Month: April 2022

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Palladium(II) and platinum(II) saccharinate complexes containing pyridine and 3-acetylpyridine: Synthesis, crystal structures, fluorescence and thermal properties.Related Products of 15227-42-6.

New Pd(II) and Pt(II) complexes of saccharinate (sac), trans-[Pd(py)2(sac)2] (1), cis-[Pt(py)2(sac)2] (2), trans-[Pd(3-acpy)2(sac)2] (3) and cis-[Pt(3-acpy)2(sac)2] (4) (py = pyridine and 3-acpy = 3-acetylpyridine) were synthesized. Elemental anal., UV-visible, IR, NMR and TG/DTA characterizations were carried out. The structures of 1-4 were determined by x-ray diffraction. The Pd(II) and Pt(II) ions are coordinated by two N-bonded sac ligands, and two N atoms of py or 3-acpy, forming a distorted square-planar geometry. The Pd(II) complexes (1 and 3) are trans isomers, while the Pt(II) complexes (2 and 4) are cis isomers. The mononuclear species in the solid state are connected by weak intermol. C-H···O H bonds, C-H···π and π···π stacking interactions. The Pt(II) complexes show significant fluorescence at room temperature

From this literature《Palladium(II) and platinum(II) saccharinate complexes containing pyridine and 3-acetylpyridine: Synthesis, crystal structures, fluorescence and thermal properties》,we know some information about this compound(15227-42-6)Related Products of 15227-42-6, but this is not all information, there are many literatures related to this compound(15227-42-6).

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

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Platinum Metals Review called Antitumor platinum compounds. Relation between structure and activity, Author is Cleare, Michael J.; Hoeschele, J. D., which mentions a compound: 15227-42-6, SMILESS is [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2, Molecular C10H10Cl2N2Pt, Reference of cis-Dichlorobis(pyridine)platinum(II).

A pair of cis leaving groups is necessary but not sufficient for anticancer activity in Pt(II) complexes. The complex should be neutral and the lability of the leaving groups should be about that of Cl in cis-dichlorodiammineplatinum(II) [15663-27-1]. The other ligands should be relatively inert and neutral. Amines are preferred, although varying their structure has not given a clear pattern. However the activity of compounds containing alicyclic amines indicates that some Pt compounds may be highly selective.

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

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1452-77-3, is researched, Molecular C6H6N2O, about Activation of nitriles by silver(I) N-heterocyclic carbenes: An efficient on-water synthesis of primary amides, the main research direction is silver NHC catalyst preparation; nitrile silver NHC catalyst hydration; primary amide preparation.Related Products of 1452-77-3.

A first example of silver(I) N-heterocyclic carbene (Ag(I)-NHC) catalyzed on-water synthesis of primary amides by hydration of nitriles under mild reaction conditions was described. This organometallic catalytic system has excellent tolerance for various homo-aromatic, hetero-aromatic and aliphatic nitriles to afford primary amides in good yields in neat water.

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

Category: tetrahydroisoquinoline. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Interaction of pyridineplatinum(II) complexes with alkyl sulfoxides. Author is de Vekki, D. A..

The reaction of cis- and trans-[Pt(py)2Cl2] and [Pt(py)4]Cl2 with DMSO and Et2SO was studied by NMR. The products of the reaction are pyridine sulfoxide complexes and bis(sulfoxide) complexes. With heating cis/trans isomerization occurred, determining the configuration of the final products.

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

Gupta, Nikitra N.; Punekar, Amrin S.; Raj, Karthik Raja E. K.; Ghodekar, Medha M.; Patil, Vipul S.; Gopinath, Chinnakonda S.; Raja, Thirumalaiswamy published the article 《Phase Transfer Ceria-Supported Nanocatalyst for Nitrile Hydration Reaction》. Keywords: ceria supported rare earth metal oxide preparation characterization; nitrile hydration reaction phase transfer catalyst.They researched the compound: Picolinamide( cas:1452-77-3 ).Recommanded Product: Picolinamide. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1452-77-3) here.

The present study elaborates the catalytic effect of rare-earth metal oxides (Sm2O3 and La2O3) over ceria as a support phase transfer catalyst. The synthesized catalysts have been subjected to different characterization techniques, such as field-emission SEM, high-resolution transmission electron microscopy, powder X-ray diffraction, N2 adsorption-desorption (BET surface anal.), temperature-programmed desorption study (NH3/CO2-TPD), Fourier transform IR, Raman anal., and XPS to get better insights into the catalytic activity of the catalysts for hydration of nitrile.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: cis-Dichlorobis(pyridine)platinum(II)(SMILESS: [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2,cas:15227-42-6) is researched.Related Products of 51856-79-2. The article 《Quantitative measurement of the reduction of platinum(iv) complexes using X-ray absorption near-edge spectroscopy (XANES)》 in relation to this compound, is published in Metallomics. Let’s take a look at the latest research on this compound (cas:15227-42-6).

The platinum(ii) drugs cisplatin, carboplatin and oxaliplatin are usefully employed against a range of malignancies, but toxicities and resistance have spurred the search for improved analogs. This has included investigation of the platinum(iv) oxidation state, which provides greater kinetic inertness. It is generally accepted that Pt(iv) complexes must be reduced to Pt(ii) for activation. As such, the ability to monitor reduction of Pt(iv) complexes is critical to guiding the design of candidates, and providing mechanistic understanding. Here we report in full that the white line height of X-ray absorption near-edge spectra (XANES) of Pt complexes, normalized to the post-edge min., can be used to quant. determine the proportion of each oxidation state in a mixture A series of Pt(iv) complexes based on the Pt(ii) complexes cisplatin and transplatin were prepared with chlorido, acetato or hydroxido axial ligands, and studies into their reduction potential and cytotoxicity against A2780 human ovarian cancer cells were performed, demonstrating the relationship between reduction potential and cytotoxicity. Anal. of white line height demonstrated a clear and consistent difference between Pt(ii) (1.52 ± 0.05) and Pt(iv) (2.43 ± 0.19) complexes. Reduction of Pt(iv) complexes over time in cell growth media and A2780 cells was observed by XANES, and shown to correspond with their reduction potentials and cytotoxicities. We propose that this method is useful for monitoring reduction of metal-based drug candidates in complex biol. systems.

There is still a lot of research devoted to this compound(SMILES：[Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2)Product Details of 15227-42-6, and with the development of science, more effects of this compound(15227-42-6) can be discovered.

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

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Zhurnal Prikladnoi Spektroskopii called Spectral and structural properties of the crystalline complex dichlorodi(pyridine)palladium, Author is Berezin, V. I.; Ganin, V. V.; Kovrikov, A. B.; Lipnitskii, I. V.; Rogalevich, N. L., which mentions a compound: 15227-42-6, SMILESS is [Cl-][Pt+2]([N]1=CC=CC=C1)([Cl-])[N]2=CC=CC=C2, Molecular C10H10Cl2N2Pt, COA of Formula: C10H10Cl2N2Pt.

An IR and Raman spectroscopic investigation of crystalline PdPy2Cl2 was made. The vibrational frequencies were measured in the region from 3500 to 30 cm-1. The assignments of the observed bands were made on the basis of the frequency calculation for trans- and cis-PdPy2Cl2 plane and nonplanar configurations, using force constants, modelled from constants of [Pd(NH3)4]2+ and [PdCl4]2-. The calculation results were used to specify the metal-ligands stretching constants and their interactions.

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

Product Details of 15227-42-6. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about Stereospecific synthesis of cyclobutanol derivatives using a 5 minus 1 methodology and platinum(II). Author is Stewart, Frederick F.; Jennings, P. W..

Cycloaddition reaction of the carbene N2CHCO2Et to norbornene in the presence of Rh(II) gave 95% tricyclic esters I (R = CO2Et), which were reduced with LiAlH4 to give 63% I (R = CH2OH) (II). Kinetic resolution of II by oxidative insertion with Pt(py)2Cl2 gave 93% complex III (R = CH2OH) and its isomer, which underwent stereospecific acid-catalyzed ring expansion to give 70-80% complexes IV (R1 = H, Me, CHO; L = py) and their isomers. Ligand substitution with P(OMe)3 gave 100% IV [L = P(OMe)3], which underwent reductive elimination on heating to give 80-90% III (R = OR1).

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

Related Products of 15227-42-6. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: cis-Dichlorobis(pyridine)platinum(II), is researched, Molecular C10H10Cl2N2Pt, CAS is 15227-42-6, about The infrared spectra (500-150 CM-1) of the platinum complexes cis- and trans-[Pt(pyridine)2X2] (X = Cl, Br, I, SCN).

The IR spectra of cis and trans-[Pt(pyridine)2X2](X = Cl, Br, I, SCN) are discussed. The distinction between the νPt-X bands is based on their relative sensitivities to 15N-labeling and deuteration of the pyridine ring, to halogen substitution and to 15NCS-labeling. Two νPt-N and 2 νPt-X bands are observed in the cis-complexes as required for C2v symmetry. The D2h symmetry of the trans complexes requires 1 νPt-N and 1 νPt-X band but addnl. bands are observed and are ascribed to coupling between νPt-N and νPt-X.

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

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called One-step zwitterionization and quaternization of thick PDMAEMA layer grafted through subsurface-initiated ATRP for robust antibiofouling and antibacterial coating on PDMS, published in 2022-03-15, which mentions a compound: 693-67-4, Name is 1-Bromoundecane, Molecular C11H23Br, Computed Properties of C11H23Br.

In this work, we demonstrate the grafting of thick poly((2-dimethylamino) Et methacrylate) (PDMAEMA) layer on PDMS via subsurface-initiated atom transfer radical polymerization (SSI-ATRP). The self-migration of DMAEMA monomers into the subsurface of PDMS is proven to be the dominant factor for the success of SSI-ATRP. The as-prepared thick microscale graft layer on PDMS shows much better abrasion resistance than nanoscale graft layer obtained by conventional surface-initiated atom transfer radical polymerization (SI-ATRP) under identical condition. Taking advantage of the tertiary amines of PDMAEMA, the simultaneous zwitterionization and quaternization of the PDMAEMA thick layer is realized through a facile one-step process. The effect of zwitterionization and quaternization degree on the antibiofouling and antibacterial properties is investigated. The results show that a relatively high zwitterionization degree (75 mol%) and a low quaternization degree (25 mol%) exhibit a good well-balanced effect on both fouling repellence and bactericidal activity. This work may lead to the development of robust bifunctional antibiofouling and antibacterial surfaces via SSI-ATRP strategy.

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