Tag: M.W=100-200

Safety of Mesitylcopper(I). Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Monomeric bis(η2-alkyne) complexes of (η1-mesityl)copper(I) and (η1-mesityl)silver (I) obtained from a bis(alkynyl)titanocene; x-ray structure of [(η5-C5H4SiMe3)2Ti(CCSiMe3)2]Cu(η1-Mes) (Mes = C6H2Me3-2,4,6). Author is Janssen, Maurits D.; Herres, Mathias; Spek, Anthony L.; Grove, David M.; Lang, Heinrich; van Koten, Gerard.

Polynuclear mesitylcopper and mesitylsilver react with (η5-C5H4SiMe3)2Ti(CCSiMe3)2 (1) to afford monomeric I (Mes = C6H2Me3-2,4,6), and the silver analog, in which both alkyne moieties of the 3-titanopenta-1,4-diyne unit are η2-coordinated to a MesCu(Ag) unit.

From this literature《Monomeric bis(η2-alkyne) complexes of (η1-mesityl)copper(I) and (η1-mesityl)silver (I) obtained from a bis(alkynyl)titanocene; x-ray structure of [(η5-C5H4SiMe3)2Ti(CCSiMe3)2]Cu(η1-Mes) (Mes = C6H2Me3-2,4,6)》,we know some information about this compound(75732-01-3)Safety of Mesitylcopper(I), but this is not all information, there are many literatures related to this compound(75732-01-3).

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Computed Properties of C3H7ClO2. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Production of highly optically active (R)-3-chloro-1,2-propanediol using a bacterium assimilating the (S)-isomer. Author is Suzuki, Toshio; Kasai, Naoya; Yamamoto, Ryoichi; Minamiura, Noshi.

A bacterium that assimilates (S)-3-chloro-1,2-propanediol [monochlorohydrin (MCH)] was isolated from soil by enrichment culture. The bacterium was identified as Pseudomonas sp. by taxonomic studies. The strain grew in a medium containing racemic MCH as a source of carbon and degraded (S)-MCH stereoselectively, liberating chloride ions. The residual isomer was the (R)-form [99.5% enantiomeric excess (ee)], which was obtained from the racemate in a final yield of 36% by using this strain. Subsequently, highly optically active (R)-glycidol (GLD) (99.3% ee) was prepared from the (R)-MCH obtained by reaction in alk. solution The cell-free extracts of the cells had both dehalogenating and epoxide-opening activities, which converted various halohydrins to the corresponding epoxides and epoxides to the corresponding diols, resp.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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, Chemical Science called Catalytic enantioselective synthesis of 2-(2-hydroxyethyl)indole scaffolds via consecutive intramolecular amido-cupration of allenes and asymmetric addition of carbonyl compounds, Author is Chikkade, Prasanna Kumara; Shimizu, Yohei; Kanai, Motomu, which mentions a compound: 75732-01-3, SMILESS is [Cu]C1=C(C)C=C(C)C=C1C, Molecular C9H11Cu, Application In Synthesis of Mesitylcopper(I).

A catalytic enantioselective method for the synthesis of 2-(2-hydroxyethyl)indole scaffolds was developed. The process included catalytic intramol. amido-cupration of an allene to generate a novel allylcopper species, followed by asym. addition of the thus-generated chiral nucleophile to aldehydes and ketones. This was the first example of catalytic indole formation coupled with asym. C-C bond formation via in situ generation of a reactive chiral allylcopper species.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 75732-01-3, is researched, SMILESS is [Cu]C1=C(C)C=C(C)C=C1C, Molecular C9H11CuJournal, Article, Dalton Transactions called Electronic effect of a perfluorinated β-diketiminate ligand on the bonding nature of copper carbonyl complexes, Author is Huse, Kevin; Weinert, Hanns; Woelper, Christoph; Schulz, Stephan, the main research direction is copper perfluorinated beta diketiminate DFT structure.Recommanded Product: 75732-01-3.

Two copper complexes 17Fnac2Cu(C6H6) and 17Fnac2CuCO containing the monoanionic, perfluorinated β-diketiminate 17Fnac2- ligand (I) (17Fnac2 = FC[C(CF3)N(C6F5)]2) were synthesized and characterized by IR and NMR spectroscopy (1H, 13C, 19F), cyclovaltammometry (CV), elemental anal. and single crystal X-ray diffraction. The perfluorinated 17Fnac2- ligand marginally reduces the π-back-bonding capacity of the copper center to the carbonyl group in 17Fnac2CuCO when compared with the corresponding 16Fnac2- substituted complexes but substantially when compared with the fluorine free substituted derivatives Quantum chem. calculations gave deeper insight into the bonding situation of this carbonyl complex, while CV studies were performed to determine the oxidation potential of 17Fnac2Cu(C6H6) in solution Based on these data, the influence of the degree of fluorination in different β-diketimine ligands on the electronic nature of the corresponding copper complexes is discussed.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Quality Control of Mesitylcopper(I). 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: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Structural diversity of calcium organocuprates(I): Synthesis of mesityl cuprates via addition and transmetalation reactions of mesityl copper(I). Author is Krieck, Sven; Goerls, Helmar; Westerhausen, Matthias.

The addition of [(L)4Ca(I)Mes] (Lewis base L = thf, Et2O) to mesityl copper(I) and the transmetalation reaction of mesityl copper(I) with activated calcium are suitable pathways for the synthesis of dimesityl cuprates(I) of calcium. However, the structures of the calcium cuprates(I) depend on the preparative procedure. The transmetalation reaction leads to the formation of [Mes-Cu-Mes]- anions whereas the addition yields dinuclear [(Mes-Cu)2(μ-Mes)]- anions. The solvent-separated counterions are [Ca(thf)6]2+ and [(thf)5CaI]+, resp. In contrast to these findings, the addition of [(L)4Ca(I)Mes] to mesityl copper(I) in an Et2O/toluene mixture led to formation of tetrameric solvent-free iodocalcium dimesityl cuprate(I) [ICa(μ-η1,η6-Mes2Cu)]4, representing a rare example of a heavy Normant-type organocuprate.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 60827-45-4. 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: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Solid Phase Behavior, Polymorphism, and Crystal Structure Features of Chiral Drug Metaxalone.

In addition to the previously known A-rac and B-rac polymorphs of the chiral drug metaxalone 1, an enantiopure A-(S)-form was obtained and studied. According to x-ray anal., the crystalline organization of this form is close to the A-rac-1 polymorph. Crystallization of metaxalone melts is accompanied by the formation of a previously unknown metastable C-phase, which in the case of both racemic and enantiomeric samples are transformed into A-rac-1 or A-(S)-1. Anal. of the PXRD and IR spectra of crystalline samples revealed a similarity of the internal structure for the A-(S)-1, A-rac-1, C-(S)-1, and C-rac-1 crystalline forms and the essential difference of all of these phases from the B-rac-1 phase. According to the thermochem. data, the dependences of the change in the Gibbs free energy for all the phases studied are plotted in the interval from the m.p. to 20°. Under standard conditions, the crystalline modifications of metaxalone, relative to ΔG0, form such a series: B-rac-1 < A-(S)-1 ≈ A-rac-1 < C-rac-1 < C-(S)-1. A model that describes all the exptl. revealed features of metaxalone crystallization is proposed. From this literature《Solid Phase Behavior, Polymorphism, and Crystal Structure Features of Chiral Drug Metaxalone》,we know some information about this compound(60827-45-4)Related Products of 60827-45-4, but this is not all information, there are many literatures related to this compound(60827-45-4).

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Direct catalytic asymmetric intramolecular conjugate addition of thioamide to α,β-unsaturated ester, published in 2011, which mentions a compound: 75732-01-3, mainly applied to indenethiocarboxamide enantioselective preparation; thioamide unsaturated ester asym intramol conjugate addition copper catalyst, Formula: C9H11Cu.

A direct catalytic asym. intramol. conjugate addition of thioamide to α,β-unsaturated esters is reported. Catalytic generation of a thioamide enolate with a soft Lewis acid/hard Bronsted base cooperative catalyst was the key to the efficient catalysis. A mesitylcopper/(S)-Xyl-P-Phos catalyst exhibited high catalytic performance.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 75732-01-3. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Organoborane Acceptor-Substituted Polythiophene via Side-Group Borylation. Author is Li, Haiyan; Sundararaman, Anand; Venkatasubbaiah, Krishnan; Jaekle, Frieder.

Organoborane acceptor-modified polythiophene was prepared from silylated polythiophene via a new polymer modification strategy. The attachment of electron-deficient dimesitylboryl groups leads to a significant decrease of the LUMO levels as evidenced by a strong bathochromic shift in the UV-visible absorption and emission spectra and the observation of reversible reduction waves in the cyclic voltammogram at significantly less cathodic potentials than for the silylated precursor polymer. The modification of conjugated polymers with electron-deficient boryl groups provides a new design principle for the preparation of electronically interesting materials.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Category: iodides-buliding-blocks. 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: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Application of cyclic sulfates in the synthesis of enantiomers of 1-[3-(4-aryl-piperazin-1-yl)-2-hydroxy-propyl]-pyrrolidin-2-one. Author is Kulig, Katarzyna; Boba, Agnieszka; Bielejewska, Anna; Gorska, Magdalena; Malawska, Barbara.

The synthesis of enantiomers of 1-[3-(4-aryl-piperazin-1-yl)-2-hydroxy-propyl]-pyrrolidin-2-one derivatives, i.e. I, is described. These enantiomers were synthesized starting from (R)- or (S)-1-chloro-2,3-dihydroxypropane using relevant cyclic sulfates as chiral intermediates. The enantiomeric purities of the final compounds were in the range of 99.3-100.0%, as determined by high performance liquid chromatog. The final compounds were found to display moderate potency as ligands for α1-adrenoreceptors.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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 Copper(II) is harder than copper(I): a novel mixed-valence example from alkoxide chemistry, published in 2003-03-31, which mentions a compound: 75732-01-3, Name is Mesitylcopper(I), Molecular C9H11Cu, SDS of cas: 75732-01-3.

Partial oxidation or disproportionation of tetrameric 2-allyl-6-methylphenoxocopper(I) leads to the formation of a novel trinuclear mixed-valence Cu(I)/Cu(II) alkoxide [Cu3[μ-η2-OC6H3-6-Me-2-(CH2CH:CH2)-κO]4], in which the central copper(II) atom is coordinated in a distorted square-planar configuration by four μ-oxide ligands, whereas the peripheral copper(I) centers are each bonded to two C:C groups and two μ-oxide ligands in a tetrahedral arrangement.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com