Category: 56413-95-7

SDS of cas: 56413-95-7. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Heavy metal effects on physicochemical properties of non-aggregated azaphthalocyanine derivatives. Author is Tuhl, Ahmad; Makhseed, Saad; Zimcik, Petr; Al-Awadi, Nouria; Novakova, Veronika; Samuel, Jacob.

Two series of peripherally substituted azaphthalocyanines (AzaPcs) containing different transition metals (Al(III), Zn(II), Ga(III), In(III) and Fe(II)) were synthesized and studied for their photophys. properties. As confirmed by UV-visible and 1H NMR analyses, the non-aggregation behavior was effectively induced by the applied bulky peripheral substituents which had no effect on the photophys. properties. Tuning the Q-band position was clearly achievable by using different central heavy metals which have considerable effects on the fluorescence quantum yield and singlet oxygen generation efficiency. This comparative study showed an interesting linear relation between the former and at. number of the central metal. The indium containing complexes exhibited the best result due to the heavy metal effect and therefore could be promoted as a potential photosensitizer in photodynamic therapy (PDT) application.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

Safety of 5,6-Dichloropyrazine-2,3-dicarbonitrile. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Syntheses and Langmuir-Blodgett film formation of donor-acceptor molecules. Author is Zhu, Daoben; Yang, Chun; Liu, Yunqi; Xu, Yu.

Several novel organic mols. with donor-acceptor structure were designed and synthesized as non-linear optical (NLO) materials. Stable Langmuir films were formed at the air-water interface. Under appropriate exptl. conditions monolayers of these mols. were deposited in a Z-type mode. The Langmuir-Blodgett (LB) films were characterized by UV-visible spectroscopy, SEM and low-angle x-ray diffraction measurement. The NLO behavior of their monolayers was evaluated from second harmonic generation (SHG).

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

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.Gampe, Dominique Mario; Kaufmann, Martin; Jakobi, Doerthe; Sachse, Torsten; Presselt, Martin; Beckert, Rainer; Goerls, Helmar researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).Category: chiral-oxygen-ligands.They published the article 《Stable and Easily Accessible Functional Dyes: Dihydrotetraazaanthracenes as Versatile Precursors for Higher Acenes》 about this compound( cas:56413-95-7 ) in Chemistry – A European Journal. Keywords: dihydrotetraazaanthracene dye; chromophores; cyclization; density functional calculations; nitrogen heterocycles; sensitizers. We’ll tell you more about this compound (cas:56413-95-7).

A series of new dihydrotetraazaanthracenes and one new dihydrotetraazatetracene as substances for applications in organoelectronic devices and as suitable building blocks for higher azaacenes was synthesized. The condensation of aromatic diamines with dichlorodicyanopyrazine led to these tricyclic/tetracyclic compounds Syntheses of N-substituted phenylenediamines were developed to enable the introduction of multiple functional groups such as ester, amino, or nitro groups on the chromophoric system. Relationships between the structure and the spectroscopic properties could be derived from UV/Vis absorption and fluorescence spectroscopy, and by DFT and TD-DFT calculations of mol. and aggregate structures. The absorption spectra are dominated by π-π* transitions of the single mols., whereas aggregation needs to be taken into account to obtain reasonable agreement between theory and experiment in certain cases. Single-crystal x-ray analyses were carried out to examine the morphol. and solid packing effects. Finally, a dihydrotetraazaanthracene was used as a building-block to create a mesoionic octaazapentacene.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile(SMILESS: N#CC1=NC(Cl)=C(Cl)N=C1C#N,cas:56413-95-7) is researched.Related Products of 3685-23-2. The article 《Effective Monofunctional Azaphthalocyanine Photosensitizers for Photodynamic Therapy》 in relation to this compound, is published in Australian Journal of Chemistry. Let’s take a look at the latest research on this compound (cas:56413-95-7).

In this work we present a rational design of the active part of third generation photosensitizers for photodynamic therapy based on phthalocyanine and an azaphthalocyanine core. The preferred zinc complexes of the AAAB type that contain bulky tert-butylsulfanyl substituents (A) and one carboxy group (B) have been synthesized by statistical condensation and fully characterized. The tetramerization was performed using magnesium(ii) butoxide followed by demetalation and insertion of ZnII. Compound 1 synthesized from 4,5-bis(tert-butylsulfanyl)phthalonitrile (A) and 2,3-dicyanoquinoxaline-6-carboxylic acid (B) exerted very promising photophys. properties (Q-band absorption at 726 nm, ε = 140000 M-1 cm-1), which allowed strong absorption of light at long wavelengths where the penetration of the light through human tissues is deeper. The very high singlet oxygen quantum yield of 1 (ΦΔ = 0.80) assures efficient photosensitization. As a result of bulky peripheral substituents, compound 1 shows good solubility in organic solvents with a low degree of aggregation, which makes it potentially viable for noncomplicated modification. One carboxy group in the final structure of 1 allows simple binding to possible carriers. This compound is suitable for binding to targeting moieties to form the highly active part of a third-generation photosensitizer.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ) is researched.COA of Formula: C6Cl2N4.Kopecky, Kamil; Novakova, Veronika; Miletin, Miroslav; Kucera, Radim; Zimcik, Petr published the article 《Synthesis of new azaphthalocyanine dark quencher and evaluation of its quenching efficiency with different fluorophores》 about this compound( cas:56413-95-7 ) in Tetrahedron. Keywords: dark quencher azaphthalocyanine preparation quenching fluorophore; azide alkyne dipolar cycloaddition azaphthalocyanine preparation. Let’s learn more about this compound (cas:56413-95-7).

A new unsym. zinc azaphthalocyanine (AzaPc) was synthesized using statistical condensation of two precursors. Postsynthetic modifications led to incorporation of the azide group that efficiently underwent Cu(I)-catalyzed azide/alkyne 1,3-dipolar cycloaddition with terminal alkyne on a solid phase. The modified solid phase was then used for synthesis of oligodeoxyribonucleotides labeled with AzaPc. DNA hybridization assays confirmed high quenching efficiency (QE>96%) of zinc AzaPc quencher with six different fluorophores ranging in emission maxima from 517 nm to 701 nm (FAM, HEX, Cy3, Cy3.5, Cy5, and Cy5.5).

There are many compounds similar to this compound(56413-95-7)COA of Formula: C6Cl2N4. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.

Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

Reference of 5,6-Dichloropyrazine-2,3-dicarbonitrile. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Synthesis, separation and UV/Vis spectroscopy of pyrazino-quinoxalinoporphyrazine macrocycles. Author is Musil, Zbynek; Zimcik, Petr; Miletin, Miroslav; Kopecky, Kamil; Lenco, Juraj.

Unsym. metal-free and zinc complexes of pyrazino/quinoxalino-porphyrazines (PQP) bearing eight diethylamino groups were synthesized by statistical tetramerization of 2,3-bis(diethylamino)quinoxaline-6,7-dicarbonitrile and 5,6-bis(diethylamino)pyrazine-2,3-dicarbonitrile in lithium butanolate. For this purpose, a new heteroatom-substituted quinoxaline precursor, 2,3-dichloroquinoxaline-6,7-dicarbonitrile, was prepared and characterized. It is a flexible starting material for new building blocks of quinoxaline-6,7-dicarbonitrile derivatives All the PQPs (including adjacent and opposite isomers) from the statistical mixture were detected and separated by column chromatog. on silica and characterized by MALDI-TOF mass spectrometry, IR, UV/visible and NMR spectroscopy. The effect of the insertion of benzene rings into the tetrapyrazinoporphyrazine (TPP) system is discussed. Each benzene ring insertion into the TPP system causes a bathochromic shift of 22 nm; the dependence is linear. The final tetra[6,7]quinoxalinoporphyrazines were red shifted to 744 and 763 nm for the zinc and metal-free derivative, resp. Splitting of the Q-band was observed for PQPs with lower symmetry.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

Synthetic Route of C6Cl2N4. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile, is researched, Molecular C6Cl2N4, CAS is 56413-95-7, about Crystalline salts of the ring-reduced tin(IV) dichloride hexadecachlorophthalocyanine and octachloro- and octacyanotetrapyrazinoporphyrazine macrocycles with strong electron-withdrawing ability. Author is Faraonov, Maxim A.; Romanenko, Nikita R.; Kuzmin, Alexey V.; Konarev, Dmitri V.; Khasanov, Salavat S.; Lyubovskaya, Rimma N..

Substituted tin(IV) dichloride phthalocyanine and tetrapyrazinoporphyrazines with acceptor chloro- or cyano-substituents: SnIVCl2(PcCl16), SnIVCl2(TPyzPzCl8) and SnIVCl2{TPyzPz(CN)8}, where PcCl16 = hexadecachlorophthalocyanine; TPyzPz(CN)8 = octacyanotetrapyrazinoporphyrazine, TPyzPzCl8 = octachlorotetrapyrazinoporphyrazine were synthesized. The reduction of these metallomacrocycles by fullerene {cryptand(Na+)}(C•-60) salt (1, 3 and 4) or potassium graphite (KC8) in the presence of cryptand (2) yields crystalline anionic salts: {cryptand(Na+)}2[SnIVCl2(PcCl4-16)]2-·C6H4Cl2 (1), {cryptand(K+)}2[{SnII(PcCl4-16)}0.926{SnIVCl2(PcCl4-16)}0.074]2-·2C6H4Cl2 (2), {cryptand(Na+)}[SnIVCl2{TPyzPz(CN)•3-8}]•-·C6H4Cl2 (3) and {cryptand(Na+)}2[SnIVCl2(TPyzPzCl4-8)]2-·2C6H4Cl2 (4). Reduction of SnIVCl2(macrocycle2-) with dianion macrocycles is accompanied by the formation of radical trianion or tetraanion macrocycles in 1-4. As stronger reductant, KC8 reduces the macrocycle and in addition nearly complete metal centered reduction from tin(IV) to tin(II) took place. Strong blue shift of the Q-band and new absorption bands are observed in the NIR range in the spectra of 1-4. Partial disruption of macrocycle aromaticity and alternation of the C – Nmeso bonds were found for the reduced macrocycles. Macrocycles are planar, and SnIV atoms are positioned exactly in the macrocycle plane. The only exception is strong distortion of the PcCl16 macrocycle in SnII(PcCl4-16) (2). Structures of 1-4 contain layers from the macrocycles having the side-by-side contacts in 1, 2, 4 and separated by cationic layers. Salt 3 presents the first structure of the TPyzPz(CN)8 macrocycle with strongest acceptor properties among known porphyrins and porphyrazines. It was shown that tetraanion macrocycles are diamagnetic in 1, 2 and 4. The [SnIVCl2{TPyzPz(CN)8•3-}]•- radical anions are paramagnetic in 3 with effective magnetic moment of 1.64μB, and salt 3 shows moderate antiferromagnetic coupling of spins with Weiss temperature of -14 K.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Syntheses and characterization of push-pull tetrapyrazino[2,3-b]indoloporphyrazines》. Authors are Jaung, Jae-Yun; Matsuoka, Masaru; Fukunishi, Koushi.The article about the compound:5,6-Dichloropyrazine-2,3-dicarbonitrilecas:56413-95-7,SMILESS:N#CC1=NC(Cl)=C(Cl)N=C1C#N).Application In Synthesis of 5,6-Dichloropyrazine-2,3-dicarbonitrile. Through the article, more information about this compound (cas:56413-95-7) is conveyed.

The synthesis of tetrakis(indolopyrazino)porphyrazines by ring-closure reactions of 2,3-dichloro-5,6-dicyanopyrazine with enamines is described. Alkylated tetrakis(indolopyrazino)porphyrazines have push-pull intramol. charge-transfer chromophoric systems and show good solubility in most organic solvents. Large spectral changes caused by mol. aggregation of these dyes affected by solvent polarity and temperature were studied.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

Tomura, Masaaki; Tanaka, Shoji; Yamashita, Yoshiro published the article 《Synthesis, structure and properties of the novel conducting dithiolato-metal complexes having dicyanopyrazine moieties》. Keywords: crystal structure TTF palladium cyanopyrazinethiolate 2345; TTF salt nickel palladium cyanomercaptopyrazine complex; pyrazine cyanomercapto nickel palladium complex TTF; elec conductivity TTF nickel palladium cyanomercaptopyrazine; thiolate cyanopyrazinedi nickel palladium complex; tetrathiafulvalene nickel palladium cyanopyrazinethiolate.They researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).Related Products of 56413-95-7. 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:56413-95-7) here.

Novel dithiolato-metal complexes from 2,3-dicyano-5,6-dimercaptopyrazine (H2dcdmp) ligands were synthesized, and their TTF salts, (TTF)5[M(dcdmp)2]2 (M = Ni or Pd), were obtained by the diffusion method in MeCN. The elec. conductivities of these complexes at room temperature are 10-2-10-3 S cm-1. The x-ray structural anal. of (TTF)5[Pd(dcdmp)2]2 indicates that 2 Pd(dcdmp)2 mols. and 1 TTF mol. form 2:1 mixed stacks along the c axis, and other TTF mols. stack along the b axis. A number of intermol. S···N and S···S heteroatom contacts within the sum of van der Waals radii are observed in the crystal.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate

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: 56413-95-7, is researched, Molecular C6Cl2N4, about Heavy metal effects on physicochemical properties of non-aggregated azaphthalocyanine derivatives, the main research direction is metal azaphthalocyanine derivative complex preparation fluorescence singlet oxygen yield.HPLC of Formula: 56413-95-7.

Two series of peripherally substituted azaphthalocyanines (AzaPcs) containing different transition metals (Al(III), Zn(II), Ga(III), In(III) and Fe(II)) were synthesized and studied for their photophys. properties. As confirmed by UV-visible and 1H NMR analyses, the non-aggregation behavior was effectively induced by the applied bulky peripheral substituents which had no effect on the photophys. properties. Tuning the Q-band position was clearly achievable by using different central heavy metals which have considerable effects on the fluorescence quantum yield and singlet oxygen generation efficiency. This comparative study showed an interesting linear relation between the former and at. number of the central metal. The indium containing complexes exhibited the best result due to the heavy metal effect and therefore could be promoted as a potential photosensitizer in photodynamic therapy (PDT) application.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate