Category: isoquinoline

Comparative QSTR studies for predicting mutagenicity of nitro compounds was written by Nair, Pramod C.;Sobhia, M. Elizabeth. And the article was included in Journal of Molecular Graphics & Modelling in 2008.Recommanded Product: 5-Nitroisoquinoline This article mentions the following:

Mutagenicity and carcinogenicity are toxicol. endpoints which pose a great concern being the major determinants of cancers and tumors. Nitroarenes possess genotoxic properties as they can form various electrophilic intermediates and adducts with biol. systems. Different QSTR techniques were employed to develop models for the prediction of mutagenicity of nitroarenes using a diverse set of 197 nitro aromatic and hetero aromatic mols. The 2D and 3D QSTR methods used for model development gave statistically significant results. The alignment for 3D methods was obtained by maximum common substructures (MCS) approach, by taking the most mutagenic mol. of the dataset as the template. All the QSTR models were developed with the same set of training and test set mols. The 3D contours and 2D contribution maps along with mol. fingerprints provide useful information about the mutagenic potentials of the mols. The GFA based model shows thermodn. and topol. descriptors play an important role in characterizing mutagenicity of nitroarenes. At.-level thermodn. descriptor namely AlogP throws light on hydrophobic features and helps to understand the bilinear model. Topol. aspects of these classes of compounds were depicted by the fragment fingerprints and Balaban indexes obtained from HQSAR and GFA models, resp. The predictive abilities of 2D and 3D QSTR models may be useful as a vibrant predictive tool to screen out mutagenic nitroarenes and design safer non-mutagenic nitro compounds In the experiment, the researchers used many compounds, for example, 5-Nitroisoquinoline (cas: 607-32-9Recommanded Product: 5-Nitroisoquinoline).

5-Nitroisoquinoline (cas: 607-32-9) belongs to isoquinoline derivatives. Although isoquinoline derivatives can be synthesized by several methods, relatively few direct methods deliver the unsubstituted isoquinoline. It protonates to form salts upon treatment with strong acids, such as HCl. It forms adducts with Lewis acids, such as BF3.Recommanded Product: 5-Nitroisoquinoline

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Palladium-catalyzed tandem C,N-arylation of immobilized enamine for solid phase indole synthesis was written by Yamazaki, Kazuo;Nakamura, Yosuke;Kondo, Yoshinori. And the article was included in Journal of the Chemical Society, Perkin Transactions 1 in 2002.Product Details of 27104-73-0 This article mentions the following:

Intramol. palladium-catalyzed N-arylation of immobilized dehydrohalophenylalaninate was found to proceed smoothly to form indolecarboxylates. The method was successfully combined with the Heck reaction to perform one pot indole synthesis via palladium-catalyzed tandem C,N-arylation reactions. In the experiment, the researchers used many compounds, for example, Methyl isoquinoline-3-carboxylate (cas: 27104-73-0Product Details of 27104-73-0).

Methyl isoquinoline-3-carboxylate (cas: 27104-73-0) belongs to isoquinoline derivatives. Quinoline is a mancude organic heterobicyclic parent, an azaarene, an ortho-fused heteroarene and a member of isoquinolines. Isoquinoline-type alkaloids show biological activities similar to those of morphinane-, protoberberine-, and benzophenanthridine-type alkaloids.Product Details of 27104-73-0

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Simultaneous screening of 21 potential adulterants in dietary supplements for the treatment of prostate diseases using ultra-performance liquid chromatography and liquid chromatography-electrospray ionization-tandem mass spectrometry was written by Kim, Nam Sook;Choi, Hwan Seong;Lim, Na Young;Kim, Hyungil;Baek, Sun Young. And the article was included in Journal of Separation Science in 2022.SDS of cas: 242478-37-1 This article mentions the following:

Reports of the number of adulteration cases using illegal therapeutic substances in dietary supplements have increased. In recent years, various dietary supplements are being distributed that exaggerate the efficacy of treatment for prostate-related diseases. To develop the preemptive monitoring method, we selected 21 prostate-related therapeutic substances and optimized the simultaneous ultra-performance liquid chromatog. and liquid chromatog.-electrospray ionization-tandem mass spectrometry and pretreatment procedures for various types of matrixes including solid, liquid, and soft capsule samples. The methods were validated by determining the specificity, linearity, limit of detection, limit of quantification, method detection limit, method quantitation limit, precision, accuracy, recovery, stability, and matrix effect. The simultaneous methods were validated according to the international guidelines. In addition, using the validated methods, 81 real samples, which were searched and purchased by focusing on promotional phrases, such as prostate and prostatic hyperplasia, were successfully screened. As a result, sildenafil and tadalafil were detected in one seized capsule sample (5.15 and 14.6 mg/g, resp.). Synthetically, our approach could be useful for the determination of illegal therapeutic substances potentially adulterated in various types of dietary supplements. In the experiment, the researchers used many compounds, for example, (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1SDS of cas: 242478-37-1).

(S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1) belongs to isoquinoline derivatives. Quinoline and its derivatives are widely used as fungicides, biological agents, antibiotics, alkaloids, dyes, rubber chemicals and flavoring agents. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.SDS of cas: 242478-37-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Metal-free photo-induced heteroarylations of C-H and C-C bonds of alcohols by flow chemistry was written by Cao, Zhu;Ji, Meishan;Wang, Xinxin;Wu, Xinxin;Li, Yahong;Zhu, Chen. And the article was included in Green Chemistry.Related Products of 27104-73-0 This article mentions the following:

Practical, metal-free heteroarylations of C-H and C-C bonds of unprotected aliphatic alcs. ROH (R = 5-hydroxypentan-2-yl, 6-hydroxyhexan-3-yl, 5-hydroxy-2-methylpentan-2-yl, etc.) are accomplished in a ′stop-flow′ micro-tubing reactor. The reactions proceed through alkoxy radical-triggered hydrogen atom transfer and β-C(sp³)-C(sp³) bond rupture under mild photochem. conditions, leading to a plethora of valuable functionalized heteroarenes ArR (Ar = 4-chloroquinolin-2-yl, 4-methylquinolin-2-yl, quinazolin-4-yl, etc.). The reaction is amenable for late-stage functionalization of complex heteroarenes, and can be readily scaled up by a continuous-flow method. The protocol features many advantages including good regioselectivity, broad functional group compatibility, and easy operation, and may find potential use in medicinal chem. In the experiment, the researchers used many compounds, for example, Methyl isoquinoline-3-carboxylate (cas: 27104-73-0Related Products of 27104-73-0).

Methyl isoquinoline-3-carboxylate (cas: 27104-73-0) belongs to isoquinoline derivatives. Isoquinoline is a structural isomer of quinoline, which have antiseptic, antipyretic and anti-cyclic properties, and can be used as antimalarial drugs and for the preparation of other antimalarial medicine. It protonates to form salts upon treatment with strong acids, such as HCl. It forms adducts with Lewis acids, such as BF3.Related Products of 27104-73-0

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Experimental and theoretical study on free 5-nitroquinoline, 5-nitroisoquinoline, and their zinc(II) halide complexes was written by Yurdakul, Senay;Badoglu, Serdar;Gulesci, Yeliz. And the article was included in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy in 2015.Application of 607-32-9 This article mentions the following:

In this study where the interpretations of the exptl. IR and Raman spectra recorded at room temperature for the ligands 5-nitroquinoline (5NQ) and 5-nitroisoquinoline (5NIQ) and also for their Zn(II) halide (halogen: chlorine, bromine, iodine) complexes were first reported, the assignments of the observed fundamental bands were achieved in the light of the vibrational spectral data and total energy distribution (TED) values calculated at B3LYP/6-311++G(d,p) and B3LYP/LANL2DZ levels of theory. The equilibrium geometrical parameters, Natural Bond Orbital (NBO) charges and frontier orbital (HOMO, LUMO) energies of these mol. structures were also calculated at the same level of theory. Comparisons over the corresponding exptl. and theor. data obtained for the title ligands and their complexes revealed that in complex form both ligands bond to Zn(II) ion through their ring nitrogen atoms and NO₂ groups at the same time. In the experiment, the researchers used many compounds, for example, 5-Nitroisoquinoline (cas: 607-32-9Application of 607-32-9).

5-Nitroisoquinoline (cas: 607-32-9) belongs to isoquinoline derivatives. Isoquinoline is a structural isomer of quinoline, which have antiseptic, antipyretic and anti-cyclic properties, and can be used as antimalarial drugs and for the preparation of other antimalarial medicine. The Pomeranz–Fritsch reaction provides a method for the preparation of isoquinoline. This reaction uses a benzaldehyde and aminoacetoaldehyde diethyl acetal, which in an acid medium react to form isoquinoline.Application of 607-32-9

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Potential drug-drug interactions in COVID 19 patients in treatment with lopinavir/ritonavir was written by Brandariz-Nunez, David;Correas-Sanahuja, Marcelo;Guarc, Eva;Picon, Rafael;Garcia, Barbara;Gil, Rocio. And the article was included in Medicina Clinica in 2020.Recommanded Product: 242478-37-1 This article mentions the following:

Our objective was to determine thee prevalence of potential interactions in COVID-19 patients receiving lopi-navir/ritonavir(LPV/r). The secondary objective was to develop recommendations and identify the risk factors associated with presenting potential interactions with LPV/r.Cross-sectional and multicenter study with the participation of 2 hospitals. A cross-sectional and multicenter study with the participation of 2 hospitals was performed. COVID-19 patients over 18 years of age, admitted to hospital and under treatment with LPV/r were included. A screening of potential interactions related to LPV/r and home and hospital medication was carried out. Lexicomp (Uptodate), HIV-drug interactions and COVID-drug interactions were used as the query database. The study included 361 patients with a mean age of 62.77 ± 14.64 years where 59.6% (n = 215) were men. 62.3% (n = 225) had 1 or more potential interactions and 26, 87% (n = 97) 2 or more. The independent variables associated with presenting ≥1 potential interactions were age (> 65) (OR 1.95; 95% CI 1.06-3.59, P =.033), ICU admission (OR 9.22; CI 95% 1.98-42.93; P =.005), previous respiratory pathol. (OR 2.90; 95% CI 1.15-7.36; P =.024), psychiatric (OR 4.14; 95 CI % 1.36-12.61; P =.013), dyslipidemia (OR 3.21; 95% CI 1.63-6.35; P =.001) and the number of drugs prescribed (OR 4.33; 95% CI 2.40-7.81; P =.000). The prevalence of potential interactions in COVID-19 patients undergoing treatment with LPV/r is high, with age (> 65), ICU admission, previous respiratory and psychiatric pathol., dyslipidemia and the number of prescribed drugs acting as risk factors. In the experiment, the researchers used many compounds, for example, (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1Recommanded Product: 242478-37-1).

(S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1) belongs to isoquinoline derivatives. Quinoline is a catabolite of tryptophan, the basic structure of some antihypertensive drugs, such as the peripheral vasodilators prazosin and doxazosin. The discovery of chloroquine, the most well-known drug containing this stent, has helped bring about decades of malaria control and treatment.Recommanded Product: 242478-37-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Asymmetric 1,4-Michael Addition in Aqueous Medium Using Hydrophobic Chiral Organocatalysts was written by Mahato, Chandan K.;Mukherjee, Sayan;Kundu, Mrinalkanti;Vallapure, Virbhadra P.;Pramanik, Animesh. And the article was included in Journal of Organic Chemistry in 2021.Computed Properties of C9H7NO This article mentions the following:

Organic transformations exclusively in water as an environmentally friendly and safe medium have drawn significant interest in the recent years. Moreover, transition metal-free synthesis of enantiopure mols. in water will have a great deal of attention as the system will mimic the natural enzymic reactions. In this work, a new set of proline-derived hydrophobic organocatalysts have been synthesized and utilized for asym. Michael reactions in water as the sole reaction medium. Among the various catalysts screened, the catalyst 1 is indeed efficient for stereoselective 1,4-conjugated Michael additions (dr: >97:3, ee up to >99.9%) resulting in high chem. yields (up to 95%) in a very short reaction time (1 h) at room temperature This methodol. provides a robust, green, and convenient protocol and can thus be an important addition to the arsenal of the asym. Michael addition reaction. Upon successful implementation, the present strategy also led to the formation of an optically active octahydroindole, the key component found in many natural products. In the experiment, the researchers used many compounds, for example, 1-Hydroxyisoquinoline (cas: 491-30-5Computed Properties of C9H7NO).

1-Hydroxyisoquinoline (cas: 491-30-5) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. The discovery of chloroquine, the most well-known drug containing this stent, has helped bring about decades of malaria control and treatment.Computed Properties of C9H7NO

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

A Chiral Phenanthroline Ligand with a Hydrogen-Bonding Site: Application to the Enantioselective Amination of Methylene Groups was written by Annapureddy, Rajasekar Reddy;Jandl, Christian;Bach, Thorsten. And the article was included in Journal of the American Chemical Society in 2020.Safety of 1-Hydroxyisoquinoline This article mentions the following:

A silver-catalyzed amination was reported that occurred at the aliphatic C3-substituent of various quinolones and pyridones. The C-H amination reaction proceeded with high site- and enantioselectivity (14 examples, 83-97% ee). The key to its success was the use of a chiral phenanthroline ligand that is attached via an ethynyl linker to the 8-position of octahydro-1H-4,7-methanoisoindol-1-one. AgPF₆ (10 mol %) served as the silver source, PhI=NNs as the nitrene precursor and 1,10-phenanthroline as the co-ligand. The reaction outcome can be understood by assuming a nitrene C-H insertion within a hydrogen-bonded silver complex in which a single C-H bond was exposed to the catalytic reaction center. In the experiment, the researchers used many compounds, for example, 1-Hydroxyisoquinoline (cas: 491-30-5Safety of 1-Hydroxyisoquinoline).

1-Hydroxyisoquinoline (cas: 491-30-5) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. The Pomeranz–Fritsch reaction provides a method for the preparation of isoquinoline. This reaction uses a benzaldehyde and aminoacetoaldehyde diethyl acetal, which in an acid medium react to form isoquinoline.Safety of 1-Hydroxyisoquinoline

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Development of novel 1,2,3,4-tetrahydroisoquinoline derivatives and closely related compounds as potent and selective dopamine D₃ receptor ligands was written by Mach, Ulrich R.;Hackling, Anneke E.;Perachon, Sylvie;Ferry, Sandrine;Wermuth, Camille G.;Schwartz, Jean-Charles;Sokoloff, Pierre;Stark, Holger. And the article was included in ChemBioChem in 2004.SDS of cas: 52250-50-7 This article mentions the following:

Based on N-alkylated 1,2,3,4-tetrahydroisoquinoline derivatives which are structurally related to the partial agonist BP 897, a series of novel, selective dopamine D₃ receptor antagonists has been synthesized. Derivatization included changes in the arylamide moiety and the tetrahydroisoquinoline substructure leading to compounds with markedly improved selectivities and affinities in the low nanomolar concentration range. From the 55 structures presented here, (E)-3-(4-iodophenyl)-N-(4-(1,2,3,4-tetrahydroisoquinolin-2-yl)butyl)acrylamide (51) has high affinity (K_i(hD₃) = 12 nM) and a 123-fold preference for the D₃ receptor relative to the D₂ receptor subtype. Its pharmacol. profile offers the prospect of a novel radioligand as a tool for various dopamine D₃-receptor-related in vitro and in vivo investigations. In the experiment, the researchers used many compounds, for example, 1-Phenyl-3,4-dihydroisoquinoline (cas: 52250-50-7SDS of cas: 52250-50-7).

1-Phenyl-3,4-dihydroisoquinoline (cas: 52250-50-7) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. The discovery of chloroquine, the most well-known drug containing this stent, has helped bring about decades of malaria control and treatment.SDS of cas: 52250-50-7

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Synthesis and antifilarial profile of 5-amino and 5,8-diamino isoquinoline derivatives: a new class of antifilarial agents was written by Srivastava, Sanjay K.;Chauhan, P. M. S.;Agarwal, S. K.;Bhaduri, A. P.;Singh, S. N.;Fatma, Nigar;Chatterjee, R. K.;Bose, Chhanda;Srivastava, V. M. L.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 1996.COA of Formula: C9H5BrN2O2 This article mentions the following:

The syntheses of 5-amino and 5,8-diamino isoquinoline derivatives, their antifilarial activity and their effect on metabolic activities of filaricidal are delineated. Some of the screened compounds have shown promising filaricidal response against Acanthocheilonema viteae in rodents. In the experiment, the researchers used many compounds, for example, 5-Bromo-8-nitroisoquinoline (cas: 63927-23-1COA of Formula: C9H5BrN2O2).

5-Bromo-8-nitroisoquinoline (cas: 63927-23-1) belongs to isoquinoline derivatives. Although isoquinoline derivatives can be synthesized by several methods, relatively few direct methods deliver the unsubstituted isoquinoline. Lewis acid activation and nucleophilic attack can produce multiple regioisomers in quinolines and pyridines; isoquinolines generally only undergo attack at the 1-position.COA of Formula: C9H5BrN2O2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem