Tag: M.W:200-300

Sabbatini, M.; Franco, M. A.; Psaro, R. published the article 《Proton NMR kinetic studies of hydrogen-deuterium exchange of ferrocene and some monosubstituted derivatives》. Keywords: hydrogen exchange ferrocene rate; bromoferrocene hydrogen exchange rate; carboxylferrocene hydrogen exchange rate; cyanoferrocene hydrogen exchange rate; NMR hydrogen exchange ferrocene.They researched the compound: Bromoferrocene( cas:1273-73-0 ).Recommanded Product: 1273-73-0. 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:1273-73-0) here.

NMR spectroscopy was used to determine the rates of H exchange in the various positions of ferrocene and some monosubstituted ferrocenes (-Br, -COOH, -CN). The activation parameters were also determined A quant. estimate of the interannular transmission effect is made and suggested to be operating through a primarily inductive mechanism. It is suggested that the exchange involves the preliminary formation of a π-complex between the electrophile and the cyclopentadienyl rings.

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Recommanded Product: 63352-97-6. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-(7-Bromo-1H-indol-3-yl)acetic acid, is researched, Molecular C10H8BrNO2, CAS is 63352-97-6, about Substituted indoleacetic acids tested in tissue cultures. Author is Engvild, Kjeld C..

Monochloro substituted indole-3-acetic acids inhibited shoot induction in tobacco tissue cultures about as much as IAA. Dichloro substituted indole-3-acetic acids inhibited shoot formation less. Other substituted indoleacetic acids except 5-fluoro- and 5-bromoindole-3-acetic acid were less active than IAA. Callus growth was quite variable and not correlated with auxin strength measured in the Avena coleoptile test.

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Daeneke, Torben; Mozer, Attila J.; Uemura, Yu; Makuta, Satoshi; Fekete, Monika; Tachibana, Yasuhiro; Koumura, Nagatoshi; Bach, Udo; Spiccia, Leone published an article about the compound: Bromoferrocene( cas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25 ).Recommanded Product: Bromoferrocene. 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:1273-73-0) through the article.

The ideal driving force for dye regeneration is an important parameter for the design of efficient dye-sensitized solar cells. Here, nanosecond laser transient absorption spectroscopy was used to measure the rates of regeneration of six organic carbazole-based dyes by nine ferrocene derivatives whose redox potentials vary by 0.85 V, resulting in 54 different driving-force conditions. The reaction follows the behavior expected for the Marcus normal region for driving forces below 29 kJ mol-1 (ΔE = 0.30 V). Driving forces of 29-101 kJ mol-1 (ΔE = 0.30-1.05 V) resulted in similar reaction rates, indicating that dye regeneration is diffusion controlled. Quant. dye regeneration (theor. regeneration yield 99.9%) can be achieved with a driving force of 20-25 kJ mol-1 (ΔE ≈ 0.20-0.25 V).

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Thiazolidine – Wikipedia,
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Application In Synthesis of Bromoferrocene. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Cofacial metallocenes. Synthesis and crystal structure of 1,8-diferrocenylnaphthalene. Author is Lee, Mei Tsu; Foxman, Bruce M.; Rosenblum, Myron.

The optimal synthesis of 1,8-differocenylnaphthalene (I) was the coupling of 1,8-diiodonaphthalene and ferrocenylzinc chloride in the presence of ferrocenylphosphine-containing catalyst PdLCl2, giving 58% of I with 94% selectivity. The x-ray crystal structure of I showed that the naphthalene ring and bonds from the peri-C atoms to the cyclopentadienyl rings were highly distorted. The 2 substituted cyclopentadienyl rings were rotated by ∼46° from the perpendicular to the naphthalene ring. Cyclic voltammetry of I showed 2 reversible, one-electron waves. The monocation I+BF4- derived by oxidation of I with AgBF4, had an intervalence transfer band at 1600 nm (εmax 200), not shown by the corresponding dication of I. I+ was best represented as a weakly interacting mixed-valence system.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Quinolinium thiocyanate》. Authors are Hurd, Charles D.; Wehrmeister, H. L..The article about the compound:quinoliniumhydrogensulphatecas:530-66-5,SMILESS:[O-]S(=O)(O)=O.C12=CC=C[NH+]=C1C=CC=C2).Computed Properties of C9H9NO4S. Through the article, more information about this compound (cas:530-66-5) is conveyed.

The reaction of BzCl with quinoline (I) and CHNa(CO2Et)2 did not yield the desired 1,2-dihydroquinoline, since most of the I was recovered; the products (as determined by hydrolysis) are CHBz(CO2Et)2 and Bz(BzO)C:C(CO2Et)2. I (63 g.) and 156 g. KSCN in 600 ml. H2O, treated (7 min.) with 148 g. BzCl and stirred 1 hr., give 77% quinolinium thiocyanate, light yellow, m. 141-1.5°; FeCl3 gives a deep red color; heated 1 hr. on the steam bath with concentrated HCl it yields quinolinium H sulfate, m. 162-4°.

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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 Electron transfer in mixed-valence 1′,6′-bis(triphenylmethyl)biferrocenium triiodide, published in 1989-05-16, which mentions a compound: 1273-73-0, mainly applied to biferrocenium triiodide electron transfer kinetics; Moessbauer triphenylmethyl biferrocenium triiodide; solid state electron transfer biferrocenium, Application of 1273-73-0.

The 1′,6′-bis(triphenylmethyl)biferrocenium triiodide (I) was prepared The intramol. electron transfer rates in the solid state and in solution have been determined I gives a Moessbauer spectrum which reveals the presence of localized and delocalized species. An investigation of the energy and the line-shape of the intervalence transition band, permitted the calculation of the electron transfer rate in solution

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Zhang, Lei; Liu, Jin-ting published an article about the compound: Bromoferrocene( cas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25 ).Safety of Bromoferrocene. 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:1273-73-0) through the article.

A novel single butterfly-shaped cluster, (μ-FcS)(μ-SMe)Fe2(CO)6 (1), was synthesized by the reaction of ferrocenyl Mg bromide (FcMgBr) with (μ-S2)Fe2(CO)6 and MeI. The structure was characterized by 1H NMR, IR, elemental anal. and x-ray single crystal diffraction. Comples 1 belongs to orthorhombic space group Pna21 with a 12.707(2), b 11.355(2), c 27.621(5) Å, V = 3,985.1(12) Å3, Z = 8, Dc = 1.813 g cm-3, μ = 2.395 mm-1, F(000) = 2,176, R1 = 0.059 7, wR2 = 0.136 7.

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Thiazolidine – 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.Utepova, I. A.; Musikhina, A. A.; Kvashnin, Yu. A.; Shcherbakova, M. A.; Serebrennikova, P. O.; Rusinov, G. L.; Chupakhin, O. N. researched the compound: Bromoferrocene( cas:1273-73-0 ).SDS of cas: 1273-73-0.They published the article 《Direct C-C-coupling of ferrocenyl- and cymantrenyllithium with 5-(het)aryl-1,2,5-oxadiazolo[3,4-b]pyrazines》 about this compound( cas:1273-73-0 ) in Russian Chemical Bulletin. Keywords: crystal structure mol oxadiazolopyrazinyl ferrocene cymantrene preparation. We’ll tell you more about this compound (cas:1273-73-0).

A direct C-C-coupling of ferrocenyl- and cymantrenyllithium with 5-(het)aryl-1,2,5- oxadiazolo[3,4-b]pyrazines was accomplished. Main characteristics of the SNH-reaction products were obtained, as well as crystallog. data on the spatial structure of oxadiazolopyrazinylferrocenes and -cymantrenes synthesized.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Synthesis and isomerization of 4-hydroxy-4-methyl-3-hepten-6-yn-2-yl-cyclopentadienylmanganese tricarbonyl》. Authors are Anisimov, K. N.; Kolobova, N. E.; Magomedov, G. K. I..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Electric Literature of C10BrFe. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

cf. CA 61, 13336f. Propargyl bromide added in Et2O to Mg activated with HgCl2 gave a solution of the Grignard reagent which with 2-penten-4-on-2-ylcyclopentadienylmanganese tricarbonyl in 3 h. refluxing gave 81% I, b0.007 85-6°, n20D 1.5945, d20 1.2936; ir spectrum and uv spectrum shown. Heated with KHSO4 in vacuo to 100-20°, I gave 50% yellow 4-methyl-2,4-heptadien-6-on-2-ylcyclopentadienylmanganese tricarbonyl, b0.007 95-6°, 1.6112, 1.3030, also formed from I by heating in EtOH with HgSO4; ir spectrum shown. The ketone was unstable in air, but gave a red 2,4-dinitrophenylhydrazone, m. 156°.

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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, Organic & Biomolecular Chemistry called Probing the tolerance of cucurbit[7]uril inclusion complexes to small structural changes in the guest, Author is Yi, Song; Li, Wei; Nieto, Daniel; Cuadrado, Isabel; Kaifer, Angel E., which mentions a compound: 1273-73-0, SMILESS is Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25, Molecular C10BrFe, Application In Synthesis of Bromoferrocene.

The binding properties of the cucurbit[7]uril host with three structurally related ferrocene-containing guests, ferrocenyltrimethylammonium, ferrocenylmethyltrimethylammonium and ferrocenylethyltrimethylammonium, were studied using 1H NMR spectroscopy, mass spectrometry, voltammetry and computational methods. The exptl. and computational data indicate that the stability of the cucurbit[7]uril inclusion complexes is relatively insensitive to the number of methylenes connecting the trimethylammonium and the ferrocenyl groups, although some of their properties are affected in significant ways.

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Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com