David.

Comparative X-ray structure studies reveal that C-F bond incorporation into the peripheral pyrrolidine moieties of the G-quadruplex DNA binding ligand BSU6039 leads to a distinct pyrrolidine ring conformation, relative to the non-fluorinated analog, and with a different binding mode involving reversal of the pyrrolidinium N+-H orientation.

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Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride( cas:136725-55-8 ) is researched.Safety of (R)-(-)-3-Fluoropyrrolidine Hydrochloride.Giardina, Giuseppe; Dondio, Giulio; Grugni, Mario published the article 《Facile and efficient syntheses of novel (S)- and (R)-3-fluoropyrrolidines and 3,3-difluoropyrrolidine》 about this compound( cas:136725-55-8 ) in Synlett. Keywords: fluoropyrrolidine enantiomeric synthesis; difluoropyrrolidine enantiomeric; pyrrolidine fluoro difluoro. Let’s learn more about this compound (cas:136725-55-8).

Novel enantiomeric 3-fluoropyrrolidines and 3,3-difluoropyrrolidine were obtained in high yield starting from the enantiomerically pure and com. available (2S,4R)-4-hydroxyproline. Spray-dried potassium fluoride and diethylaminosulfur trifluoride were used to introduce one or two fluorine atoms, resp.

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Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Discovery of novel 4-phenyl-2-(pyrrolidinyl)nicotinamide derivatives as potent Nav1.1 activators, published in 2019-03-15, which mentions a compound: 136725-55-8, mainly applied to phenyl pyrrolidinyl nicotinamide derivative preparation sodium channel CNS disease; Dravet syndrome phenyl pyrrolidinyl nicotinamide derivative preparation; BBB penetration; Dravet syndrome; Na(v)1.1 activator; Slow current decay of inactivation; Voltage-gated sodium channels, Formula: C4H9ClFN.

The voltage-gated sodium channel, Nav1.1, is predominantly expressed in parvalbumin-pos. fast spiking interneurons and has been genetically linked to Dravet syndrome. Starting from a high throughput screening hit isoxazole derivative 5, modifications of 5 via combinations of IonWorks and Q-patch assays successfully identified the nicotinamide derivative 4. Its increasing decay time constant (tau) of Nav1.1 currents at 0.03 μM along with significant selectivity against Nav1.2, Nav1.5, and Nav1.6 and acceptable brain exposure in mice was observed Compound 4 is a promising Nav1.1 activator that can be used to analyze pathophysiol. functions of the Nav1.1 channel towards treating various central nervous system diseases.

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Reference:
Pyridazine – Wikipedia,
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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: (R)-(-)-3-Fluoropyrrolidine Hydrochloride( cas:136725-55-8 ) is researched.COA of Formula: C4H9ClFN.Ai, Yong; Chen, Xiao-Gang; Shi, Ping-Ping; Tang, Yuan-Yuan; Li, Peng-Fei; Liao, Wei-Qiang; Xiong, Ren-Gen published the article 《Fluorine Substitution Induced High Tc of Enantiomeric Perovskite Ferroelectrics: (R)- and (S)-3-(Fluoropyrrolidinium)MnCl3》 about this compound( cas:136725-55-8 ) in Journal of the American Chemical Society. Keywords: manganese chloride fluoropyrrolidinium fluorine substitution enantiomeric perovskite ferroelec. Let’s learn more about this compound (cas:136725-55-8).

The past decade has witnessed much progress in designing mol. ferroelecs., whose intrinsic mech. flexibility, structural tunability, and easy processability are desirable for next-generation flexible and wearable electronic devices. However, an obstacle in expanding their promising applications in nonvolatile memory elements, capacitors, and sensors is effectively modulating the Curie temperature (Tc). Here, taking advantage of fluorine substitution on the reported mol. ferroelec., (pyrrolidinium)MnCl3, we present enantiomeric perovskite ferroelecs., namely, (R)- and (S)-3-(fluoropyrrolidinium)MnCl3. The close van der Waal’s radii and the similar steric parameters between H and F atoms ensure the min. disruption of the crystal structure, while their different electronegativity and polarizability can trigger significant changes in the phys. and chem. properties. As expected, the Tc gets successfully increased from 295 K in (pyrrolidinium)MnCl3 to 333 K in these two homochiral compounds Such a dramatic enhancement of 38 K signifies an important step toward designing high-Tc mol. ferroelecs. In the light of the conceptually new idea of fluorine substitution, one could look forward to a continuous succession of new mol. ferroelec. materials and technol. developments.

Compound(136725-55-8)COA of Formula: C4H9ClFN received a lot of attention, and I have introduced some compounds in other articles, similar to this compound((R)-(-)-3-Fluoropyrrolidine Hydrochloride), if you are interested, you can check out my other related articles.

Reference:
Pyridazine – Wikipedia,
Pyridazine | C4H4N2 – PubChem