Day: February 18, 2021

Synthetic Route of 827-61-2, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 827-61-2, Name is Quinuclidin-3-yl acetate, molecular formula is C9H15NO2. In a Patent£¬once mentioned of 827-61-2

Process for preparing quinuclidine enantiomers

A new composition of matter, (+) 3-acetoxy- quinuclidine and its salts, ophthalmic compositions comprising this compound or any of its physiologically acceptable salts in a suitable carrier such as a phosphate buffer, and a process of preparation of the active ingredients, which comprises esterifying quinuclidinol so as to obtain racemic 3-lower-alkoxy quinuclidine, subjecting same to enzymatic hydrolysis by a cholinesterase so as to selectively hydrolyze the (-) isomer, separating the unchanged (+) lower-alkoxy quinuclidine, hydrolyzing the latter and esterifying it to the desired compound. Amongst various homolophes the preferred compound is (+)3-acetoxy quinuclidine as this is pharmaceutically the most potent one.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H43N | ChemSpider

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Aceclidine effects on outflow facility after ciliary muscle disinsertion

Aceclidine increases outflow facility with little accomodative effect. To determine whether this dissociation resides in the ciliary muscle (CM) or trabecular meshwork (TM), we measured aceclidine effects on perfusion outflow facility in both eyes of 8 rhesus monkeys after unilateral disinsertion of the CM from the TM. Facility in the control eyes increased by ~250% following intravenous pilocarpine and by an additional ~250% following intravenous pilocarpine and by an additional ~250% following intracameral pilocarpine, relative to baseline and uncorrected for washout. In CM-disinserted eyes, the facility response to intravenous and intracameral pilocarpine averaged ~25% of that in contralateral controls. Cytochalasin B, which acts directly on the TM to increase facility but is not additive to maximal pilocarpine doses in normal eyes, had no additional effect beyond that of pilocarpine in control eyes but induced an additional 100% facility increase relative to baseline in CM-disinserted eyes. The accomodative response to carbachol in CM-disinserted eyes was ~80% of that in contralateral controls, consistent with retention of CM contractility and the gonioscopic appearance of shallow CM disinsertion. Intracameral aceclidine HCl doses of 5 and 50 mug increased outflow facility by ~80 and 250%, respectively, in control eyes, and by ~0 and 80% in Cm-disinserted eyes. Either the low aceclidine dose affected facility via the CM, while the high dose exerted an additional effect on the TM, or aceclidine acted only via the CM, with the low dose being ineffective and the high dose modestly effective in CM-disinserted eyes because only a few CM-TM attachments remained.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H64N | ChemSpider

Application of 5291-32-7, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.5291-32-7, Name is APR-246, molecular formula is C10H17NO3. In a Patent£¬once mentioned of 5291-32-7

METHODS FOR MODULATING CHEMOTHERAPEUTIC CYTOTOXICITY

Disclosed herein are methods of reducing cytotoxicity of a chemotherapeutic agent to non-cancer cells by administering to a subject with cancer an effective amount of an agent that inhibits CD47 signaling and a chemotherapeutic agent. Example disclosed methods reduce cardiotoxicity of a chemotherapeutic agent. Also disclosed are methods of increasing cytotoxicity of a chemotherapeutic agent in cancer cells by administering to a subject with a tumor an effective amount of an agent that inhibits CD47 signaling and a chemotherapeutic agent. In some embodiments, the inhibitor of CD47 signaling is administered to the subject before, during, or after the administration of the chemotherapeutic agent.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H167N | ChemSpider

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Computed Properties of C7H16Cl2N2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 123536-14-1, name is (R)-3-Aminoquinuclidine dihydrochloride. In an article£¬Which mentioned a new discovery about 123536-14-1

Quinuclidine acrylamides

Compounds of formula I wherein A represents: and R, R1 , R2 , R3 and R4 are as defined in the specification, pharmaceutically acceptable salts thereof,processes for preparing them, pharmaceutical compositions containing them and their use in therapy, especially in the treatment or prophylaxis of psychotic disorders and intellectual impairment disorders

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H126N | ChemSpider

827-61-2, Name is Quinuclidin-3-yl acetate, belongs to quinuclidine compound, is a common compound. Application In Synthesis of Quinuclidin-3-yl acetateIn an article, once mentioned the new application about 827-61-2.

Thermochemical stability: A comparison between experimental and predicted data

The first step to be performed during the development of a new industrial process should be the assessment of all hazards associated to the involved compounds. Particularly, the knowledge of all substances thermochemical parameters is a primary feature for such a hazard evaluation. CHETAH (CHEmical Thermodynamic And Hazard evaluation) is a prediction software suitable for calculating potential hazards of chemicals, mixtures or a single reaction that, using only the structure of the involved molecules and Benson’s group contribution method, is able to calculate heats of formation, entropies, Gibbs free energies and reaction enthalpies. Because of its ability to predict the potential hazards of a material or mixture, CHETAH is part of the so-called “desktop methods” for early stage chemical safety analysis. In this work, CHETAH software has been used to compile a complete risk database reporting heats of decomposition and Energy Release Potential (ERP) for 342 common use chemicals. These compounds have been gathered into classes depending on their functional groups and similarities in their thermal behavior. Calculated decomposition enthalpies for each of the compounds have also been compared with experimental data obtained with either thermoanalytic or calorimetric techniques (Differential Scanning Calorimeter – DSC – and Accelerating Rate Calorimeter – ARC).

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H76N | ChemSpider

In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Product Details of 123536-14-1, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 123536-14-1, name is (R)-3-Aminoquinuclidine dihydrochloride. In an article£¬Which mentioned a new discovery about 123536-14-1

NOVEL BENZAMIDE DERIVATIVE AND USE THEREOF

Disclosed are a novel benzamide derivative and pharmaceutical use thereof, and more particularly, a novel benzamide derivative having a structure of Formula 1 or pharmaceutically acceptable salts thereof, and a composition for prevention or treatment of pain or itching including the above material. The novel benzamide derivative and pharmaceutically acceptable salt thereof according to the present invention exhibit excellent pain-suppressive effect and, in particular, pain-suppressive effect in not only a neuropathic animal model but also other models such as a formalin model, and therefore, may be used in suppression of different pains such as nociceptive pain, chronic pain, etc. Further, since it was demonstrated that the present invention displays anti-pruritic efficacy even in an itching model, to which a mechanism and treatment concept established with respect to pain is applied, the present invention may also be effectively used in radical treatment of atopic dermatitis by applying the inventive product to an anti-pruritic composition in order to suppress an initial itching stage and treat symptoms thereof, thus preventing skin damage or inflammation after the scratching stage.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H118N | ChemSpider

Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 827-61-2, Name is Quinuclidin-3-yl acetate,introducing its new discovery., Recommanded Product: 827-61-2

SPIRO (1,3-DIOXOLANE-4,3′) QUINUCLIDINE COMPOUNDS

Novel spiro (1,3-dioxolane-4,3′) quinuclidine compounds of the formula STR1 wherein R 1 and R 2, which may be identical or different, each designates a member of the group hydrogen, alkyl or aryl; a process for the production of these and pharmaceutical compositions of matter containing such compound as active ingredient.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H31N | ChemSpider

Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 123536-14-1, Name is (R)-3-Aminoquinuclidine dihydrochloride. In a document type is Article, introducing its new discovery., Product Details of 123536-14-8

1,2,5-thiadiazole analogues of aceclidine as potent m1 muscarinic agonists

The acetyl group of the muscarinic agonist aceclidine 4 was replaced by various 1,2,5-thiadiazoles to provide a new series of potent m1 muscarinic agonists 17 and 18. Optimal m1 muscarinic agonist potency was achieved when the 1,2,5-thiadiazole substituent was either a butyloxy, 17d, or butylthio, 18d, group. Although 1,2,5-oxadiazole 37 and pyrazine 39 are iso-pi- electronic with 1,2,5-thiadiazole 17d, both analogues were substantially less active than 17d. Compounds with high muscarinic affinity and/or m1 muscarinic agonist efficacy were also obtained when the 3-oxyquinuclidine moiety of 17d or 18c was replaced by ethanolamines, hydroxypyrrolidines, hydroxyazetidine, hydroxyisotropanes, or hydroxyazanorbornanes. The structure-activity data support the participation of the oxygen or sulfur atom in the substituent on the 1,2,5-thiadiazole in the activation of the m1 receptor. Several of these new 1,2,5-thiadiazoles have m1 agonist efficacy, potency, and selectivity comparable to those of xanomeline 2 in the muscarinic tests investigated.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H89N | ChemSpider

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High-throughput luminescent reporter of insulin secretion for discovering regulators of pancreatic Beta-cell function

Defects in insulin secretion play a central role in the pathogenesis of type 2 diabetes, yet the mechanisms driving beta-cell dysfunction remain poorly understood, and therapies to preserve glucose-dependent insulin release are inadequate. We report a luminescent insulin secretion assay that enables large-scale investigations of beta-cell function, created by inserting Gaussia luciferase into the C-peptide portion of proinsulin. Beta-cell lines expressing this construct cosecrete luciferase and insulin in close correlation, under both standard conditions or when stressed by cytokines, fatty acids, or ER toxins. We adapted the reporter for high-throughput assays and performed a 1,600-compound pilot screen, which identified several classes of drugs inhibiting secretion, as well as glucose-potentiated secretagogues that were confirmed to have activity in primary human islets. Requiring 40-fold less time and expense than the traditional ELISA, this assay may accelerate the identification of pathways governing insulin secretion and compounds that safely augment beta-cell function in diabetes.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H49N | ChemSpider

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COMBINATION CANCER THERAPIES

Drug combinations of a heteroarotinoid (e.g., SHetA2), and an Azabicyclooctan-3-one derivative (e.g., PRIMA-1 or PRIMAMET) and/or, a CDK4/6 inhibitor (e.g., Palbociclib, Abemaciclib, or Ribociclib), which are synergistically-effective as anti-cancer treatments, and kits and methods of use of such drug combinations.

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Reference£º
Quinuclidine – Wikipedia,
Quinuclidine | C7H162N | ChemSpider