27305-70-0

Usage

Uses

Used in Pharmaceutical Research:
2-(5-methyl-1H-pyrazol-3-yl)pyridine is used as a research compound for its potential therapeutic applications in the treatment of cancer and neurological disorders. Its ability to modulate intracellular signaling pathways makes it a promising candidate for drug development.
Used in Drug Development:
MPP is used as a lead compound in the development of new drugs targeting phosphodiesterase 10A. Its potency as an inhibitor of this enzyme suggests its potential in treating diseases where this enzyme plays a significant role.
Used in Synthesis of Biologically Active Compounds:
2-(5-methyl-1H-pyrazol-3-yl)pyridine is used as a building block in the synthesis of various biologically active compounds, contributing to the creation of novel pharmaceutical agents with diverse therapeutic properties.
Used in Enzyme Inhibition Studies:
MPP is utilized in studies focused on enzyme inhibition, particularly targeting phosphodiesterase 10A, to understand its role in disease mechanisms and to develop strategies for modulating its activity for therapeutic benefit.

Upstream product

• 2524-52-9 ethyl-2-picolinate 
• 1122-62-9 2-acetylpyridine 
• 2459-07-6 methyl pyridine-2-carboxylate 
• 40614-52-6 1-pyridin-2-yl-butane-1,3-dione 

Downstream Products

• 73882-52-7 2-(2-Benzyl-5-methyl-2H-pyrazol-3-yl)-pyridine 

Relevant academic research and scientific papers

Photoluminescence and electroluminescence of four orange-red and red organic iridium(III) complexes

Using 1-(4-(trifluoromethyl)phenyl)isoquinoline (tfmpiq) and 4-(4-(trifluoromethyl)phenyl) quinazoline (tfmpqz) as the main ligands and pyrazole pyridine derivatives (mepzpy: 2-(3-methyl-1H-pyrazol-5-yl)pyridine, cf3pzpy: 2-(3-(trifluoromethyl)-1H-pyrazol

High efficiency electroluminescence of orange-red iridium(III) complexes for OLEDs with an EQE over 30%

In this study, three pyrazol-pyridine ligands, 2-(3-methyl-1H-pyrazol-5-yl)pyridine (mepzpy), 2-(3-(trifluoromethyl)-1H-pyrazol-5-yl)pyridine (cf3pzpy), and 2-(3-phenyl-1H-pyrazol-5-yl)pyridine (phpzpy) were successfully synthesized for three orange-red iridium (III) complexes Ir1, Ir2, and Ir3, respectively, in which (2,6-bis(trifluoromethyl)pyridin-4-yl)isoquinoline (BTPIQ) was applied as main ligand. Their single crystals were obtained by vacuum sublimation. They showed distinct photoluminescent emissions at 583 nm with a shoulder peak at 624 nm, with high phosphorescence quantum yields of up to 89%. Organic light-emitting devices (OLEDs) with these complexes as emitters exhibits good performances. Especially, the device with Ir3 complex achieves the best performance with a maximum luminance of 24,188 cd m?2, and a highest external quantum efficiency of 30.65%. This research proved that Ir(III) complexes show highly enhanced performance by the modification of electro-donating benzene ring group into ancillary ligands, which also offers us an efficient strategy to obtain high efficiency orange-red Ir(III) complexes for OLEDs.

Tris(pyrazolyl)borate Copper Hydroxide Complexes Featuring Tunable Intramolecular H-Bonding

A modular synthesis provides access to a series of new tris(pyrazolyl)borate ligands XpyMeTpK that possess a single functionalized pendant pyridyl (py) or pyrimidyl (pyd) arm designed to engage in tunable intramolecular H-bonding to metal-bound functionalities. To illustrate such H-bonding interactions, a series of [XpyMeTpCu]2(μ-OH)2 (6a-6e) complexes were synthesized from the corresponding XpyMeTpCu-OAc (5a-5e) complexes. Single crystal X-ray structures of three new dinuclear [XpyMeTpCu]2(μ-OH)2 complexes reveal H-bonding between the pendant heterocycle and bridging hydroxide ligands while the donor arm engages the copper center in an unusual monomeric DMAPMeTpCu-OH complex. Vibrational studies (IR) of each bridging hydroxide complex reveal reduced νOH frequencies that tracks with the H-bond accepting ability of the pendant arm. Reversible protonation studies that interconvert [XpyMeTpCu]2(μ-OH)2 and [XpyMeTpCu(OH2)]OTf species indicate that the acidity of the corresponding aquo ligand decreases with increasing H-bond accepting ability of the pendant arm.

Pyrazole compound containing N-aryl sulfonate and synthesis and application thereof

The invention discloses a pyrazole compound containing N-aryl sulfonate. A structural formula of the pyrazole compound is shown in the description. Proofed by pharmacological study, the pyrazole compound has the advantages that the activity of cyclooxygenase 2 is inhibited; the high-efficiency inhibition function on the generation of cyclooxygenase 2 due to inflammation mediums is realized, so that the pyrazole compound can be used as an active matter, and the prepared anti-inflammation medicine can be used for treating the inflammations, such as rheumatic arthritis and rheumatalgia, and the diseases and symptoms, such as fevers.

Highly efficient green electroluminescence of iridium(iii) complexes based on (1: H -pyrazol-5-yl)pyridine derivatives ancillary ligands with low efficiency roll-off

Four iridium(iii) complexes, namely Ir-me, Ir-cf3, Ir-py, and Ir-ph, were synthesized, in which 2-(4-trifluoromethyl)phenylpyridine (tfmppy) was used as the main ligand and 2-(3-methyl-1H-pyrazol-5-yl)pyridine (mepzpy), 2-(3-(trifluoromethyl)-1H-pyrazol-5-yl)pyridine (cf3pzpy), 2,2′-(1H-pyrazole-3,5-diyl)dipyridine (pypzpy), and 2-(3-phenyl-1H-pyrazol-5-yl)pyridine (phpzpy) were applied as ancillary ligands, respectively. All complexes showed similar green light peaking at 494-499 nm with high phosphorescence quantum efficiency (0.76-0.82). The organic light-emitting diodes (OLEDs) with the structure of ITO/HATCN (hexaazatriphenylenehexacabonitrile) (5 nm)/TAPC (bis[4-(N,N-ditolylamino)-phenyl]cyclohexane, 50 nm)/Ir complexes (8 wt%): TCTA (4,4′,4′′-tri(9-carbazoyl)triphenylamine, 20 nm)/TmPyPB (1,3,5-tri[(3-pyridyl)-phen-3-yl]benzene, 40 nm)/LiF (1 nm)/Al (100 nm) displayed high current efficiency with low efficiency roll-off. Moreover, the device based on the Ir-me complex exhibited the best performances with a maximum luminance of 38 155 cd m-2, maximum current efficiency of 92 cd A-1, and a maximum external quantum efficiency of 28.90%. These results suggested that green Ir(iii) complexes were obtained by modification of the ppy ligand and rational introduction of (1H-pyrazol-5-yl)pyridine derivatives as the ancillary ligands for high efficient OLEDs.

Highly efficient bluish green organic light-emitting diodes of iridium(iii) complexes with low efficiency roll-off

Two novel iridium(iii) complexes Ir(BTBP)2mepzpy and Ir(BTBP)2phpzpy were successfully synthesized, in which 2′,6′-bis(trifluoromethyl)-2,4′-bipyridine (BTBP) was used as the main ligand, and 2-(3-methyl-1H-pyrazol-5-yl)pyridine (mep

Structure-reactivity relationships in the hydrogenation of carbon dioxide with ruthenium complexes bearing pyridinylazolato ligands

Pyridinylazolato (N-N') ruthenium(II) complexes of the type [(N-N')RuCl(PMe3)3] have been obtained in high yields by treating the corresponding functionalised azolylpyridines with [RuCl 2(PMe3)4] in the presence of a base. 15N NMR spectroscopy was used to elucidate the electronic influence of the substituents attached to the azolyl ring. The findings are in agreement with slight differences in the bond lengths of the ruthenium complexes. Furthermore, the electronic nature of the azolate moiety modulates the catalytic activity of the ruthenium complexes in the hydrogenation of carbon dioxide under supercritical conditions and in the transfer hydrogenation of acetophenone. DFT calculations were performed to shed light on the mechanism of the hydrogenation of carbon dioxide and to clarify the impact of the electronic nature of the pyridinylazolate ligands. Copyright

Excited-state intramolecular proton transfer in five-membered hydrogen-bonding systems: 2-Pyridyl pyrazoles

The excited-state intramolecular proton transfer (ESIPT) reaction in five-membered N-H···N hydrogen-bonding systems has been explored through design and syntheses of a series of 5-(2-pyridyl) 1-H-pyrazoles 1a-d. The ESIPT mechanism was confirmed through s

Molybdenum-catalyzed olefin epoxidation: Ligand effects

We synthesized substituted pyrazolylpyridine ligands to examine their donor properties by spectroscopic (IR, NMR) and computational (AM 1) methods. The influence of the substitution patterns on spectroscopic and thermodynamic features of molybdenum oxobis

REACTION OF 1-PYRIDYL-1,3-BUTANEDIONES AND 1,3-DIPYRIDYL-1,3-PROPANEDIONES

Reduction of diketones I with zinc and formic acid gives monoketones II.Diketones Ia, IIIb, IIIc are converted with hydrazines to pyrazoles VIa, IVa, IVb, V.Methiodides VII are reduced with sodium borohydride to derivatives of 1-methyl-3-piperideine VIII-