Tag: 100-200

Hydrogen and carbon NMR data for aminoquinolines and aminoisoquinolines was written by Kook, Alan M.;Smith, Stanford L.;Brown, Ellis V.. And the article was included in Organic Magnetic Resonance in 1984.Related Products of 23707-37-1 This article mentions the following:

Assignment of the ¹H and ¹³C chem. shifts in the title spectra were made from homo- and heteronuclear coupled and decoupled spectra, selective homo- and heteronuclear decoupling experiments, spin simulations and iterations by LAOCOON3 and, in some cases, changing the solvent to CDCl₃. In the experiment, the researchers used many compounds, for example, Isoquinolin-7-amine (cas: 23707-37-1Related Products of 23707-37-1).

Isoquinolin-7-amine (cas: 23707-37-1) belongs to isoquinoline derivatives. Although isoquinoline derivatives can be synthesized by several methods, relatively few direct methods deliver the unsubstituted isoquinoline. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Related Products of 23707-37-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Design, synthesis, and structure-activity relationship studies of conformationally restricted mutilin 14-carbamates was written by Fu, Liqiang;Liu, Xin;Ling, Chenyu;Cheng, Jianjun;Guo, Xingsheng;He, Huili;Ding, Shi;Yang, Yushe. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2012.Electric Literature of C9H8N2O3 This article mentions the following:

We report herein the design, synthesis, and structure-activity relationship studies of conformationally restricted mutilin 14-carbamates based on the structure of SB-222734. For example, reacting benzoates I (R¹ = H, MeO, NO₂, R² = H, F, NO₂, R⁹ = H) with N-bromosuccinimide gave the brominated compounds I (R⁹ = Br), which cyclized to give isoindolinones II. II were then coupled with 4-epi-mutilin 14-chloroformate III and treated with a saturated solution of ZnCl₂ in concentrated HCl resulting in a reverse 1,5-hydride shift to afford desired products IV. The antibacterial activities of these newly synthesized compounds were also evaluated and compared with linezolid and retapamulin. Results showed that most of the target compounds exhibit good potency in inhibiting the growth of Gram-pos. bacteria including Methicillin-susceptible Staphylococcus aureus MSSA (MIC: 0.0625-2 μg/mL), Methicillin-resistant S. aureus MRSA (MIC: 0.0625-2 μg/mL), Methicillin-susceptible Staphylococcus epidermidis MSSE (MIC: 0.0625-2 μg/mL), Methicillin-resistant S. epidermidis MRSE (MIC: 0.0625-2 μg/mL), and Streptococcus pneumonia (MIC: 0.0625-4 μg/mL). In particular, three remarkable compounds of this series IV (R¹ = NH₂, R² = H; R¹ = H, R² = NH₂) and isoquinolinyl derivative V exhibited comparable in vitro antibacterial profiles to that of retapamulin. In the experiment, the researchers used many compounds, for example, 7-Nitro-3,4-dihydroisoquinolin-1(2H)-one (cas: 22245-96-1Electric Literature of C9H8N2O3).

7-Nitro-3,4-dihydroisoquinolin-1(2H)-one (cas: 22245-96-1) 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. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Electric Literature of C9H8N2O3

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Synthesis, optical resolution, absolute configuration, and preliminary pharmacology of (+)- and (-)-cis-2,3,3a,4,5,9b-hexahydro-1-methyl-1H-pyrrolo[3,2-h]isoquinoline, a structural analog of nicotine was written by Glassco, William;Suchocki, John;George, Clifford;Martin, Billy R.;May, Everette L.. And the article was included in Journal of Medicinal Chemistry in 1993.Related Products of 135311-97-6 This article mentions the following:

Title compound, I, was prepared from isoquinoline, and separated into its antipodes with D– and L-di-p-toluoyltartaric acids. These bridged nicotine analogs either are binding to an as-yet-unidentified nicotinic receptor or they represent a novel class of nonnicotinic analgesics. However, (+)-I failed to compete for [³H]-nicotine binding, and its pharmacol. effects were not blocked by mecamylamine. Isomer (+)-I has the 3aR,9bS configuration, the latter corresponding to (S)-(-)-nicotine as determined by x-ray crystallog. Compound (-)-I was one fourth as potent. The most potent compound, (+)-I, had an ED₅₀ of 7.13 μmol/kg for inhibition of spontaneous activity and 7.45 μmol/kg for antinociception compared to 4.44 and 4.81 μmol/kg, resp., for (S)-(-)-nicotine. These antipodes and the racemic precursor were evaluated in in vivo systems for their effects. These bridged nicotine analogs either are binding to an as-yet-unidentified nicotinic receptor or they represent a novel class of nonnicotinic analgesics. In the experiment, the researchers used many compounds, for example, 6,7-Dihydroisoquinolin-8(5H)-one hydrochloride (cas: 135311-97-6Related Products of 135311-97-6).

6,7-Dihydroisoquinolin-8(5H)-one hydrochloride (cas: 135311-97-6) 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. Most traditional methods of generating isoquinoline do so via oxidative aromatization of dihydro- or tetrahydro-isoquinolines, usually offering some environmental or economic advantage.Related Products of 135311-97-6

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Selective covalent targeting of SARS-CoV-2 main protease by enantiopure chlorofluoroacetamide was written by Yamane, Daiki;Onitsuka, Satsuki;Re, Suyong;Isogai, Hikaru;Hamada, Rui;Hiramoto, Tadanari;Kawanishi, Eiji;Mizuguchi, Kenji;Shindo, Naoya;Ojida, Akio. And the article was included in Chemical Science in 2022.Formula: C9H8N2 This article mentions the following:

An irreversible SARS-CoV-2 M^pro inhibitor possesseschlorofluoroacetamide (CFA) as a warhead for the covalent modification of M^pro. Ugi multicomponent reaction using chlorofluoroacetic acid enabled the rapid synthesis of dipeptidic CFA derivatives RC(O)N(C₆H₅R¹)CH(R²)C(O)NHR³ (R = Ac, ethenyl, difluoroacetyl, furan-2-yl; R¹ = i-Pr, t-Bu, 1-methylcyclohexyl, etc.; R² = pyridin-3-yl, pyridazin-4-yl, pyridazin-3-yl, etc.; R³ = t-Bu, isoquinolin-7-yl, 2-(3-fluorophenyl)ethyl, etc.) that identified (SR)/(RR)/(RS)(SS)-2-chloro-2-fluoro-N-(2-[(3-fluorophenethyl)amino]-2-oxo-1-(pyrimidin-5-yl)ethyl)-N-[4-(pentafluoro-lmbda6-sulfaneyl)phenyl]acetamide as a potent inhibitor of SARS-CoV-2 M^pro. Among the four stereoisomers, (R)-2-chloro-2-fluoro-N-((R)-2-[(3-fluorophenethyl)amino]-2-oxo-1-(pyrimidin-5-yl)ethyl)-N-[4-(pentafluoro-lamda6-sulfaneyl)phenyl]acetamide exhibited a markedly higher inhibitory activity against M^pro than the other isomers. Reaction kinetics and computational docking studies suggest that the R configuration of the CFA warhead is crucial for the rapid covalent inhibition of M^pro. These findings highlight the prominent influence of the CFA chirality on the covalent modification of proteinous cysteines and provide the basis for improving the potency and selectivity of CFA-based covalent inhibitors. In the experiment, the researchers used many compounds, for example, Isoquinolin-7-amine (cas: 23707-37-1Formula: C9H8N2).

Isoquinolin-7-amine (cas: 23707-37-1) belongs to isoquinoline derivatives. The isoquinoline structure occurs in a considerable number of alkaloids in widely separated plant families. They are also used to make oil-soluble dyes, food colorants, pharmaceuticals, pH indicators and other organic compounds. Formula: C9H8N2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

1,2,4-Triazole-3-Thione Analogues with a 2-Ethylbenzoic Acid at Position 4 as VIM-type Metallo-β-Lactamase Inhibitors was written by Verdirosa, Federica;Gavara, Laurent;Sevaille, Laurent;Tassone, Giusy;Corsica, Giuseppina;Legru, Alice;Feller, Georges;Chelini, Giulia;Mercuri, Paola Sandra;Tanfoni, Silvia;Sannio, Filomena;Benvenuti, Manuela;Cerboni, Giulia;De Luca, Filomena;Bouajila, Ezeddine;Vo Hoang, Yen;Licznar-Fajardo, Patricia;Galleni, Moreno;Pozzi, Cecilia;Mangani, Stefano;Docquier, Jean-Denis;Hernandez, Jean-Francois. And the article was included in ChemMedChem in 2022.Synthetic Route of C9H8N2O3 This article mentions the following:

Metallo-β-lactamases (MBLs) are increasingly involved as a major mechanism of resistance to carbapenems in relevant opportunistic Gram-neg. pathogens. Unfortunately, clin. efficient MBL inhibitors still represent an unmet medical need. We previously reported several series of compounds based on the 1,2,4-triazole-3-thione scaffold. In particular, Schiff bases formed between diversely 5-substituted-4-amino compounds and 2-carboxybenzaldehyde were broad-spectrum inhibitors of VIM-type, NDM-1 and IMP-1 MBLs. Unfortunately, these compounds were unable to restore antibiotic susceptibility of MBL-producing bacteria, probably because of poor penetration and/or susceptibility to hydrolysis. To improve their microbiol. activity, we synthesized and characterized compounds where the hydrazone-like bond of the Schiff base analogs was replaced by a stable Et link. This small change resulted in a narrower inhibition spectrum, as all compounds were poorly or not inhibiting NDM-1 and IMP-1, but showed a significantly better activity on VIM-type enzymes, with Ki values in the μM to sub-μM range. The resolution of the crystallog. structure of VIM-2 in complex with one of the best inhibitors yielded valuable information about their binding mode. Interestingly, several compounds were shown to restore the β-lactam susceptibility of VIM-type-producing E. coli laboratory strains and also of K. pneumoniae clin. isolates. In addition, selected compounds were found to be devoid of toxicity toward human cancer cells at high concentration, thus showing promising safety. In the experiment, the researchers used many compounds, for example, 7-Nitro-3,4-dihydroisoquinolin-1(2H)-one (cas: 22245-96-1Synthetic Route of C9H8N2O3).

7-Nitro-3,4-dihydroisoquinolin-1(2H)-one (cas: 22245-96-1) belongs to isoquinoline derivatives. Although isoquinoline derivatives can be synthesized by several methods, relatively few direct methods deliver the unsubstituted isoquinoline. 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.Synthetic Route of C9H8N2O3

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

N-Tetrahydroquinolinyl, N-quinolinyl and N-isoquinolinyl biaryl carboxamides as antagonists of TRPV1 was written by Westaway, Susan M.;Chung, Ying-Kit;Davis, John B.;Holland, Vicky;Jerman, Jeffrey C.;Medhurst, Stephen J.;Rami, Harshad K.;Stemp, Geoffrey;Stevens, Alexander J.;Thompson, Mervyn;Winborn, Kim Y.;Wright, James. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2006.Formula: C9H8N2 This article mentions the following:

Starting from a high throughput screening hit, novel N-tetrahydroquinolinyl, N-quinolinyl and N-isoquinolinyl carboxamides have been identified as potent antagonists of the ion channel TRPV1. The N-quinolinylnicotinamide I showed excellent potency at human, guinea pig and rat TRPV1, a favorable in vitro DMPK profile and activity in an in vivo model of inflammatory pain. In the experiment, the researchers used many compounds, for example, Isoquinolin-7-amine (cas: 23707-37-1Formula: C9H8N2).

Isoquinolin-7-amine (cas: 23707-37-1) belongs to isoquinoline derivatives. Quinoline and isoquinoline skeletons are among the most attractive frameworks with a wide range of biological and pharmacological activities. Most traditional methods of generating isoquinoline do so via oxidative aromatization of dihydro- or tetrahydro-isoquinolines, usually offering some environmental or economic advantage.Formula: C9H8N2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Organic acid catalysed Minisci-type arylation of heterocycles with aryl acyl peroxides was written by Ouyang, Yani;Yue, Xiaoguang;Peng, Jiehai;Zhu, Jiashun;Shen, Qiuyuan;Li, Wanmei. And the article was included in Organic & Biomolecular Chemistry in 2022.Computed Properties of C10H9NO This article mentions the following:

A metal-free method for the Minisci-type arylation of heterocycles with aryl acyl peroxides has been reported. This strategy enables the rapid and simple synthesis of a series of Minisci-type adducts from com. available starting materials without metal catalysts. A free-radical-pathway mechanism is suggested for this transformation. In the experiment, the researchers used many compounds, for example, 4-Methoxyisoquinoline (cas: 36034-54-5Computed Properties of C10H9NO).

4-Methoxyisoquinoline (cas: 36034-54-5) belongs to isoquinoline derivatives. The isoquinoline structure occurs in a considerable number of alkaloids in widely separated plant families. Lewis acid activation and nucleophilic attack can produce multiple regioisomers in quinolines and pyridines; isoquinolines generally only undergo attack at the 1-position.Computed Properties of C10H9NO

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Visible Light-Promoted Aliphatic C-H Arylation Using Selectfluor as a Hydrogen Atom Transfer Reagent was written by Zhao, Hong;Jin, Jian. And the article was included in Organic Letters in 2019.Computed Properties of C10H9NO This article mentions the following:

A mild, practical method for direct arylation of unactivated C(sp³)-H bonds with heteroarenes has been achieved via photochem. Selectfluor is used as a hydrogen atom transfer reagent under visible light irradiation A diverse range of chem. feedstocks, such as alkanes, ketones, esters, and ethers, and complex mols. readily undergo intermol. C(sp³)-C(sp²) bond formation. Moreover, a broad array of heteroarenes, including pharmaceutically useful scaffolds, can be alkylated effectively by the protocol presented here. In the experiment, the researchers used many compounds, for example, 4-Methoxyisoquinoline (cas: 36034-54-5Computed Properties of C10H9NO).

4-Methoxyisoquinoline (cas: 36034-54-5) 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.Computed Properties of C10H9NO

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Dopamine autoreceptor agonists as potential antipsychotics. 3. 6-Propyl-4,5,5a,6,7,8-hexahydrothiazolo[4,5-f]quinolin-2-amine was written by Caprathe, Bradley W.;Jaen, Juan C.;Wise, Lawrence D.;Heffner, Thomas G.;Pugsley, Thomas A.;Meltzer, Leonard T.;Parvez, Masood. And the article was included in Journal of Medicinal Chemistry in 1991.Synthetic Route of C9H10ClNO This article mentions the following:

A series of rigid tricyclic analogs of the dopamine (DA) agonist 4-(1,2,5,6-tetrahydro-1-propyl-3-pyridinyl)-2-thiazolamine was synthesized and evaluated for dopaminergic activity and DA autoreceptor selectivity. (R)-(+)-6-Propyl-4,5,5a,6,7,8-hexahydrothiazolo[4,5-f]quinolin-2-amine [(+)-I] was identified as the most selective DA autoreceptor agonist from this group of compounds It inhibited spontaneous locomotor activity (LMA) in rodents, reversed the γ-butyrolactone induced accumulation of rat striatal DOPA and inhibited brain DA neuronal firing, all suggestive of direct DA autoreceptor agonist activity. However, (+)-I is not completely free of postsynaptic DA activity, as evidenced by its stimulation of LMA in rats at high doses and its ability to produce stereotypy. On the other hand, (-)-I appears to be a weak partial DA agonist with some effects on brain DA synthesis only at high doses. Like other DA autoreceptor agonists and DA antagonists, (+)-I inhibited Sidman conditioned avoidance in squirrel monkeys, a test predictive of clin. antipsychotic activity. However, unlike classical antipsychotics, (+)-I did not induce dystonias in haloperidol-sensitized squirrel monkeys, suggesting a minimal propensity toward extrapyramidal side effects. In the experiment, the researchers used many compounds, for example, 6,7-Dihydroisoquinolin-8(5H)-one hydrochloride (cas: 135311-97-6Synthetic Route of C9H10ClNO).

6,7-Dihydroisoquinolin-8(5H)-one hydrochloride (cas: 135311-97-6) belongs to isoquinoline derivatives. The isoquinoline structure occurs in a considerable number of alkaloids in widely separated plant families. Most traditional methods of generating isoquinoline do so via oxidative aromatization of dihydro- or tetrahydro-isoquinolines, usually offering some environmental or economic advantage.Synthetic Route of C9H10ClNO

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

The relative reactivities of the seven nuclear positions of isoquinoline to free-radical phenylation was written by Dyall, Leonard K.;Pullin, Christopher J.. And the article was included in Australian Journal of Chemistry in 1979.Electric Literature of C9H8N2 This article mentions the following:

The reactivities of isoquinoline positions toward radical phenylation via photolysis of PhTl(OCOCF₃)₂ or the reaction of pentyl nitrite with PhNH₂ decreased in the order 1 > 5 > 8 > 4 > 3 â‰?6 â‰?7. Eight incorrect orders have been previously predicted theor. In the experiment, the researchers used many compounds, for example, Isoquinolin-7-amine (cas: 23707-37-1Electric Literature of C9H8N2).

Isoquinolin-7-amine (cas: 23707-37-1) belongs to isoquinoline derivatives. Quinoline is a mancude organic heterobicyclic parent, an azaarene, an ortho-fused heteroarene and a member of isoquinolines. Lewis acid activation and nucleophilic attack can produce multiple regioisomers in quinolines and pyridines; isoquinolines generally only undergo attack at the 1-position.Electric Literature of C9H8N2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem