Tag: M.W=100-200

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, Research Support, Non-U.S. Gov’t, Australian Journal of Biological Sciences called Inhibition of fructolytic enzymes in boar spermatozoa by (S)-α-chlorohydrin and 1-chloro-3-hydroxypropanone, Author is Jones, A. R.; Bubb, W. A.; Murdoch, S. R.; Stevenson, D. A., which mentions a compound: 60827-45-4, SMILESS is OC[C@H](O)CCl, Molecular C3H7ClO2, HPLC of Formula: 60827-45-4.

When boar spermatozoa were incubated with (S)-α-chlorohydrin  [60827-45-4], glyceraldehyde-3-phosphate dehydrogenase (GPD) [9001-50-7] activity was inhibited. The (R)-isomer had no effect whereas (R,S)-3-chlorolactaldehyde  [84709-24-0] also inhibited GDP and lactate dehydrogenase  [9001-60-9]. The in vitro production of (S)-3-chlorolactaldehyde  [86747-03-7], the active metabolite of (S)-α-chlorohydrin, was attempted by incubating boar spermatozoa with 1-chloro-3-hydroxypropanone  [24423-98-1]. Preliminary results indicated that this compound is converted into (S)-3-chlorolactaldehyde as well as to another metabolite which is an inhibitor of other enzymes within the fructolytic pathway.

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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 novel method for the generation of (R)- and (S)-3-chloro-1,2-propanediol by stereospecific dehalogenating bacteria and their use in the preparation of (R)- and (S)-glycidol, published in 1991, which mentions a compound: 60827-45-4, mainly applied to resolution chloropropandiol stereospecific dehalogenating bacteria; glycidol, Reference of (2S)-(+)-3-Chloropropane-1,2-diol.

A novel and effective method for the preparation of highly pure optically active (R)- and (S)-3-chloro-1,2-propanediol (99.5% ee and 99.4% ee, resp.) was established based on stereospecific dehalogenation and assimilation with bacteria. From these intermediates highly pure optically active (R)- and (S)-glycidol (99.3% ee and 99.4% ee, resp.) were prepared

Although many compounds look similar to this compound(60827-45-4)Reference of (2S)-(+)-3-Chloropropane-1,2-diol, numerous studies have shown that this compound(SMILES:OC[C@H](O)CCl), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about The male antifertility activity of 6-chloro-6-deoxyglucose, the main research direction is chlorodeoxyglucose metabolite sperm urine.Recommanded Product: (2S)-(+)-3-Chloropropane-1,2-diol.

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

Category: iodides-buliding-blocks. 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 Structural studies on a lithium organo-amidocuprate in the solid state and in solution. Author is Davies, Robert P.; Hornauer, Stefan; Hitchcock, Peter B..

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

Formula: C3H7ClO2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Synthesis of highly enantiomerically enriched arenesulfonic acid 2-hydroxy esters via kinetic resolution of terminal epoxides. Author is Lee, Yae Won; Yang, Hee Chun; Kim, Geon-Joong.

This paper describes the very efficient and highly enantioselective ring opening of terminal epoxides with alkyl and arene sulfonic acid. The dinuclear chiral (salen) Co complexes bearing Lewis acids of Al, Ga and In catalyze the reaction enantioselectively in the presence of tetrabutylammonium chloride using tert-Bu Me ether as a solvent. The variation of the anion of the tetra Bu ammonium salt has significant impact on the reactivity and selectivity of the asym. ring opening of Ph glycidyl ether with p-toluenesulfonic acid. The order of reactivity and selectivity was found to be Cl- > l- > Br- > OH-. Strong synergistic effects of the different Lewis acid centers of Co-Al, Co-Ga and Co-In complexes were observed in the catalytic process. The dinuclear chiral salen catalyst containing AlCl3 was found to be most active and highly enantioselective (91% ee).

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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.HPLC of Formula: 75732-01-3.Suzuki, Yuta; Yazaki, Ryo; Kumagai, Naoya; Shibasaki, Masakatsu published the article 《Direct catalytic asymmetric intramolecular conjugate addition of thioamide to α,β-unsaturated ester》 about this compound( cas:75732-01-3 ) in Chemistry – A European Journal. Keywords: indenethiocarboxamide enantioselective preparation; thioamide unsaturated ester asym intramol conjugate addition copper catalyst. Let’s learn more about this compound (cas:75732-01-3).

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.

Although many compounds look similar to this compound(75732-01-3)HPLC of Formula: 75732-01-3, numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

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.Heinemann, Ute; Engels, Dirk; Buerger, Sibylle; Kiziak, Christoph; Mattes, Ralf; Stolz, Andreas researched the compound: 2-Methylglutaronitrile( cas:4553-62-2 ).Quality Control of 2-Methylglutaronitrile.They published the article 《Cloning of a nitrilase gene from the cyanobacterium Synechocystis sp. strain PCC6803 and heterologous expression and characterization of the encoded protein》 about this compound( cas:4553-62-2 ) in Applied and Environmental Microbiology. Keywords: nitrilase Synechocystis nitrile biotransformation. We’ll tell you more about this compound (cas:4553-62-2).

The gene encoding a putative nitrilase was identified in the genome sequence of the photosynthetic cyanobacterium Synechocystis sp. strain PCC6803. The gene was amplified by PCR and cloned into an expression vector. The encoded protein was heterologously expressed in the native form and as a His-tagged protein in Escherichia coli, and the recombinant strains were shown to convert benzonitrile to benzoate. The active enzyme was purified to homogeneity and shown by gel filtration to consist probably of 10 subunits. The purified nitrilase converted various aromatic and aliphatic nitriles. The highest enzyme activity was observed with fumarodinitrile, but also some rather hydrophobic aromatic (e.g., naphthalenecarbonitrile), heterocyclic (e.g., indole-3-acetonitrile), or long-chain aliphatic (di-)nitriles (e.g., octanoic acid dinitrile) were converted with higher specific activities than benzonitrile. From aliphatic dinitriles with less than six carbon atoms only 1 mol of ammonia was released per mol of dinitrile, and thus presumably the corresponding cyanocarboxylic acids formed. The purified enzyme was active in the presence of a wide range of organic solvents and the turnover rates of dodecanoic acid nitrile and naphthalenecarbonitrile were increased in the presence of water-soluble and water-immiscible organic solvents.

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

Recommanded Product: 75732-01-3. 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 Reaction of copper aryls with imidazol-2-ylidenes or triphenylphosphine. Formation of 1:1-adducts with two-coordinate copper atoms. Author is Niemeyer, Mark.

The reaction of the Cu aryls CuDmp (Dmp = 2,6-Mes2C6H3; Mes = 2,4,6-Me3C6H2) and CuMes with the σ-donors PPh3 and 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene [C[N(i-Pr)CMe]2] affords the adducts DmpCu←PPh3 (1), DmpCu←C{N(i-Pr)CMe}2 (2) and MesCu←C{N(i-Pr)CMe}2 (3) in 65-84% yields. The colorless compounds were characterized by 1H and 13C NMR spectroscopy, single crystal structure anal., and also by 31P NMR spectroscopy of 1, elemental anal. of 2, mass spectrometry of 2 and 3, IR spectroscopy of 2 and m.p. of 2 and 3. In the solid-state structures the two-coordinate Cu atoms have relatively short Cu-P and Cu-C(carbene) distances of 218.91(11) of 1, 190.2(3) of 2 and 191.1(4) pm of 3. DFT calculations at the B3PW91 level were performed for the model compound PhCu←C[N(H)CH]2 and also for the free carbene ligand C[N(H)CH]2.

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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, New Journal of Chemistry called Co-precipitation of MnO and Cu in an ionic liquid as a first step toward self-formed barrier layers, Author is Haumesser, Paul-Henri; Santini, Catherine C.; Massin, Laurence; Rousset, Jean-Luc, the main research direction is coprecipitation manganous oxide copper nanoparticle ionic liquid barrier.Product Details of 75732-01-3.

The deposition and sintering of nanoparticles (NPs) containing both Cu and Mn could be an economically and tech. interesting alternative to current processes for the metalization of through Si vias (TSVs). The authors propose to use ionic liquids (ILs) to (i) synthesize suspensions of suitable NPs and (ii) spread and anneal those suspensions directly on technol. substrates. Indeed, ILs readily stabilize NPs and possess good thermal stability. Suspensions of metallic Cu and MnO are formed upon decomposition of solutions of selected Cu and Mn precursors in an IL, C1C4ImNTf2. Upon decomposition of mixed solutions of both precursors, single populations of NPs are obtained, a good indication that both elements are incorporated in these NPs. Finally, upon spreading and annealing these suspensions on samples coated with SiO2, typical of TSV technol., a partial reduction of SiO2 is observed, in agreement with the formation of a MnSiO3 phase typical of self-formed barriers.

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

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Oligonuclear Homoleptic Copper(I) Pyrazolates with Multinucleating Ligand Scaffolds: High Structural Diversity in Solid-State and Solution.COA of Formula: C9H11Cu.

The synthesis of three pyrazole-based, potentially binucleating ligands 3,5-bis(R1NMeCH2)-4-R2pyrazole (L1H: R1 = pyridyl-2-methyl-, R2 = Ph; L2H: R1 = 8-quinolyl-, R2 = H; L3H: R1 = 8-quinolyl-, R2 = Ph) is described. Reaction of L1-3H with 1 equiv of mesitylcopper affords oligonuclear homoleptic complexes [CuL]n (1-3). The single crystal x-ray structure of 2 shows a tetranuclear assembly of linear coordinated Cu(I)-centers bridged by pyrazolato ligands that alternate above and below the Cu4 plane, with addnl. weak interactions from some of the ligand side arms. As the single crystal X-ray structure of 3 reveals, Ph substitution at the 4-position of the pyrazolato framework leads to significant structural modification of the Cu4 array, giving a rhombical tetranuclear complex with two linear coordinated Cu(I) centers that exhibit a short intramol. Cu···Cu contact (2.8212(10) Å) and two peripheral Cu(I) centers in a distorted tetrahedral coordination mode. Thus, 3 represents a very rare example of an inorganic pyrazolato cuprate which can also be viewed as a partly rearranged structural isomer of 2. Also, the crystal lattice of 3 shows an extended network of intra- and intermol. π-π stacking interactions between the aromatic rings. In solution, 1-3 each form two types of oligomers a and b that slowly (<1 s-1) equilibrate at room temperature Using Diffusion Ordered Spectroscopy (DOSY) and variable temperature 1H NMR spectroscopy, a and b correspond to a tetrameric and a (planar) trimeric species. Coordination of the pyridyl/quinolyl side arms that is observed in the solid state seems to be only transient in solution Although many compounds look similar to this compound(75732-01-3)COA of Formula: C9H11Cu, numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

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