Category: 75732-01-3

Product Details of 75732-01-3. 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 Intermediate as Catalyst: Catalytic Asymmetric Conjugate Addition of Nitroalkanes to α,β-Unsaturated Thioamides. Author is Ogawa, Takanori; Mouri, Shinsuke; Yazaki, Ryo; Kumagai, Naoya; Shibasaki, Masakatsu.

Catalytic asym. conjugate addition of nitroalkanes to α,β-unsaturated thioamides is promoted by a mesitylcopper/(R)-DTBM-Segphos precatalyst, affording γ-nitrothioamides in moderate to high syn-selectivity and excellent enantioselectivity. The intermediate Cu-thioamide enolate functions as a soft Lewis acid/hard Bronsted base cooperative catalyst to drive the catalytic cycle efficiently under proton transfer conditions.

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

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Mesitylcopper(I)( cas:75732-01-3 ) is researched.Category: iodides-buliding-blocks.Davies, Robert P.; Hornauer, Stefan; Hitchcock, Peter B. published the article 《Structural studies on a lithium organo-amidocuprate in the solid state and in solution》 about this compound( cas:75732-01-3 ) in Angewandte Chemie, International Edition. Keywords: organo amidocuprate preparation structure solid state solution; dibenzylamido mesityl cuprate lithium complex preparation crystal mol structure. Let’s learn more about this compound (cas:75732-01-3).

A lithium amidocuprate complex has been characterized in the solid state and shown to adopt a head-to-tail conformation. 2D NMR spectroscopic studies show the presence of several structural isomers in solution, including a head-to-head isomer, resulting from Schlenk equilibrium The presence of these isomers is postulated to have a significant influence on heterocuprate reactivity.

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

Related Products of 75732-01-3. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Preparation of thermally stable and soluble mesitylcopper(I) and its application in organic synthesis. Author is Tsuda, Tetsuo; Yazawa, Tetsuo; Watanabe, Katsuhiko; Fujii, Tomoyuki; Saegusa, Takeo.

Mesitylcopper(I) (I) was prepared and isolated by the reaction of mesitylmagnesium bromide and CuCl. I is a unique organocopper(I) compound, which is thermally stable up to 100° and is highly soluble in common organic solvents. I may be utilized in organic synthesis as an efficient metalation reagent and as a useful “”holding group”” in mixed lithium cuprate reagents. I metalated amine, alc. and mercaptan to produce Cu(I) amide, alkoxide and mercaptide, resp. I reacted with alkyllithium (RLi) to form a soluble mixed cuprate reagent II, which effected a selective conjugate addition of the R group to cyclohexenone and trans-2-hexenal. A reagent produced by the reaction of I and LiAlH4 effected the regioselective 1,4-reduction of cyclohexenone in a mixed solvent of THF and (Me2N)3PO.

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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 Soluble Zintl Phases A14ZnGe16 (A = K, Rb) Featuring [(η3-Ge4)Zn(η2-Ge4)]6- and [Ge4]4- Clusters and the Isolation of [(MesCu)2(η3,η3-Ge4)]4-: The Missing Link in the Solution Chemistry of Tetrahedral Group 14 Element Zintl Clusters, published in 2012-09-05, which mentions a compound: 75732-01-3, Name is Mesitylcopper(I), Molecular C9H11Cu, Application of 75732-01-3.

The number of Zintl phases containing polyhedral clusters of tetrel elements that are accessible for chem. reactions of the main-group element clusters is rather limited. The synthesis and structural characterization of two novel ternary intermetallic phases A14ZnGe16 (A = K, Rb) are presented, and their chem. reactivity was studied. The compounds can be rationalized as Zintl phases with 14 alkali metal cations A+ (A = K, Rb), two tetrahedral [Ge4]4- Zintl anions, and one anionic heterometallic [(Ge4)Zn(Ge4)]6- cluster per formula unit. The Zn-Ge cluster comprises two (Ge4) tetrahedra linked by a Zn atom, with one (Ge4) tetrahedron coordinating with a triangular face (η3) and the other one with an edge (η2). [(η3-Ge4)Zn(η2-Ge4)]6- is a new isomer of the [(Ge4)Zn(Ge4)]6- anion in Cs6ZnGe8. The phases dissolve in liquid NH3 and thus represent rare examples of soluble Zintl compounds with deltahedral units of Group 14 element atoms. Compounds with tetrahedral [E4]4- species were previously isolated from solution for E = Si, Sn, and Pb, and the current study provides the missing link for E = Ge. Reaction of an NH3 solution of K14ZnGe16 with MesCu (Mes = 2,4,6-Me3C6H2) in the presence of [18]-crown-6 (1,4,7,10,13,16-hexaoxacyclooctadecane) yielded crystals of [K([18]-crown-6)]2K2[(MesCu)2Ge4](NH3)7.5 with the polyanion [(MesCu)2Ge4]4-. This MesCu-stabilized tetrahedral [Ge4]4- cluster also completes [(MesCu)2Si4-xGex]4- clusters, which were previously isolated from solution for x = 0 and 0.7, as the end member with x = 4. The electronic structures of [(Ge4)Zn(Ge4)]6- and [(MesCu)2Ge4]4- were studied in terms of a MO description and analyses of the electron localization functions. The results are compared with band structure calculations for the A14ZnGe16 phases (A = K, Rb).

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

Name: Mesitylcopper(I). The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about In situ Catalytic Generation of Allylcopper Species for Asymmetric Allylation: Toward 1H-Isochromene Skeletons. Author is Kawai, Junya; Chikkade, Prasanna Kumara; Shimizu, Yohei; Kanai, Motomu.

Allylcopper species can be generated in situ via catalytic intramol. oxycupration of allenic alc. The allylcopper can react with various aldehydes and a ketone to give 1H-isochromene derivatives enantioselectively. The protocol is atom-economical, highly regioselective, stereoconvergent, and tolerant to free OH groups. Thus, e.g., enantio- and regioselective oxycupration/asym. addition cascade reaction of allenic alc. I with benzaldehyde in presence of mesitylcopper and chiral diphosphine ligand in HMPA/THF afforded isochromene II (98% yield, 92% ee).

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

Heilmann, Julia B.; Scheibitz, Matthias; Qin, Yang; Sundararaman, Anand; Jaekle, Frieder; Kretz, Tonia; Bolte, Michael; Lerner, Hans-Wolfram; Holthausen, Max C.; Wagner, Matthias published the article 《A synthetic route to borylene-bridged poly(ferrocenylene)s》. Keywords: review borylene bridged polyferrocenylene preparation.They researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Electric Literature of C9H11Cu. 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:75732-01-3) here.

A review on synthesis of soluble ferrocene-containing polymer. Iron chains: The highly soluble, ferrocene-containing polymer [-fc-B(Mes)-]n (fc = Fe(C5H4)2, Mes = mesityl), with an average chain length of about 16 repeat units (n = 16), is readily accessible by a novel polycondensation reaction starting from fc(BBr2)2 and HSiEt3. The polymer contains three-coordinate boron centers, which are well-suited for the promotion of electron delocalization along the polymer chain.

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

Synthetic Route of C9H11Cu. 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: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Copper(I) alkoxides: preparation and structural characterisation of triphenylmethoxocopper(I) and of an octanuclear form of t-butoxocopper(I).

Two Cu(I) alkoxides, the novel compound triphenylmethoxocopper(I) and an octanuclear form of t-butoxocopper(I), were prepared from mesitylcopper(I) and the relevant alc. [Cu4(OCPh3)4]·2C6H5CH3 (1) and [Cu8(OtBu)8] (2) were characterized by crystal structure determination Compound 1 contains two crystallog. independent triphenylmethoxocopper(I) mols., each with a planar Cu4 core. The Cu4O4 unit is butterfly-shaped with the O ligands situated alternately ∼0.4 A above and below the plane through the Cu atoms, and the triphenylmethyl groups spread out over both sides of the Cu4O4 core. The Cu(I) centers are two-coordinated with distances of 1.83(1)-1.86(1) A and O-Cu-O angles of 169.4(5)°. [Cu8(OtBu)8] (2) can be described as being composed of two approx. planar Cu4O4 cores, each with the t-Bu groups bent away in the same direction from the Cu4O4 plane. These units are related to one another by a center of symmetry and with weak Cu-O interactions of 2.493(5) and 2.536(5) A, involving four of the eight coppers, thus yielding an octanuclear Cu8O8 core. These four Cu(I) centers thus attain T-shaped three-coordination by O, whereas the remaining four are approx. linearly coordinated. The short Cu-O bond lengths in 2 range from 1.844(5) to 1.888(5) A.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Mesitylcopper(I)(SMILESS: [Cu]C1=C(C)C=C(C)C=C1C,cas:75732-01-3) is researched.Quality Control of 2,4-Dimethyl-1H-pyrrole. The article 《Bimetallic Ru-Cu Nanoparticles Synthesized in Ionic Liquids: Kinetically Controlled Size and Structure》 in relation to this compound, is published in Topics in Catalysis. Let’s take a look at the latest research on this compound (cas:75732-01-3).

The authors report a new synthesis of size-controlled bimetallic Ru-Cu nanoparticles (NPs) in ionic liquids using two organometallic precursors. Enough, upon mixing ruthenium and copper precursors, smaller bimetallic NPs (1.9-2.8 nm) are formed as compared to single metals (Cu: 5 nm; Ru: 4 nm) in a large range of copper molar fractions (χCu = 0.005-0.91). Surface and microscopy techniques evidence that NPs have metallic copper on the surface and crystalline hcp. metallic ruthenium core. This structure is further assessed by the catalytic activity of the bimetallic NPs, showing that conversion of benzene in cyclohexane is reduced with increasing χCu.

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

Application of 75732-01-3. 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: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about 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.

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

Reference of Mesitylcopper(I). 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: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Cyclo-Tetrakis(μ-2,4,6-trimethylphenyl-κC1:κC1)bis(trimethylphosphane)-1κP,3κP-tetracopper(I). Author is Liebing, Phil; Merzweiler, Kurt.

The title compound, [Cu4(C9H11)4(C3H9P)2] or [Cu4(Mes)4(PMe3)2] (Mes = 2,4,6-trimethylphenyl), was synthesized from copper(I) mesityl and trimethylphosphane in THF as solvent. The mol. structure of the complex has C2 symmetry and consists of four copper(I) atoms bridged by four μ-mesityl groups, giving an eight-membered puckered {Cu4C4} ring. Addnl., two copper(I) atoms at opposite corners of the Cu4 rhomb are each linked to a terminal PMe3 ligand. The PMe3-bearing copper(I) atoms exhibit a distorted trigonal-planar coordination mode whereas the remaining Cu atoms linked to two mesityl groups are nearly linearly coordinated.

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