Szlavik, Zoltan’s team published research in Journal of Medicinal Chemistry in 2020 | CAS: 52096-24-9

1-Butyl-1H-pyrazole(cas: 52096-24-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Product Details of 52096-24-9

Product Details of 52096-24-9On November 25, 2020 ,《Discovery of S64315, a Potent and Selective Mcl-1 Inhibitor》 appeared in Journal of Medicinal Chemistry. The author of the article were Szlavik, Zoltan; Csekei, Marton; Paczal, Attila; Szabo, Zoltan B.; Sipos, Szabolcs; Radics, Gabor; Proszenyak, Agnes; Balint, Balazs; Murray, James; Davidson, James; Chen, Ijen; Dokurno, Pawel; Surgenor, Allan E.; Daniels, Zoe Marie; Hubbard, Roderick E.; Le Toumelin-Braizat, Gaetane; Claperon, Audrey; Lysiak-Auvity, Gaelle; Girard, Anne-Marie; Bruno, Alain; Chanrion, Maia; Colland, Frederic; Maragno, Ana-Leticia; Demarles, Didier; Geneste, Olivier; Kotschy, Andras. The article conveys some information:

Myeloid cell leukemia 1 (Mcl-1) has emerged as an attractive target for cancer therapy. It is an antiapoptotic member of the Bcl-2 family of proteins, whose upregulation in human cancers is associated with high tumor grade, poor survival, and resistance to chemotherapy. Here we report the discovery of our clin. candidate S64315, a selective small mol. inhibitor of Mcl-1. Starting from a fragment derived lead compound, we have conducted structure guided optimization that has led to a significant (3 log) improvement of target affinity as well as cellular potency. The presence of hindered rotation along a biaryl axis has conferred high selectivity to the compounds against other members of the Bcl-2 family. During optimization, we have also established predictive PD markers of Mcl-1 inhibition and achieved both efficient in vitro cell killing and tumor regression in Mcl-1 dependent cancer models. The preclin. candidate has drug-like properties that have enabled its development and entry into clin. trials. In addition to this study using 1-Butyl-1H-pyrazole, there are many other studies that have used 1-Butyl-1H-pyrazole(cas: 52096-24-9Product Details of 52096-24-9) was used in this study.

1-Butyl-1H-pyrazole(cas: 52096-24-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Product Details of 52096-24-9

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Desai, Dhimant’s team published research in Chemico-Biological Interactions in 2010 | CAS: 15366-34-4

Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Recommanded Product: 15366-34-4

Recommanded Product: 15366-34-4In 2010 ,《Synthesis and evaluation of the anti-inflammatory properties of selenium-derivatives of celecoxib》 was published in Chemico-Biological Interactions. The article was written by Desai, Dhimant; Kaushal, Naveen; Gandhi, Ujjawal H.; Arner, Ryan J.; D’Souza, Christopher; Chen, Gang; Vunta, Hema; El-Bayoumy, Karam; Amin, Shantu; Prabhu, K. Sandeep. The article contains the following contents:

Celecoxib is a selective cyclooxygenase (COX)-2 inhibitor used to treat inflammation, while selenium is known to down-regulate the transcription of COX-2 and other pro-inflammatory genes. To expand the anti-inflammatory property, wherein celecoxib could inhibit pro-inflammatory gene expression at extremely low doses, we incorporated selenium (Se) into two Se-derivatives of celecoxib, namely; selenocoxib-2 and selenocoxib-3. In vitro kinetic assays of the inhibition of purified human COX-2 activity by these compounds indicated that celecoxib and selenocoxib-3 had identical K I values of 2.3 and 2.4 μM; while selenocoxib-2 had a lower K I of 0.72 μM. Furthermore, selenocoxib-2 inhibited lipopolysaccharide-induced activation of NF-κB leading to the down-regulation of expression of COX-2, iNOS, and TNFα more effectively than selenocoxib-3 and celecoxib in RAW264.7 macrophages and murine bone marrow-derived macrophages. Studies with rat liver microsomes followed by UPLC-MS-MS anal. indicated the formation of selenenylsulfide conjugates of selenocoxib-2 with N-acetylcysteine. Selenocoxib-2 was found to release minor amounts of Se that was effectively inhibited by the CYP inhibitor, sulphaphenazole. While these studies suggest that selenocoxib-2, but not celecoxib and selenocoxib-3, targets upstream events in the NF-κB signaling axis, the ability to effectively suppress NF-κB activation independent of cellular selenoprotein synthesis opens possibilities for a new generation of COX-2 inhibitors with significant and broader anti-inflammatory potential. In the part of experimental materials, we found many familiar compounds, such as Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4Recommanded Product: 15366-34-4)

Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Recommanded Product: 15366-34-4

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Ma, Xiaodong’s team published research in Bioorganic & Medicinal Chemistry in 2015 | CAS: 847818-74-0

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, monoamine oxidase inhibitory, anti-inflammatory, antidiabetic and antibacterial activities. Application of 847818-74-0

Application of 847818-74-0In 2015 ,《Discovery of novel quinoline-based mTOR inhibitors via introducing intra-molecular hydrogen bonding scaffold (iMHBS): The design, synthesis and biological evaluation》 appeared in Bioorganic & Medicinal Chemistry. The author of the article were Ma, Xiaodong; Lv, Xiaoqing; Qiu, Ni; Yang, Bo; He, Qiaojun; Hu, Yongzhou. The article conveys some information:

A series of quinoline derivatives featuring the novelty of introducing intra-mol. hydrogen bonding scaffold (iMHBS) were designed, synthesized and biol. evaluated for their mTOR inhibitory activity, as well as anti-proliferative efficacies against HCT-116, PC-3 and MCF-7 cell lines. As a result, six compounds exhibited significant inhibition against mTOR with IC50 values below 35 nM. Hydrochloride of 4′-((4-(piperazin-1-yl)-3-(trifluoromethyl)phenyl)amino)-[3,6′-biquinoline]-3′-carboxamide (compound 15a), the most potent mTOR inhibitor reported herein (IC50 = 14 nM), also displayed the most favorable cellular activities, with the IC50 values of 0.46, 0.61 and 0.24 μM against HCT-116, PC-3 and MCF-7, resp. Besides, several compounds in this series were identified to be selective over class I PI3Ks. Further western blot anal. of 4′-((4-(4-acetylpiperazin-1-yl)-3-(trifluoromethyl)phe- nyl)amino)-[3,6′-biquinoline]-3′-carboxamide (compound 16b), a representative compound in this series, highlighted their advantage in surmounting the S6K/IRS1/PI3K neg. feedback loop upon dual inhibition of mTORC1 and mTORC2. In addition to the remarkable activity, (compound 15a) demonstrated acceptable stability in simulated gastric fluid (SGF), simulated intestinal fluid (SIF) and liver microsome, thereby being valuable for extensive in vivo investigation. In the experimental materials used by the author, we found 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0Application of 847818-74-0)

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, monoamine oxidase inhibitory, anti-inflammatory, antidiabetic and antibacterial activities. Application of 847818-74-0

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Umei, Kentaro’s team published research in Bioorganic & Medicinal Chemistry in 2017 | CAS: 15366-34-4

Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Category: pyrazoles-derivatives

Category: pyrazoles-derivativesIn 2017 ,《Novel pyrazolo[1,5-a]pyridines as orally active EP1 receptor antagonists: Synthesis, structure-activity relationship studies, and biological evaluation》 appeared in Bioorganic & Medicinal Chemistry. The author of the article were Umei, Kentaro; Nishigaya, Yosuke; Kondo, Atsushi; Tatani, Kazuya; Tanaka, Nobuyuki; Kohno, Yasushi; Seto, Shigeki. The article conveys some information:

Novel pyrazolo[1,5-a]pyridine derivatives were designed, synthesized and evaluated as orally active EP1 antagonists for the treatment of overactive bladder. Matched mol. pair anal. (MMPA) allowed the design of a new series of pyrazolo[1,5-a]pyridine derivatives Structure-activity relationships (SAR) studies of were performed, leading to identification of the nanomolar-level EP1 antagonist I, which exhibited good pharmacol. effect through intraduodenal (id) administration in a 17-phenyltrinor prostaglandin E2-induced bladder contraction model in rats. The experimental part of the paper was very detailed, including the reaction process of Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4Category: pyrazoles-derivatives)

Methyl 1H-pyrazole-3-carboxylate(cas: 15366-34-4) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Category: pyrazoles-derivatives

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Rabal, Obdulia’s team published research in Journal of Medicinal Chemistry in 2018 | CAS: 847818-74-0

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, monoamine oxidase inhibitory, anti-inflammatory, antidiabetic and antibacterial activities. Category: pyrazoles-derivatives

Category: pyrazoles-derivativesIn 2018 ,《Discovery of Reversible DNA Methyltransferase and Lysine Methyltransferase G9a Inhibitors with Antitumoral in Vivo Efficacy》 appeared in Journal of Medicinal Chemistry. The author of the article were Rabal, Obdulia; San Jose-Eneriz, Edurne; Agirre, Xabier; Sanchez-Arias, Juan Antonio; Vilas-Zornoza, Amaia; Ugarte, Ana; de Miguel, Irene; Miranda, Estibaliz; Garate, Leire; Fraga, Mario; Santamarina, Pablo; Fernandez Perez, Raul; Ordonez, Raquel; Saez, Elena; Roa, Sergio; Garcia-Barchino, Maria Jose; Martinez-Climent, Jose Angel; Liu, Yingying; Wu, Wei; Xu, Musheng; Prosper, Felipe; Oyarzabal, Julen. The article conveys some information:

Using knowledge- and structure-based approaches, we designed and synthesized reversible chem. probes that simultaneously inhibit the activity of two epigenetic targets, histone 3 lysine 9 methyltransferase (G9a) and DNA methyltransferases (DNMT), at nanomolar ranges. Enzymic competition assays confirmed our design strategy: substrate competitive inhibitors. Next, an initial exploration around our hit 11 was pursued to identify an adequate tool compound for in vivo testing. In vitro treatment of different hematol. neoplasia cell lines led to the identification of mols. with clear antiproliferative efficacies (GI50 values in the nanomolar range). On the basis of epigenetic functional cellular responses (levels of lysine 9 methylation and 5-methylcytosine), an acceptable therapeutic window (around 1 log unit) and a suitable pharmacokinetic profile, 12 was selected for in vivo proof-of-concept. Herein, 12 achieved a significant in vivo efficacy: 70% overall tumor growth inhibition of a human acute myeloid leukemia (AML) xenograft in a mouse model. The experimental part of the paper was very detailed, including the reaction process of 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0Category: pyrazoles-derivatives)

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, monoamine oxidase inhibitory, anti-inflammatory, antidiabetic and antibacterial activities. Category: pyrazoles-derivatives

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Wang, Rui-Dong’s team published research in Journal of Hazardous Materials in 2022 | CAS: 844501-71-9

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 844501-71-9) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, neuroleptic, anticonvulsant, monoamine oxidase inhibitory, anti-inflammatory, antipyretic, antiarrhythmic, sedative, muscle relaxant, antidiabetic and antibacterial activities. Recommanded Product: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

In 2022,Wang, Rui-Dong; He, Liancheng; Zhu, Rong-Rong; Jia, Mingxuan; Zhou, Sihan; Tang, Jinsheng; Zhang, Wen-Qian; Du, Lin; Zhao, Qi-Hua published an article in Journal of Hazardous Materials. The title of the article was 《Highly efficient and selective capture Pb(II) through a novel metal-organic framework containing bifunctional groups》.Recommanded Product: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole The author mentioned the following in the article:

The design and development of materials with a selective adsorption capacity for Pb(II) are very important for environmental governance and ecol. safety. In this work, a novel 3D metal-organic framework ([Cd2H4L4Cl2SO4]·4H2O, Cd-MOF) is constructed using a multiple pyrazole heterocycles tetraphenylethylene-based ligand (H4L4) and CdSO4 which containing Pb(II) adsorption sites (SO42-). Studies have shown that the Cd-MOF has outstanding stability, and its maximum adsorption value of Pb(II) can be as high as 845.55 mg/g, which is higher than that of most MOFs or MOFs modified materials. It is worth emphasizing that the Cd-MOF have excellent recyclability due to the unique adsorption mechanism of the Cd-MOF. Thermodn. studies have shown that Pb(II) adsorption of the Cd-MOF is a spontaneous endothermic process. Specific selective adsorption, exceptional stability and remarkable recyclability make the Cd-MOF a potential material for industrial capture and recovery of Pb(II) from water. In the experimental materials used by the author, we found 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 844501-71-9Recommanded Product: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole)

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 844501-71-9) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, neuroleptic, anticonvulsant, monoamine oxidase inhibitory, anti-inflammatory, antipyretic, antiarrhythmic, sedative, muscle relaxant, antidiabetic and antibacterial activities. Recommanded Product: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Jayasundara, Chathurika R. K.’s team published research in Organometallics in 2018 | CAS: 847818-74-0

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, monoamine oxidase inhibitory, anti-inflammatory, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, antidiabetic and antibacterial activities. Synthetic Route of C10H17BN2O2

In 2018,Jayasundara, Chathurika R. K.; Sabasovs, Dmitrijs; Staples, Richard J.; Oppenheimer, Jossian; Smith, Milton R.; Maleczka, Robert E. published 《Cobalt-Catalyzed C-H Borylation of Alkyl Arenes and Heteroarenes Including the First Selective Borylations of Secondary Benzylic C-H Bonds》.Organometallics published the findings.Synthetic Route of C10H17BN2O2 The information in the text is summarized as follows:

A Co di-tert-butoxide complex bearing N-heterocyclic carbene (NHC) ligands was synthesized and characterized. This complex is effective at catalyzing the selective monoborylation of the benzylic position of alkyl arenes using pinacolborane (HBpin) as the B source. This same Co complex enables selective monoborylation of N-methylpyrrole, N-methylpyrazole, and N-methylindole. Catalysis can be achieved with ≥2-3 mol % of the Co precatalyst at 80°. The experimental process involved the reaction of 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0Synthetic Route of C10H17BN2O2)

1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole(cas: 847818-74-0) belongs to pyrazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, monoamine oxidase inhibitory, anti-inflammatory, antipyretic, neuroleptic, anticonvulsant, antiarrhythmic, sedative, muscle relaxant, antidiabetic and antibacterial activities. Synthetic Route of C10H17BN2O2

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

He, Yuanjun’s team published research in Bioorganic & Medicinal Chemistry Letters in 2014-01-01 | 936250-20-3

Bioorganic & Medicinal Chemistry Letters published new progress about Homo sapiens. 936250-20-3 belongs to class pyrazoles-derivatives, and the molecular formula is C10H17BN2O2, Computed Properties of 936250-20-3.

He, Yuanjun; Duckett, Derek; Chen, Weimin; Ling, Yuan Yuan; Cameron, Michael D.; Lin, Li; Ruiz, Claudia H.; LoGrasso, Philip V.; Kamenecka, Theodore M.; Koenig, Marcel published the artcile< Synthesis and SAR of novel isoxazoles as potent c-jun N-terminal kinase (JNK) inhibitors>, Computed Properties of 936250-20-3, the main research area is pyridylisoxazole preparation JNK inhibitor SAR selectivity p38; Isoxazole; JNK; Kinase; c-Jun.

The design and synthesis of isoxazole I is described, a potent JNK inhibitor with two fold selectivity over p38. Optimization of this scaffold led to compounds II and III which showed greatly improved selectivity over p38 by maintaining the JNK3 potency of compound I. Extensive SAR studies will be described as well as preliminary in vivo data of the two lead compounds

Bioorganic & Medicinal Chemistry Letters published new progress about Homo sapiens. 936250-20-3 belongs to class pyrazoles-derivatives, and the molecular formula is C10H17BN2O2, Computed Properties of 936250-20-3.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Marin-Luna, Marta’s team published research in Solid State Nuclear Magnetic Resonance in 2020-08-31 | 13808-65-6

Solid State Nuclear Magnetic Resonance published new progress about Azoles Role: PRP (Properties). 13808-65-6 belongs to class pyrazoles-derivatives, and the molecular formula is C9H7BrN2, HPLC of Formula: 13808-65-6.

Marin-Luna, Marta; Claramunt, Rosa M.; Lopez, Concepcion; Perez-Torralba, Marta; Sanz, Dionisia; Reviriego, Felipe; Alkorta, Ibon; Elguero, Jose published the artcile< A GIPAW versus GIAO-ZORA-SO study of 13C and 15N CPMAS NMR chemical shifts of aromatic and heterocyclic bromo derivatives>, HPLC of Formula: 13808-65-6, the main research area is bromo heterocycle CPMAS NMR chem shift shielding IR spectra; GIAO; GIPAW; HALA; Heterocyclic compounds; NMR crystallography; ZORA.

We reported herein the theor. characterization of 13C and 15N CPMAS NMR of known bromo-derivative crystals by using both the GIPAW and the combined GIAO-ZORA-SO approximation methods. Several statistical analyses were performed to compare both approaches, with non-relativistic GIPAW method being more useful to predict the 13C and 15N chem. shifts. The problem of applying GIPAW to crystal structures showing static or dynamic crystalline disorder of the special class resulting in half-protons will be discussed in detail.

Solid State Nuclear Magnetic Resonance published new progress about Azoles Role: PRP (Properties). 13808-65-6 belongs to class pyrazoles-derivatives, and the molecular formula is C9H7BrN2, HPLC of Formula: 13808-65-6.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Kline, Mike’s team published research in Magnetic Resonance in Chemistry in 2003-05-31 | 118430-74-3

Magnetic Resonance in Chemistry published new progress about Amines Role: PRP (Properties). 118430-74-3 belongs to class pyrazoles-derivatives, and the molecular formula is C7H11N3, Name: 3-Cyclopropyl-1-methyl-1H-pyrazol-5-amine.

Kline, Mike; Cheatham, Steve published the artcile< A robust method for determining 1H-15N long-range correlations: 15N optimized CIGAR-HMBC experiments>, Name: 3-Cyclopropyl-1-methyl-1H-pyrazol-5-amine, the main research area is amine hydrogen nitrogen optimized CIGAR HMBC; nitrogen heterocycle optimized CIGAR HMBC.

An examination of a variety of common N-containing systems was undertaken to optimize parameters for observation of 1H-15N long-range correlations. Because of the diversity of coupling constants encountered with 1H-15N correlations, a modified accordion-based sequence was used to provide the best results. Optimization of the values for the accordion delay revealed that a range between 3 and 10 Hz provided the best compromise between detection of weak correlations and loss of signal to T2 processes. Multiple bond correlations were readily detected for each class of compound with the exception of anilines. Correlations within heterocyclic systems revealed some general patterns. In general, stronger correlations were observed from protons to pyrrole-like nitrogens than to the pyridine-type nitrogens of imidazoles and pyrazoles. Very long-range (four- and five-bond) correlations were routinely observed between Me groups and the nitrogens of aromatic heterocycles.

Magnetic Resonance in Chemistry published new progress about Amines Role: PRP (Properties). 118430-74-3 belongs to class pyrazoles-derivatives, and the molecular formula is C7H11N3, Name: 3-Cyclopropyl-1-methyl-1H-pyrazol-5-amine.

Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics