Category: isoquinoline

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. Recommanded Product: 58022-21-2. Introducing a new discovery about 58022-21-2, Name is 1-(Isoquinolin-1-yl)ethanone

Recently we have described the antitumor activities of 2- benzoxazolylhydrazones derived from 2-formyl and 2-acetylpyridines. In search of a more efficacious analogue, compounds in which the 2-acetylpyridine moiety has been replaced by 2-acylpyridine and alpha-(N)-acetyldiazine/quinoline groups have been synthesized. The 2-acylpyridyl hydrazones inhibited in vitro cell proliferation in the nM range, whereas the hydrazones derived from the alpha-(N)-acetyldiazines/quinolines inhibited cell growth in the muM range. Compounds tested in the NCI-60 cell assay were effective inhibitors of leukemia, colon, and ovarian cancer cells. E-13k [N-benzoxazol-2-yl-N?-(1- isoquinolin-3-yl-ethylidene)-hydrazine] inhibited the proliferation of MCF-7 breast carcinoma cells more efficiently than nontransformed MCF-10A cells. It is not transported by P-glycoprotein and a weak MRP substrate. Increased concentrations of serum or alpha1-acid glycoprotein did not reduce the antiproliferative activity of the compound. In the in vivo hollow fiber assay, E-13k achieved a score of 24, with a net cell kill of OVCAR-3 (ovarian) and SF2-95 (CNS) tumor cells.

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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H1606N – PubChem

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments. SDS of cas: 4721-98-6. Introducing a new discovery about 4721-98-6, Name is 6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinoline

The first total synthesis of alangicine (3), an Alangium lamarckii alkaloid, has been achieved in the form of a racemic modification by means of an initial alkaline hydrolysis of the (+/-)-tricyclic ester 6 and succeeding steps proceeding through the intermediates (+/-)-7, (+/-)-10, and (+/-)-9.A parallel synthetic route starting with the (-)-tricyclic ester 6, derived from (+)-cincholoipon ethyl ester (8), produced the chiral target molecule (+)-3 via the intermediates (-)-7, (-)-10, and 9.The identity of the synthetic (+)-3 with alangicine unequivocally established the structure and absolute stereochemistry of this alkaloid.The (13)C nuclear magnetic resonance spectra of (+/-)-alangicine (3) and the ipecac and Alangium alkaloid psychotrine (18) confirmed their endocyclic double bond structures in the dihydroisoquinoline moiety.Catalytic reductions of 11, (+/-)-12, and 15 using hydrogen and Pd-C were investigated, and the results have shown that hydrogenolysis of the benzyloxy group proceeds much faster than saturation of the endocyclic C=N bond.Keywords – alangicine; psychotrine; structure; absolute configuration; stereoselective synthesis; (13)C NMR; CD; benzyl ether; hydrogenolysis

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Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Synthetic Route of 552331-05-2, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 552331-05-2, 6-Bromo-1,3-dichloroisoquinoline, introducing its new discovery.

Several reports have recently emerged regarding the identification of heteroarylsulfonamides as NaV1.7 inhibitors that demonstrate high levels of selectivity over other NaV isoforms. The optimization of a series of internal NaV1.7 leads that address a number of metabolic liabilities including bioactivation, PXR activation, as well as CYP3A4 induction and inhibition led to the identification of potent and selective inhibitors that demonstrated favorable pharmacokinetic profiles and were devoid of the aforementioned liabilities. The key to achieving this within a series prone to transporter-mediated clearance was the identification of a small range of optimal cLogD values and the discovery of subtle PXR SAR that was not lipophilicity dependent. This enabled the identification of compound 20, which was advanced into a target engagement pharmacodynamic model where it exhibited robust reversal of histamine-induced scratching bouts in mice.

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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Electric Literature of 19493-44-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.19493-44-8, Name is 1-Chloroisoquinoline, molecular formula is C9H6ClN. In a Article，once mentioned of 19493-44-8

A series of nine borylated arylisoquinolines has been prepared with systematic variation in their electronic properties and their photophysical properties were investigated. The color of their fluorescence can be finely tuned by changing the properties of the aryl moiety, which is involved in internal-charge-transfer processes. For example, methoxy-substituted compound 5 showed an intense green emission, whereas dimethylamino-substituted compound 6 showed an orange-red emission. These new fluorophores were tested for their potential as molecular switches with external ionic stimuli, such as protons and fluoride ions. On the one hand, protonation of the isoquinoline moiety led to fluorescence enhancement for compounds that showed weak charge transfer and fluorescence quenching for compounds that showed strong charge transfer. On the other hand, the formation of ate complexes with fluoride led to strong fluorescence quenching in all of the investigated cases. 2 in 1: Borylated arylisoquinolines are tunable and quite versatile molecular entities for the fluorescence sensing of protons and fluoride ions (see figure). A series of compounds with different electronic properties was investigated for various switching modes (quenching, enhancement, ratiometric response). Copyright

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Isoquinoline – Wikipedia,
Isoquinoline | C9H1415N – PubChem

4721-98-6, Name is 6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinoline, belongs to isoquinoline compound, is a common compound. Safety of 6,7-Dimethoxy-1-methyl-3,4-dihydroisoquinolineIn an article, once mentioned the new application about 4721-98-6.

A cyclometalated iridium complex is shown to catalyse the transfer hydrogenation of various nitrogen heterocycles, including but not limited to quinolines, isoquinolines, indoles and pyridinium salts, in an aqueous solution of HCO2H/HCO2Na under mild conditions. The catalyst shows excellent functional-group compatibility and high turnover number (up to 7500), with catalyst loadings as low as 0.01 mol % being feasible. Mechanistic investigation of the quinoline reduction suggests that the transfer hydrogenation proceeds via both 1,2- and 1,4-addition pathways, with the catalytic turnover being limited by the step of hydride transfer. An easily accessible iridicycle catalyst effects the transfer hydrogenation of a wide variety of N-heterocycles in water, including quinolines, isoquinolines, indoles, quinoxalines, and pyridines. The catalyst shows excellent functional-group compatibility and high turnover number (up to 7500), even with low catalyst loadings.

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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H2758N – PubChem

Related Products of 2412-58-0, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.2412-58-0, Name is 1-Methyl-3,4-dihydroisoquinoline, molecular formula is C10H11N. In a Patent，once mentioned of 2412-58-0

A quinazoline derivative represented by formula(I) or a pharmaceutically acceptable salt thereof is useful for the treatment of peptic ulcer, wherein: STR1 R1 and R2 are each hydrogen or a C1 -C4 alkyl group; R3 is hydrogen or a halogen; R4, R5, R6, R7, R8 and R9, which may be the same or different, are each hydrogen, a C1 -C4 alkyl group, a cyclopropyl group, or a C1 -C4 alkyl group substituted with a halogen; and R10 is a methoxy group.

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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H729N – PubChem

Reference of 1532-97-4, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1532-97-4, Name is 4-Bromoisoquinoline, molecular formula is C9H6BrN. In a article，once mentioned of 1532-97-4

Substituted heteroaromatic compounds, especially those based on pyridine, hold a privileged position within drug discovery and medicinal chemistry. However, functionalisation of the C2 position of 6-membered heteroarenes is challenging because of (a) the difficulties of installing a halogen at this site and (b) the instability of C2 heteroaryl-metal reagents. Here we show that C2-alkenylated heteroaromatics can be accessed by simple Br°nsted acid catalysed union of diverse heteroarene N-oxides with alkenes. The approach is notable because (a) it is operationally simple, (b) the Br°nsted acid catalyst is cheap, non-toxic and sustainable, (c) the N-oxide activator disappears during the reaction, and (d) water is the sole stoichiometric byproduct of the process. The new protocol offers orthogonal functional group tolerance to metal-catalysed methods and can be integrated easily into synthetic sequences to provide polyfunctionalised targets. In broader terms, this study demonstrates how classical organic reactivity can still be used to provide solutions to contemporary synthetic challenges that might otherwise be approached using transition metal catalysis.

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Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Chemistry is traditionally divided into organic and inorganic chemistry. Product Details of 3382-18-1, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 3382-18-1

The copper-catalyzed asymmetric propargylation of cyclic aldimines is reported. The influence of the imine trimer to inhibit the reaction was identified, and equilibrium constants between the monomer and trimer were determined for general classes of imines. Asymmetric propargylation of a diverse series of N-alkyl and N-aryl aldimines was achieved with good to high asymmetric induction. The utility was demonstrated by a titanium catalyzed hydroamination and reduction to generate the chiral indolizidines (-)-crispine A and (-)-harmicine.

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Isoquinoline – Wikipedia,
Isoquinoline | C9H2267N – PubChem

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Application In Synthesis of 6-Methoxy-3,4-dihydroisoquinolin-1(2H)-one, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 22246-12-4, Name is 6-Methoxy-3,4-dihydroisoquinolin-1(2H)-one, molecular formula is C10H11NO2

A series of indolylcyclohexylamines possessing potent and selective serotonin reuptake inhibition is reported. The most interesting compounds proved to have subnanomolar 5-HT transporter activity, and exhibited moderate 5-HT1A affinity.

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Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Electric Literature of 19493-44-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.19493-44-8, Name is 1-Chloroisoquinoline, molecular formula is C9H6ClN. In a Patent，once mentioned of 19493-44-8

The invention relates to oxime compounds of Formula (I) and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein X is hydrogen, optionally substituted aryl, optionally substituted heteroaryl or the like; Y is CO, SO2, CR3R4 or the like; Z is optionally substituted lower alkyl, optionally substituted aryl or the like; W is optionally substituted lower alkylene or optionally substituted lower alkenylene, R3 and R4 are each independently hydrogen, lower alkyl or the like; p is 0, 1, or 2 and q is O, 1 or 2. The invention is also directed to the use compounds of Formula I to treat, prevent or ameliorate a disorder responsive to the blockade of calcium channels, and particularly N-type calcium channels. Compounds of the present invention are especially useful for treating pain.

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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H1188N – PubChem