Category: isoquinoline

Clinical Investigation of Fasudil for the Prevention of Cerebral Vasospasm in Extracranial Carotid Artery Stenting was written by Liu, Juan;Yao, Guo-en;Zhou, Hua-dong;Jiang, Xiao-jiang;Xie, Peng. And the article was included in Cell Biochemistry and Biophysics in 2014.Name: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride This article mentions the following:

To evaluate fasudil hydrochloride for the prevention of cerebral vasospasm (CVS) in extra-cranial carotid angioplasty and stenting (CAS). We retrospectively analyzed 178 patients with unilateral CAS who were given i.v. fasudil hydrochloride during the perioperative period. CVS, hypotension, stroke, and mortality incidence rates were recorded. Of the cohort studied, 80.9 % patients exhibited no local CVS, asymptomatic vasospasm was observed in 17.4 % patients and symptomatic vasospasm in 1.7 % patients via DSA imaging. All CVS was relieved and symptoms disappeared after intra-arterial infusion of papaverine hydrochloride. Intracerebral hemorrhage occurred in two cases during the perioperative period, one of which resulted in death. CVS is a severe complication of CAS. Fasudil hydrochloride can rapidly relieve cerebral vasospasm, has no selective effect on cerebral vasculature, and little influence on blood pressure. It is suitable for the prevention of CVS during interventional treatment of ischemic cerebrovascular disease. In the experiment, the researchers used many compounds, for example, 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7Name: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride).

5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride (cas: 105628-07-7) 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. Most traditional methods of generating isoquinoline do so via oxidative aromatization of dihydro- or tetrahydro-isoquinolines, usually offering some environmental or economic advantage.Name: 5-((1,4-Diazepan-1-yl)sulfonyl)isoquinoline hydrochloride

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Solifenacin and mirabegron monotherapies versus combination therapy in overactive bladder: a prospective observational study was written by Mahapatra, Sanjay Kumar;Dash, Rinu Rani;Rath, Bhabagrahi;Hota, Prajit Saswat. And the article was included in Biomedical and Pharmacology Journal in 2022.Recommanded Product: 242478-37-1 This article mentions the following:

Overactive bladder (OAB) is a common medical condition, especially in the elderly population, that affects the quality of life. The primary treatment of OAB is a combination of behavioral measures and widely used anti-muscarinic drug therapy like solifenacin, which brings about significant side effects, thereby affecting the quality of life adversely. Mirabegron, a recently approved drug for treatment of OAB is a ss3 – adrenergic agonist, which relaxes the detrusor muscle. With this background, the current study was done to compare the efficacy and safety of solifenacin, mirabegron and combination of low doses of solifenacin and mirabegron on various parameters of OAB. A total number of 70 patients with OAB symptoms coming to urol. OPD were included in this study and they were divided into 3 groups – Group 1: 24 patients receiving solifenacin 10mg/day, Group 2: 23 patients receiving solifenacin 5mg/day plus mirabegron 25mg/day, Group 3: 23 patients receiving mirabegron 50 mg/day. Patients were assessed for change in mean numbers of micturition, urgency, incontinence per 24 h and quality of life using Patient Perception of Bladder Control (PPBC) Questionnaire. They were followed up after 4 wk and 12 wk and change in the above parameters from baseline were noted. Patients receiving combination therapy achieved a significant reduction in urgency, frequency, nocturia and urge incontinence and decrease in side effects when compared with solifenacin and mirabegron alone. Combination therapy with solifenacin and mirabegron significantly improved quality of life and reduced side effects like dry mouth, blurred vision, constipation in OAB patients in comparison to solifenacin and mirabegron monotherapy. 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. 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.Recommanded Product: 242478-37-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Direct Cα-heteroarylation of structurally diverse ethers via a mild N-hydroxysuccinimide mediated cross-dehydrogenative coupling reaction was written by Liu, Shihui;Liu, Aoxia;Zhang, Yongqiang;Wang, Wei. And the article was included in Chemical Science in 2017.Name: Methyl isoquinoline-3-carboxylate This article mentions the following:

A new, efficient, N-hydroxysuccinimide (NHS) mediated, mild and metal-free CDC strategy for the direct Cα-heteroarylation of diverse ethers such as THF, tetrahydro-2H-pyran, 1,4,7,10-tetraoxacyclododecane, etc. has been developed. In this study NHS as a new and efficient mediator without using light has been identified, different to our previous benzaldehyde mediated photoredox Cα-heteroarylation. A distinct non-photoredox engaged hydrogen-atom-transfer (HAT) mechanism that uses a nitrogen-centered radical cation produced from NHS is initially revealed. Notably, only 5-10 equiv of ethers as coupling partners are used for allowing structurally diverse and complex ethers to engage in this process so as to create highly medicinally relevant (±)-Cα-heteroarylated ethers 1-(1,4,7,10-tetraoxacyclododecan-2-yl)isoquinoline, 1-methyl-2-(tetrahydrofuran-2-yl)-1H-benzo[d]imidazole, 2-(tetrahydrofuran-2-yl)benzo[d]thiazole, etc. Furthermore, more structurally diverse heterocyclics such as 6-fluoro-2-methylquinoline, 6-methylisoquinoline, nicotinonitrile, etc. can serve as reactants for this process. In the experiment, the researchers used many compounds, for example, Methyl isoquinoline-3-carboxylate (cas: 27104-73-0Name: Methyl isoquinoline-3-carboxylate).

Methyl isoquinoline-3-carboxylate (cas: 27104-73-0) belongs to isoquinoline derivatives. The isoquinoline structure occurs in a considerable number of alkaloids in widely separated plant families. 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.Name: Methyl isoquinoline-3-carboxylate

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Palladium-Catalyzed Isoquinoline Synthesis by Tandem C-H Allylation and Oxidative Cyclization of Benzylamines with Allyl Acetate was written by Chen, Yujie;Huang, Zhibin;Dai, Chenyang;Yang, Shan;Shi, Da-Qing;Zhao, Yingsheng. And the article was included in Organic Letters in 2021.Recommanded Product: 14446-31-2 This article mentions the following:

A novel approach to synthesize 3-methylisoquinolines via a one-pot, two-step, palladium(II)-catalyzed tandem C-H allylation/intermol. amination and aromatization is reported. A wide series of 3-methylisoquinoline derivatives were obtained directly using this method in moderate to good yields, and authors highlight the synthetic importance of this new transformation. In the experiment, the researchers used many compounds, for example, 6-Methoxy-3-methylisoquinoline (cas: 14446-31-2Recommanded Product: 14446-31-2).

6-Methoxy-3-methylisoquinoline (cas: 14446-31-2) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. Most traditional methods of generating isoquinoline do so via oxidative aromatization of dihydro- or tetrahydro-isoquinolines, usually offering some environmental or economic advantage.Recommanded Product: 14446-31-2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Palladium supported on metal-organic framework as a catalyst for the hydrogenation of nitroarenes under mild conditions was written by Bao, Lingxiang;Yu, Zongbao;Fei, Teng;Yan, Zhiyuan;Li, Jiazhe;Sun, Chenghui;Pang, Siping. And the article was included in Applied Organometallic Chemistry in 2020.Name: 5-Nitroisoquinoline This article mentions the following:

A highly active and selective metal-organic framework-supported palladium catalyst was prepared for synthesis of amines ArNH₂ [Ar = Ph, 4-MeC₆H₄, 1-naphthyl, etc.] via catalytic hydrogenation of nitroarenes. High selectivity (>99%) and excellent yield (98%) of aniline were realized after 2 h in ethanol under hydrogen (1 atm) at room temperature The reductions were successfully carried out in presence of a wide range of other reducible functional groups. More importantly, the catalyst was very stable without loss of its catalytic activity after five cycles. In the experiment, the researchers used many compounds, for example, 5-Nitroisoquinoline (cas: 607-32-9Name: 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. The discovery of chloroquine, the most well-known drug containing this stent, has helped bring about decades of malaria control and treatment.Name: 5-Nitroisoquinoline

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Highly Chemoselective Synthesis of Purino[3,2-c]oxazoles via the Asymmetric Dearomative [3 + 2] Cycloaddition of Purines with Donor-Acceptor Oxiranes was written by Zhang, Meng-Cheng;Wang, Dong-Chao;Wang, Hai-Ting;Qu, Gui-Rong;Guo, Hai-Ming. And the article was included in Organic Letters in 2022.COA of Formula: C9H6N2O2 This article mentions the following:

A Ni(II)/bisoxazoline-catalyzed asym. dearomative [3 + 2] cycloaddition of substituted purines with donor-acceptor oxiranes was developed. This reaction, which proceeds via highly chemoselective C-C bond cleavage of the oxiranes, accesses chiral purino[3,2-c]oxazole compounds (up to 99% ee after enrichment via crystallization). The electronic effects of the purine ring determine the reactivity of the substrate. The general applicability of this method was illustrated by gram-scale synthesis, the diverse transformations of the product, and the promising biol. activities of selected derivatives In the experiment, the researchers used many compounds, for example, 5-Nitroisoquinoline (cas: 607-32-9COA of Formula: C9H6N2O2).

5-Nitroisoquinoline (cas: 607-32-9) belongs to isoquinoline derivatives. Quinoline and isoquinoline skeletons are among the most attractive frameworks with a wide range of biological and pharmacological activities. 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: C9H6N2O2

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Interactions of Perylene Bisimide in the One-Dimensional Channels of Zeolite L was written by Busby, Michael;Devaux, Andre;Blum, Christian;Subramaniam, Vinod;Calzaferri, Gion;De Cola, Luisa. And the article was included in Journal of Physical Chemistry C in 2011.COA of Formula: C50H62N2O4 This article mentions the following:

Supramolecularly organized host guest systems were prepared by inserting three perylene dyes with differing end substituents into the nanosized channels of zeolite L (ZL) by gas-phase adsorption under vacuum conditions. The end substituents allowed controlling the core-to-core distances of the mols. in the channels. The three perylene dyes studied have very similar absorption and fluorescence spectra in diluted solutions, as well as fluorescence lifetimes ∼ 4 ns. Large ZL crystals in the size range of 1500-3000 nm in length and ∼1000 nm in diameter as well as nanosized NZL crystals of ∼30 nm in length and diameter were used as hosts. Different loadings were studied. The photophys. properties of the materials were analyzed as suspensions in refractive index matching solvents, such as toluene or Et benzoic acid ester; as bulk materials in glass ampuls; and by time-, space-, and spectrally resolved single-crystal fluorescence microspectrocopy techniques. The inserted dyes can form J-aggregates if the structure of the perylene derivative allows for short distances between the electronic transition moments in an in-line arrangement. J-coupling was not seen for the mols. with substituents that keep them further apart. Aligned and stabilized J-aggregates in 1-dimensional channels provide new options for preparing optical devices, where coherent exciton delocalization over nanometer-to-micrometer scales may result in efficient photonic wires. The exciton coupling can be controlled by varying the mol. tail groups. In the experiment, the researchers used many compounds, for example, 2,9-Di(tridecan-7-yl)anthra[2,1,9-def:6,5,10-d’e’f’]diisoquinoline-1,3,8,10(2H,9H)-tetraone (cas: 110590-84-6COA of Formula: C50H62N2O4).

2,9-Di(tridecan-7-yl)anthra[2,1,9-def:6,5,10-d’e’f’]diisoquinoline-1,3,8,10(2H,9H)-tetraone (cas: 110590-84-6) belongs to isoquinoline derivatives. Being an analog of pyridine, isoquinoline is a weak base, with a pKa of 5.14. They are also used to make oil-soluble dyes, food colorants, pharmaceuticals, pH indicators and other organic compounds. COA of Formula: C50H62N2O4

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Tetraphenylethylene sulfonate derivative as turn-on fluorescent sensor for berberine chloride detection in aqueous solution was written by Huang, Han-Jun;Gao, Si-Yu;Zhao, Ai-Juan;Ngeontae, Wittaya;Wu, Han-Chun;Wang, Fu-Min;Ren, Xiang-Kui. And the article was included in Journal of Pharmaceutical and Biomedical Analysis in 2022.HPLC of Formula: 2086-83-1 This article mentions the following:

A neg.-charged tetraphenylethylene derivative (TPE-SE) was designed and synthesized as turn-on fluorescent sensor for berberine chloride (BBC) detection in aqueous solution The fluorescent property and detection mechanism were elucidated by UV-vis absorption spectra, photoluminescence spectra, dynamic light scattering experiments The results reveal that the BBC can lead to aggregation-induced emission of TPE-SE due to the electrostatic interactions, endowing TPE-SE with excellent turn-on detecting ability, high selectivity and sensitivity to BBC. The detection limit is as low as 6.58 x 10^-6M. These results should be applicable to fabricate special turn-on fluorescent sensors towards various antibiotics, and it is crucially important for achieving reasonable control and intake of small biomols. In the experiment, the researchers used many compounds, for example, 9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium (cas: 2086-83-1HPLC of Formula: 2086-83-1).

9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium (cas: 2086-83-1) 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.HPLC of Formula: 2086-83-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Impact of mirabegron versus solifenacin on autonomic function and arterial stiffness in female overactive bladder syndrome: a randomized controlled trial was written by Hsiao, Sheng-Mou;Tu, Fung-Chao;Su, Ta-Chen;Wu, Pei-Chi;Lin, Ho-Hsiung. And the article was included in Scientific Reports in 2022.Name: (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate This article mentions the following:

The study aims to elucidate the impact of mirabegron vs. solifenacin on autonomic function and peripheral arterial conditions in women with overactive bladder syndrome (OAB). All consecutive women with OAB were randomized to receive 12 wk of mirabegron 25 mg or solifenacin 5 mg once per day. Heart rate variability, cardio-ankle vascular index, ankle-brachial pressure index, blood pressure, and heart rate were compared between the two groups. There were 87 women (mirabegron, n = 43; and solifenacin, n = 44) who completed 12-wk treatment and underwent heart rate variability examination Systolic blood pressure (median: – 4.5 to – 5.5 mmHg) and diastolic blood pressure (median: – 0.5 to – 3.5 mmHg) decreased after solifenacin treatment, and heart rate (median: + 2 bpm) increased after mirabegron treatment, despite of no between-group difference. In addition, posttreatment heart rate variability, cardio-ankle vascular index, and ankle-brachial pressure index did not differ compared with baseline; and there were no between-group differences. In conclusion, solifenacin might decrease blood pressure, and mirabegron might increase heart rate. Nonetheless, there were no significant impacts of 12-wk mirabegron vs. solifenacin treatment on autonomic function and arterial stiffness. In the experiment, the researchers used many compounds, for example, (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1Name: (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate).

(S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (cas: 242478-37-1) belongs to isoquinoline derivatives. Quinoline and isoquinoline skeletons are among the most attractive frameworks with a wide range of biological and pharmacological activities. Other industrial applications include their use as corrosion inhibitors, preservatives, and as solvents for resins and terpenes.Name: (S)-(R)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Multi-Target Potential of Berberine as an Antineoplastic and Antimetastatic Agent: A Special Focus on Lung Cancer Treatment. was written by Achi, Ijeoma Theresa;Sarbadhikary, Paromita;George, Blassan P;Abrahamse, Heidi. And the article was included in Cells in 2022.Application of 2086-83-1 This article mentions the following:

Despite therapeutic advancements, lung cancer remains the principal cause of cancer mortality in a global scenario. The increased incidence of tumor reoccurrence and progression and the highly metastatic nature of lung cancer are of great concern and hence require the investigation of novel therapies and/or medications. Naturally occurring compounds from plants serve as important resources for novel drugs for cancer therapy. Amongst these phytochemicals, Berberine, an alkaloid, has been extensively explored as a potential natural anticancer therapeutic agent. Several studies have shown the effectiveness of Berberine in inhibiting cancer growth and progression mediated via several different mechanisms, which include cell cycle arrest, inducing cell death by apoptosis and autophagy, inhibiting cell proliferation and invasion, as well as regulating the expression of microRNA, telomerase activity, and the tumor microenvironment, which usually varies for different cancer types. In this review, we aim to provide a better understanding of molecular insights of Berberine and its various derivative-induced antiproliferative and antimetastatic effects against lung cancer. In conclusion, the Berberine imparts its anticancer efficacy against lung cancers via modulation of several signaling pathways involved in cancer cell viability and proliferation, as well as migration, invasion, and metastasis. In the experiment, the researchers used many compounds, for example, 9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium (cas: 2086-83-1Application of 2086-83-1).

9,10-Dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium (cas: 2086-83-1) 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.Application of 2086-83-1

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem