Category: 75732-01-3

Synthetic Route of C9H11Cu. 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 An Expeditious Synthesis of Sialic Acid Derivatives by Copper(I)-Catalyzed Stereo-divergent Propargylation of Unprotected Aldoses. Author is Wei, Xiao-Feng; Shimizu, Yohei; Kanai, Motomu.

We developed a copper(I)-catalyzed stereo-divergent anomeric propargylation of unprotected aldoses as a facile synthetic pathway to a broad variety of sialic acid derivatives The soft allenyl-copper(I) species, catalytically generated from stable allenyl-boronic acid pinacolate, is unusually inert to protonolysis by the multiple hydroxy groups of the substrates and thereby functions as a carbon nucleophile. The key additive B(OMe)3 facilitated ring-opening of the non-electrophilic cyclic hemiacetal forms of aldoses to the reactive aldehyde forms. The chirality of the catalyst, and not the internal stereogenic centers of substrates, predominantly controlled the stereochem. of the propargylation step; i.e., the diastereoselectivity was switched simply by changing the catalyst chirality. This is the first non-enzyme catalyst-controlled stereo-divergent C-C bond elongation at the anomeric center of unprotected aldoses, which contain multiple protic functional groups and stereogenic centers. The propargylation products can be expeditiously transformed into naturally occurring and synthetic sialic acid derivatives in a simple three-step sequence. This synthetic method, which requires no protecting groups, can be performed on a gram-scale and thus offers general and practical access to various sialic acid derivatives from unprotected aldoses.

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Reference:
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.Recommanded Product: 75732-01-3.Gustafsson, Bjorn; Hakansson, Mikael; Westman, Gunnar; Jagner, Susan published the article 《A tetrameric copper(I) alkoxide with a π-tethered ligand: 2-allyl-6-methylphenoxocopper(I)》 about this compound( cas:75732-01-3 ) in Journal of Organometallic Chemistry. Keywords: tetrameric copper alkoxide pi tethered ligand preparation crystal structure; allyl methylphenoxo copper tetrameric cubane type preparation crystal structure; mesitylcopper reaction allyl methylphenol. Let’s learn more about this compound (cas:75732-01-3).

The complex 2-allyl-6-methylphenoxocopper(I) has been prepared by reaction between mesitylcopper(I) and 2-allyl-6-methylphenol. Crystallog. studies show that the compound is tetrameric with a distorted cubane-type copper(I)-oxygen core, and with addnl. π-coordination of the ligand to copper through the alkene functionality (ν(C:C) = 1520 cm-1). The ligands thus act both as chelates and as bridges between adjacent copper(I) centers. Copper(I) exhibits trigonal pyramidal coordination geometry with Cu-C distances to the C:C group of 1.976(9) and 2.017(11) Å and Cu-O distances of 1.973(6), 2.021(6) and 2.577(6) Å, resp.

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

Li, Haiyan; Jakle, Frieder published the article 《Conjugated alternating copolymers with 4,4′-dimesitylboryl-2,2′-bithiophene as a building block》. Keywords: dimesitylborane thiophene copolymer phtophys electochem property.They researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Safety of Mesitylcopper(I). 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.

The functionalization of polythiophene with dimesitylborane π-acceptor groups has a strong effect on the conjugated polymer backbone, resulting in interesting optical and electronic properties. To investigate the interplay between the electron-deficient organoborane substituents and the conjugated polymer main chain, a series of alternating copolymers was prepared Several aromatic building blocks that are commonly used in organic semiconductors, i.e. fluorene, carbazole, and triphenylamine, were chosen as comonomers for combination with 4,4′-diboryl-2,2′-bithiophene units. First, the trimethylsilyl-substituted copolymers PFT-Si, PCT-Si, and PTT-Si were prepared via standard Suzuki coupling reaction of 5,5′-diiodo-4,4′-bis(trimethylsilyl)-2,2′-bithiophene and the resp. pinacolborane-functionalized aromatic comonomer. Subsequent post-polymerization modification reactions, which involved treatment with BBr3 and then mesitylcopper, led to three borylated copolymers, PFT-B, PCT-B, and PTT-B. The ds.p. (DPn) and the polydispersities are consistent with those of the silylated precursor polymers. The photophys. and electrochem. properties of these new polymers have been studied in detail.

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

Wei, Xiao-Feng; Xie, Xiao-Wei; Shimizu, Yohei; Kanai, Motomu published an article about the compound: Mesitylcopper(I)( cas:75732-01-3,SMILESS:[Cu]C1=C(C)C=C(C)C=C1C ).Computed Properties of C9H11Cu. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:75732-01-3) through the article.

A copper(I)-catalyzed enantioselective addition of enynes to ketones was developed. The method allows facile construction of enantiomerically enriched tertiary alcs. using skipped enynes as stable hydrocarbon pronucleophiles. The combination of a soft copper(I)-conjugated Bronsted base catalyst with a chiral diphosphine ligand, (S,S)-Ph-BPE, enabled chemoselective deprotonation of the skipped enynes in the presence of ketones bearing intrinsically more acidic α-protons. The catalytically generated chiral allylcopper species enantio-, diastereo-, regio-, and chemoselectively reacted with ketones, thereby demonstrating excellent substrate generality with functional group tolerance. The skipped enyne moieties of the pronucleophiles were exclusively converted to cis-conjugated enynes, which will eventually allow for further versatile transformations.

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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, Article, Inorganic Chemistry called Synthesis and Structures of Group 11 Metal Triazenide Complexes: Ligand Supported Metallophilic Interactions, Author is Johnson, Andrew L.; Willcocks, Alexander M.; Richards, Stephen P., which mentions a compound: 75732-01-3, SMILESS is [Cu]C1=C(C)C=C(C)C=C1C, Molecular C9H11Cu, Computed Properties of C9H11Cu.

A homologous and homoleptic series of stable Group 11 metal triazenide complexes with the general formula [M(L’)]n (M = Cu or Au, n = 2; M = Ag, n = 3) featuring the bulky triazenide ligand N,N’-bis(2,6-di-isopropylphenyl)triazene, L’H, have been prepared by the reaction of Li[L’] with the metal chlorides, CuCl, AgCl, and [(THT)AuCl], resp., in a 1:1 stoichiometric ratio. The compounds [Cu2(L’)2] and [Au2(L’)2] crystallized as dimers with M···M separations of 2.4458(4) Å and 2.6762(4) Å, resp. In comparison, the reaction of AgCl with Li[L’] results in the formation of the tri-silver complex [Ag3(L’)3] with Ag···Ag separations of 3.01184(17) Å, 2.95329(17) Å, and 2.92745(16) Å. Attempts to react the parent triazene system L’H with [Cu(mesityl)] resulted in the formation of the novel tri-copper system [Cu3(L’)2(mesityl)]. In all cases the mol. structures of the resultant complexes have been unambiguously determined by single crystal X-ray diffraction experiments

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

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: 75732-01-3, is researched, Molecular C9H11Cu, about Heterometallic Fluoroalkoxides of Barium and Copper(I). Syntheses and Structures of [(Me3NO)2Ba2Cu4(TFTB)8] and [(THF)2Ba2Cu2(HFTB)6], the main research direction is crystal structure barium copper fluoroalkoxide complex; barium copper fluoroalkoxide complex preparation structure; alkoxide fluoro barium copper preparation structure.Category: iodides-buliding-blocks.

Reaction of HORF and in situ synthesized [Ba(ORF)2] (from Ba[N(SiMe3)2]2(THF)2 and HORF) with CuMes yields, in THF, [(THF)2Ba2Cu2(OCMe(CF3)2)6] (1). In the case of HORF = HOCMe2CF3, only upon addition of Me3NO is a soluble product obtained: [(Me3NO)2Ba2Cu4(OCMe2CF3)8] (2). 1 And 2 were characterized by x-ray crystallog. (1: triclinic, space group P1̅, R = 0.0557; 2: monoclinic, space group C2/c, R = 0.0643). 1 Has a square-planar Ba2Cu2O4 core structure with two addnl. alkoxides bridging the two bariums, giving the barium a tbp coordination environment. The structure of 2 is markedly different in that it has one more Cu-(OR) unit inserted into the Ba-(OR)-Ba unit. This gives the Ba2Cu4 core structure the shape of an octahedron and barium a square-pyramidal coordination environment. These structures are compared and contrasted with the structures of [Ba2Cu4(OCEt3)8], [(Et3PO)2Ba2Cu4(OtBu)8], and [(Me3NO)2Ba2Cu4(OtBu)8].

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

Safety of 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 Copper(I) Complexes of a Heavily Fluorinated β-Diketiminate Ligand: Synthesis, Electronic Properties, and Intramolecular Aerobic Hydroxylation. Author is Laitar, David S.; Mathison, Casey J. N.; Davis, William M.; Sadighi, Joseph P..

The aza-Wittig reaction between Arf-N:PPh3 [Arf = 3,5-(CF3)2C6H3] and 1,1,1,5,5,5-hexafluoro-2,4-pentanedione affords a new, highly fluorinated β-diketimine, 1. Metalation by mesitylcopper(I) in benzene gives rise to the Cu(I) β-diketiminate as its η2-benzene adduct, 2a. Cu(I) carbonyl complexes of 1, and of three less-fluorinated analogs, were generated in situ and compared by IR spectroscopy; the two backbone CF3 groups exert a stronger electronic influence than the four N-aryl CF3 groups. Dinuclear adduct 2b reacts readily with O2, leading to ortho-hydroxylation of a ligand N-Arf group.

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

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.Aalten, Henk L.; Van Koten, Gerard; Goubitz, Kees; Stam, Casper H. researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).HPLC of Formula: 75732-01-3.They published the article 《A stable trinuclear mixed (organic)(organo)copper cluster: synthesis and structure of bis(benzoato)(mesityl)tricopper(I)》 about this compound( cas:75732-01-3 ) in Journal of the Chemical Society, Chemical Communications. Keywords: crystal structure bisbenzoatomesityltricopper; copper bisbenzoatomesityl crystal structure; benzoatomesitylcopper crystal structure. We’ll tell you more about this compound (cas:75732-01-3).

The interaggregate exchange reaction of Cu5(C6H2Me3-2,4,6)5 with Cu4(OBz)4 in C6H6 or PhMe gave 40% of the title trinuclear cluster (I). The structure of I was determined by x-ray crystallog. anal.; results were refined to R 0.059 for 1627 reflections. I possesses 2-bridging benzoato groups and 1 bridging, 3-center, 2-electron bonded mesityl group.

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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 A simplified catalytic system for direct catalytic asymmetric aldol reaction of thioamides; application to an enantioselective synthesis of atorvastatin, published in 2011, which mentions a compound: 75732-01-3, mainly applied to atorvastatin enantioselective synthesis; ketoester preparation amination cyclization; hydroxyalkyl thioamide preparation lithium reagent; thioamide aldehyde aldol reaction Cu catalyst, Application of 75732-01-3.

A new catalytic system was developed for the direct catalytic asym. aldol reaction of thioamides. The new lithium-free Cu catalyst (second-generation catalyst) exhibited enhanced catalytic efficiency over the previously developed catalyst comprising [Cu(CH3CN)4]PF6/Ph-BPE/LiOAr (first-generation catalyst), which required a tedious catalyst preparation process. In the reaction with the second-generation catalyst, the intermediate Cu-aldolate functioned as a Bronsted base to generate thioamide enolate, efficiently driving the catalytic cycle. The present aldol methodol. culminated in a concise asym. synthesis of atorvastatin I (Lipitor: atorvastatin calcium), a widely prescribed HMG-CoA reductase inhibitor for lowering low-d. lipoprotein cholesterol.

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

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.Cui, Chengzhong; Bonder, Edward M.; Jaekle, Frieder researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).COA of Formula: C9H11Cu.They published the article 《Organoboronium amphiphilic block copolymers》 about this compound( cas:75732-01-3 ) in Journal of Polymer Science, Part A: Polymer Chemistry. Keywords: styrene trimethylsilylstyrene diblock organoboronium amphiphile polymer. We’ll tell you more about this compound (cas:75732-01-3).

A new class of amphiphilic organometallic block copolymers with cationic organoboron pendant groups was developed. Selective replacement of one of the bromine substitutents on each boryl group of the block copolymer PSBBr2-b-PS with an organometallic reagent ArM (ArM = 2,4,6-trimethylphenyl copper, 4-t-butylphenyltrimethyl tin) followed by treatment with 2,2′-bipyridine gave the novel block copolymers [3Ar](Br)n as light yellow solid materials that show good stability in air and moisture and high solubility in most organic solvents. Their structure and composition were confirmed by multinuclear NMR, GPC, and elemental anal. Highly regular micellar aggregates form in block-selective solvents (e.g., MeOH, toluene) as demonstrated by 1H NMR, dynamic light scattering, and transmission electron microscopy. © 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 6612-6618, 2009.

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