Tag: M.W=100-200

Synthetic Route of C9H11Cu. 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: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Anti-Selective Direct Catalytic Asymmetric Aldol Reaction of Thiolactams. Author is Sureshkumar, Devarajulu; Kawato, Yuji; Iwata, Mitsutaka; Kumagai, Naoya; Shibasaki, Masakatsu.

An anti-selective direct catalytic asym. aldol reaction of thiolactams is described. A soft Lewis acid/hard Bronsted base cooperative catalyst comprised of mesitylcopper/(R,R)-Ph-BPE exhibited high catalytic performance to produce an anti-aldol product with high stereoselectivity. The highly chemoselective nature of the present catalysis allows for the use of enolizable aldehydes as aldol acceptors. The diverse transformations of the thiolactam moiety highlight the synthetic utility of the present anti-aldol protocol.

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Iodide – Wikipedia,
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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2-Methylglutaronitrile( cas:4553-62-2 ) is researched.Related Products of 4553-62-2.Gavagan, John E.; Fager, Susan K.; Fallon, Robert D.; Folsom, Patrick W.; Herkes, Frank E.; Eisenberg, Amy; Hann, Eugenia C.; DiCosimo, Robert published the article 《Chemoenzymic Production of Lactams from Aliphatic α,ω-Dinitriles》 about this compound( cas:4553-62-2 ) in Journal of Organic Chemistry. Keywords: dinitrile enzymic hydrolysis lactamization; cyano carboxylic acid enzymic preparation lactamization; lactam enzymic preparation dinitrile. Let’s learn more about this compound (cas:4553-62-2).

Five- and six-membered ring lactams have been prepared by first converting an aliphatic α,ω-dinitrile to an ω-cyano carboxylic acid ammonium salt, using a microbial cell catalyst having an aliphatic nitrilase activity (Acidovorax facilis 72W, ATCC 55746) or a combination of nitrile hydratase and amidase activities (Comamonas testosteroni 5-MGAM-4D, ATCC 55744). The ω-cyano carboxylic acid ammonium salt was then directly converted to the lactam by hydrogenation in aqueous solution, without isolation of the intermediate ω-cyano carboxylic acid or ω-amino carboxylic acid. Only one of two possible lactam products was produced from α-alkyl-substituted α,ω-dinitriles, where the nitrilase of A. facilis 72W regioselectively hydrolyzed only the ω-cyano group to produce a single cyano carboxylic acid ammonium salt in greater than 98% yield.

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Iodide – Wikipedia,
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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.Polyakov, Oleg G.; Ivanova, Svetlana M.; Gaudinski, Christine M.; Miller, Susie M.; Anderson, Oren P.; Strauss, Steven H. researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Application In Synthesis of Mesitylcopper(I).They published the article 《Cu(CO)2(N(SO2CF3)2). The First Structurally Characterized Copper(I) Polycarbonyl》 about this compound( cas:75732-01-3 ) in Organometallics. Keywords: crystal structure copper carbonyl sulfonylamido complex; mol structure copper carbonyl sulfonylamido complex; copper carbonyl sulfonylamido complex preparation carbon monoxide addition dissociation. We’ll tell you more about this compound (cas:75732-01-3).

The title compound (II) was synthesized from a CH2Cl2 solution of mesitylcopper(I) and HN(SO2CF3)2 treated with 1.3 atm CO. The X-ray structure of II shows a three-coordinate Cu+ ion bonded to the sulfonamide nitrogen atom and to two CO ligands with long Cu-C bonds (1.90 and 1.91 Å) and a C-Cu-C bond angle of 122°. The two ν(CO) IR bands for II are at 2158 (s) and 2184 (m) cm-1. Cu(CO)3(N(SO2CF3)2) was produced from II being under 2000 psi CO. Cu(CO)(N(SO2CF3)2) formed quickly when II was under vacuum while further loss of CO was very slow at 24°C but more rapid at 80°C yielding Cu(N(SO2CF3)2).

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Iodide – Wikipedia,
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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.Kitamura, Masato; Miki, Takashi; Nakano, Keiji; Noyori, Ryoji researched the compound: Mesitylcopper(I)( cas:75732-01-3 ).Recommanded Product: 75732-01-3.They published the article 《Conjugate addition of diorganozincs to α,β-unsaturated ketones catalyzed by a copper(I)-sulfonamide combined system》 about this compound( cas:75732-01-3 ) in Tetrahedron Letters. Keywords: addition conjugate diorganozinc ketone copper sulfonamide; cycloalkenone conjugate addition diorganozinc copper sulfonamide. We’ll tell you more about this compound (cas:75732-01-3).

In the presence of a Cu(I)-N-monosubstituted sulfonamide combined catalyst system, diorganozincs react with α,β-unsaturated ketones, e.g., 2-cycloheptenone, to generate Zn enolates, which may be hydrolyzed giving the β-substituted ketones, e.g., 3-ethylcycloheptanone, or used for further aldol reaction or Pd(0)-catalyzed reaction with allyl acetate leading to the regiospecific α,β-vicinal condensation products.

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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 The male antifertility activity of 6-chloro-6-deoxyglucose, published in 1991-12-31, which mentions a compound: 60827-45-4, Name is (2S)-(+)-3-Chloropropane-1,2-diol, Molecular C3H7ClO2, Application of 60827-45-4.

6-Chloro-6-deoxy[U-14C]glucose is not metabolized by mature boar spermatozoa nor has it any specific inhibitory action on their metabolic activity in vitro. The compound is metabolized by the male rat and the identification of 2 urinary metabolites as α-chlorohydrin and 3-chlorolactate confirmed that (S)-3-chlorolactaldehyde is produced by this species in vivo. A tissue distribution study revealed that radioactivity from 6-chloro-6-deoxy[U-14C]glucose was more concentrated in rat caudal spermatozoa than in any other of the major tissues.

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Iodide – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Preparation of thermally stable and soluble mesitylcopper(I) and its application in organic synthesis》. Authors are Tsuda, Tetsuo; Yazawa, Tetsuo; Watanabe, Katsuhiko; Fujii, Tomoyuki; Saegusa, Takeo.The article about the compound:Mesitylcopper(I)cas:75732-01-3,SMILESS:[Cu]C1=C(C)C=C(C)C=C1C).Application of 75732-01-3. Through the article, more information about this compound (cas:75732-01-3) is conveyed.

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,
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COA of Formula: C3H7ClO2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about p-Tolyl glycerol ether: is it possible to find more simple molecular organogelator with pronounced chirality driven properties?. Author is Bredikhin, Alexander A.; Bredikhina, Zemfira A.; Akhatova, Flyura S.; Gubaidullin, Aidar T..

P-Tolyl glycerol ether not belonging to any of the known gelator families forms stable transparent gels in hydrocarbon media showing very good quant. characteristics of gelling abilities, which are, in turn, strongly dependent on the chiral characteristics of the gelator. The crystal packing differences between the rac- and scal-substances could be the reason for such behavior.

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

Name: Mesitylcopper(I). 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 Organoboronium amphiphilic block copolymers. Author is Cui, Chengzhong; Bonder, Edward M.; Jaekle, Frieder.

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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Iodide – Wikipedia,
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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 Stability and Conversion of Tin Zintl Anions in Liquid Ammonia Investigated by NMR Spectroscopy, the main research direction is tin Zintl anion preparation stability liquid ammonia; NMR spectroscopy; Zintl anions; alkali metals; cryptands; tin.Name: Mesitylcopper(I).

Homoat. polyanions of post-transition main-group metals, namely, Zintl anions, are precast in analogous Zintl phases and can react in solution to form new materials. Despite comprehensible reaction approaches, the formed products cannot be planned in advance, as hitherto undetected and therefore disregarded side reactions take place. The outcomes and interpretations of the reactions of Zintl anions are so far based mainly on crystal structures, which only allow characterization of the product that has the lowest solubility Here the authors present the results of their investigation of the stability of highly charged tin Zintl anions in liquid ammonia, which is not exclusively based on solution effects but also on the oxidative influence of the solvent. This allows for a deeper understanding of the ongoing processes in solution and opens doors to the directed synthesis of transition metal complexes of Sn44-, here shown by its reactivity towards MesCu.

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Iodide – Wikipedia,
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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: 60827-45-4, is researched, SMILESS is OC[C@H](O)CCl, Molecular C3H7ClO2Journal, General Review, Kagaku to Kogyo (Tokyo, Japan) called Generation of optically active 3-chloro-1,2-propanediol using microbial assimilation, Author is Suzuki, Toshio, the main research direction is review resolution chloropropanediol dehalogenase Alcaligenes; diol resolution dehalogenase Alcaligenes review; halohydrin resolution dehalogenase Alcaligenes review.Recommanded Product: 60827-45-4.

A review with 11 references on screening of stereoselectively 3-chloro-1,2-propanediol (I)-assimilating bacteria, purification of (R)-I-dehalogenating enzyme from the bacteria, mechanism of enzymic dehalogenation of (R)-I, and optical resolution of 1,2-diols and halohydrins with the dehalogenase.

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Iodide – Wikipedia,
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