Month: June 2021

Chemical Research Letters, May 2021. Research speed reading in 2021. SDS of cas: 57196-62-0, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 57196-62-0, Name is 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, molecular formula is C10H14ClNO. In a Article，once mentioned of 57196-62-0

In the continuing study directed toward the development of peroxisome proliferator-activated receptor gamma (hPPARgamma) agonist, we attempted to improve the water solubility of our previously developed hPPARgamma-selective agonist 3, which is insufficiently soluble for practical use, by employing two strategies: introducing substituents to reduce its molecular planarity and decreasing its hydrophobicity via replacement of the adamantyl group with a heteroaromatic ring. The first approach proved ineffective, but the second was productive. Here, we report the design and synthesis of a series of alpha-benzyl phenylpropanoic acid-type hPPARgamma partial agonists with improved aqueous solubility. Among them, we selected (R)-7j, which activates hPPARgamma to the extent of about 65% of the maximum observed with a full agonist, for further evaluation. The ligand-binding mode and the reason for the partial-agonistic activity are discussed based on X-ray-determined structure of the complex of hPPARgamma ligand-binding domain (LBD) and (R)-7j with previously reported ligand-LDB structures. Preliminal apoptotic effect of (R)-7j against human scirrhous gastric cancer cell line OCUM-2MD3 is also described.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Chemical Research Letters, May 2021. Research speed reading in 2021. Related Products of 118864-75-8, The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 118864-75-8, Name is (S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline, molecular formula is C15H15N. In a Article，once mentioned of 118864-75-8

Enzymes dependent on nicotinamide cofactors are important components of the expanding range of asymmetric synthetic techniques. New challenges in asymmetric catalysis are arising in the field of deuterium labelling, where compounds bearing deuterium (2H) atoms at chiral centres are becoming increasingly desirable targets for pharmaceutical and analytical chemists. However, utilisation of NADH-dependent enzymes for 2H-labelling is not straightforward, owing to difficulties in supplying a suitably isotopically-labelled cofactor ([4-2H]-NADH). Here we report on a strategy that combines a clean reductant (H2) with a cheap source of 2H-atoms (2H2O) to generate and recycle [4-2H]-NADH. By coupling [4-2H]-NADH-recycling to an array of C=O, C=N, and C=C bond reductases, we demonstrate asymmetric deuteration across a range of organic molecules under ambient conditions with near-perfect chemo-, stereo- and isotopic selectivity. We demonstrate the synthetic utility of the system by applying it in the isolation of the heavy drug (1S,3?R)-[2?,2?,3?-2H3]-solifenacin fumarate on a preparative scale.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Safety of 2-Phenyl-1,2,3,4-tetrahydroisoquinoline, New Advances in Chemical Research, May 2021. Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 3340-78-1, Name is 2-Phenyl-1,2,3,4-tetrahydroisoquinoline,introducing its new discovery.

The oxidative C-C bond formations between Csp3-H bond adjacent to nitrogen and Csp3-H bond of nitroalkanes are catalyzed efficiently by magnetically recoverable iron nanoparticles using oxygen. The catalyst can be magnetically removed and recycled easily for nine times without decreasing activity. Georg Thieme Verlag Stuttgart.

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Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Research speed reading in 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. An article , which mentions Application of 22990-19-8, molecular formula is C15H15N. The compound – 1-Phenyl-1,2,3,4-tetrahydroisoquinoline played an important role in people’s production and life., Application of 22990-19-8

The condensation of 3,4-disubstituted phenylethylamine and benzaldehyde furnished 1-phenyl-6,7-disubstituted-1,2,3,4-tetrahydroisoquinolines 1 which on reaction with 1,3-dibromopropane gave 1-phenyl-6,7-disubstituted-2-(3-bromopropyl)-1,2,3,4-tetrahydroisoquinolines 2.The reaction of 2 with different secondary amines resulted in the synthesis of 3.The compounds 3 were screened for their in vitro antitubercular activity against Mycobacterium smegmatis, and some of them have been found to be total inhibitors of M.Smegmatis.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

New discoveries in chemical research and development in 2021. Application of 82771-60-6, 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. 82771-60-6, Name is 7-Chloro-1,2,3,4-tetrahydroisoquinoline, molecular formula is C9H10ClN. In a Article，once mentioned of 82771-60-6

(Chemical Equation Presented) We report the application of visible-light photoredox catalysis for the formation of C-C bonds between tertiary N-arylamines and nitroalkanes via an oxidative aza-Henry reaction. In the presence of 1 mol % Ir(ppy)2(dtbbpy)PF6, efficient coupling of nitroalkanes with in situ-generated iminium ions provides the desired products in up to 96% yield. Mechanistic studies suggest that reductive quenching of the Ir3+ excited state by the tertiary amine leads to the ammonium radical cation, with subsequent catalyst turnover (Ir2+ ? Ir3+) likely effected by atmospheric oxygen. Copyright

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

New research progress on 99365-69-2 in 2021. category: tetrahydroisoquinoline, Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 99365-69-2, molcular formula is C9H11ClN2O2, introducing its new discovery.

The present invention relates to a class of small molecule hydroxamic acid compounds capable of inhibiting histone deacetylases (HDACs). The present invention also relates to methods of preparation of hydroxamic acid HDAC inhibitor compounds of the invention, which are N-substituted-1,2,3,4-tetrahydroisoquinoline hydroxamic acid derivatives, and their incorporation into pharmaceutical compositions and methods of administration. The present invention also relates to N-substituted-1,2,3,4-tetrahydroisoquinoline hydroxamic acid derivatives, which may be prepared as a hydroxamic acid HDAC inhibitor compound library that can be utilized in screening methods known in the art.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

New Advances in Chemical Research, May 2021.Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. COA of Formula: C10H13N, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 1612-65-3, name is 2-Methyl-1,2,3,4-tetrahydroisoquinoline. In an article，Which mentioned a new discovery about 1612-65-3

A catalytic toolbox for three different water-based one-pot cascades to convert aryl alcohols to amides and acids and cyclic amines to lactams, involving combination of oxidative enzymes (monoamine oxidase, xanthine dehydrogenase, galactose oxidase and laccase) and chemical oxidants (TBHP or CuI(cat)/H2O2) at mild temperatures, is presented. Mutually compatible conditions were found to afford products in good to excellent yields. This journal is

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

Research speed reading in 2021. Related Products of 3340-78-1, Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, new energy materials, preparation and modification of special coatings. 3340-78-1, Name is 2-Phenyl-1,2,3,4-tetrahydroisoquinoline, molecular formula is C15H15N. In a Article，once mentioned of 3340-78-1

CuBr-catalyzed oxidative difluoromethylation of readily available tertiary amines with difluoroenol silyl ethers was performed under mild conditions to afford beta-amine-a,a-difluoro ketones.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

New Advances in Chemical Research in 2021. In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 166591-85-1, name is 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid, introducing its new discovery. Product Details of 166591-85-1

Disclosed is the use of an adhesion molecule inhibitor that is effective in the prevention and treatment of inflammatory diseases caused by infiltration of leukocytes such as monocytes, lymphocytes and eosinophils, by inhibiting cell infiltration which mediates adhesion molecules, especially adhesion molecule VLA-4.Since the spiro acid derivatives according to the present invention are excellent in the effect of inhibiting cell adhesion via adhesion molecules, especially adhesion molecule VLA-4, they are useful as therapeutic drugs against various inflammatory diseases. For example, provided are the spiro derivative and the adhesion molecule inhibitor which includes as an active ingredient the spiro derivative as shown by the below formula (18).

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

New discoveries in chemical research and development in 2021. In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Safety of 7-Methoxy-1,2,3,4-tetrahydroisoquinoline, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 43207-78-9, name is 7-Methoxy-1,2,3,4-tetrahydroisoquinoline. In an article，Which mentioned a new discovery about 43207-78-9

The title compound has been prepared from 1,2,3,4-tetrahydroisoquinoline via successive nitration, acetylation, reduction and diazotisation.Earlier conflicting reports on the nitration of tetrahydroisoquinoline have been clarified.A better synthetic route, based upon reduction of the corresponding isocarbostyril, has been devised and should be applicable to the obtention of a wide range of tetrahydroisoquinolines.The structure of the neutral product of oxidative dimerisation of 2-acetyl-7-hydroxy-1,2,3,4-tetrahydroisoquinoline has been established.

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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem