Tag: M.W:200-300

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Halogen compounds of ferrocene》. Authors are Nesmeyanov, A. N.; Perevalova, E. G.; Nesmeyanova, O. A..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Safety of Bromoferrocene. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

Iodine and ferrocene in organic medium yields a complex containing 20 atoms of iodine per mole of ferrocene, a black solid with green luster, decompose 170-2°; crystallization from Me2CO yields a complex with 6 atoms of iodine per mol., black, decompose 125-30°. The former complex in H2O yields the ferricinium cation color, while the latter complex is unattacked by H2O. Na2S2O3 removes iodine, from the complexes. Br and ferrocene give a brown complex, which is flammable when dry. Heating ferrocene with Br in CCl4 yields pentabromocyclopentane, m. 103-4°; Cl decomposes ferrocene at room temperature but at -30° in CHCl3 it yields a complex with 26% Cl. Ferrocenylmercury chloride in hot xylene treated with iodine gave a green precipitate of a complex of ferrocenylmercury chloride with 4 atoms of iodine; aqueous Na2S2O3 converts this to bisferrocenylmercury. Much iodine converts the complex and replaces Hg by iodine and the precipitate turns black, yielding 64% iodoferrocene after treatment with Na2S2O3. Iodoferrocene is yellow-orange, m. 44-5°, is volatile with steam and can be crystallized from MeOH at -10°. Its iodine is inert; heated to 100° it yields ferrocene and some C; it fails to form RMgI with Mg. Bisferrocenylmercury with excess Br in CHCl3 gave after 0.5 hr. refluxing, followed by treatment with Na2S2O3, a low yield of bromoferrocene, yellow, m. 30-1° (from MeOH). Treatment of bis(chloromercury)ferrocene with I or Br gave the corresponding diiodo- and dibromoferrocenes. The former, 25%, was not pure even after chromatographic purification; it was a red liquid, d20 2.286, d36 2.262, nD26 1.682. Dibromoferrocene, red liquid, absorption maximum 438 mμ. Bromoferrocene has an absolute maximum at 437; diiodoferrocene 438; iodoferrocene 435 mμ.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com

Computed Properties of C10BrFe. 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: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about Synthesis of perfluoroalkylthio-substituted ferrocenes.

Mono- and bis(trifluoromethylthio)-substituted and perfluorooctanesulfonylferrocene derivatives were prepared by nucleophilic substitution reactions on the ferrocene core. Thus, Hg(SCF3)2 was activated in situ by Cu and used for nucleophilic displacement reactions of bromide. Trifluoromethylsulfonylferrocene was not accessible by this method. The reaction of lithioferrocene with trifluoromethylsulfonyl chloride gave chloroferrocene in small yield, presumably due to the high lattice energy of solid LiF. On the other hand, the known trifluoromethylferrocene was obtained as the only isolable compound from the photochem. reaction of CF3SSCF3 with ferrocene. The same product was detected in small amounts in the reaction of chloromercuryferrocene with trifluoromethylsulfonyl chloride. It thus appears that most established methods for trifluoromethylation of purely organic compounds fail for ferrocene due to concurring redox reactions. The new compounds have been comprehensively characterized by elemental analyses, NMR and IR spectroscopy, mass spectrometry, and electrochem. The SCF3 group appears to be almost as electron-withdrawing as a trifluoromethyl group on the ferrocene core.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Replacement of halogen in halo ferrocenes by a proton》. Authors are Nesmeyanov, A. N.; Kursanov, D. N.; Nefedova, M. N.; Setkina, V. N.; Perevalova, E. G..The article about the compound:Bromoferrocenecas:1273-73-0,SMILESS:Br[C-]12[Fe+2]3456789([C-]%10C6=C7C8=C9%10)C1=C3C4=C25).Related Products of 1273-73-0. Through the article, more information about this compound (cas:1273-73-0) is conveyed.

Iodoferrocene and CF3CO2D in C6H6 under N atm. gave a dark violet precipitate which was separated and the filtrate extracted with H2O gave in the extract the evidence of ferricinium ion; treated with Na2SO3 it gave ferrocene containing 9.5% D; the precipitate gave iodoferrocene, which with I gave the dark violet precipitate as above. Bromoferrocene similarly gave 10% ferrocene while chloroferrocene gave some chloroferrocene containing 25% D.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com

Salazar, D. C. O’Connor; Cowan, D. O. published the article 《A new synthesis and study of diferrocenyl sulfide》. Keywords: sulfide ferrocenyl preparation cyclic voltammetry.They researched the compound: Bromoferrocene( cas:1273-73-0 ).Safety of Bromoferrocene. 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.

Diferrocenyl sulfide (I) was prepared in 76% yield via a new simple route involving bromoferrocene and the reactive bis(phenylsulfonyl)sulfide. Cyclic voltammetry of diferrocenyl sulfide in CH2Cl2 shows two reversible one electron processes at 0.61 V and 0.90 V. The mixed valence diferrocenyl sulfide species was prepared by controlled current oxidation and two bands in the visible region at λmax 800 nm (ε 442) and λ 410 nm (ε 1548) are observed; no near IR band is detected.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com

Yoon, Heejung; Morimoto, Yuma; Lee, Yong-Min; Nam, Wonwoo; Fukuzumi, Shunichi published the article 《Electron-transfer properties of a nonheme manganese(IV)-oxo complex acting as a stronger one-electron oxidant than the iron(IV)-oxo analogue》. Keywords: electron transfer nonheme manganese oxo complex oxidant iron analog.They researched the compound: Bromoferrocene( cas:1273-73-0 ).Formula: C10BrFe. 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.

Electron-transfer properties of a nonheme Mn(iv)-oxo complex, [(Bn-TPEN)MnIV(O)]2+, reveals that Mn(iv)-oxo complex acts as a stronger 1-electron oxidant than the Fe(iv)-oxo analog. As a result, an electron transfer process in N-dealkylation was detected by a transient radical cation intermediate, para-Me-DMA√+, in the oxidation of para-Me-DMA by [(Bn-TPEN)MnIV(O)]2+.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – 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 Condensation of halobenzenes and haloferrocenes with phthalimide in the presence of copper(I) oxide; a simplified Gabriel reaction, published in 1981-06-30, which mentions a compound: 1273-73-0, Name is Bromoferrocene, Molecular C10BrFe, Quality Control of Bromoferrocene.

Condensation of phthalimide with aryl and ferrocenyl halides in the presence of cuprous oxide gave the corresponding N-substituted phthalimides in 37-92% yield. Thus, the reaction of PhX (X = I, Br) with phthalimide in the presence of Cu2O gave N-phenylphthalimide. Similarly, condensation of I (X = I, Br, X1 = H; X = X1 = I, Br) with phthalimide gave I (X = phthalimido, X1 = H, I, phthalimido).

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – 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, Research Support, Non-U.S. Gov’t, Angewandte Chemie, International Edition called Electron-Transfer Properties of an Efficient Nonheme Iron Oxidation Catalyst with a Tetradentate Bispidine Ligand, Author is Comba, Peter; Fukuzumi, Shunichi; Kotani, Hiroaki; Wunderlich, Steffen, 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, Recommanded Product: 1273-73-0.

The electron-transfer properties are reported for an FeV=O complex (I) with the tetradentate bispidine ligand. The electron transfer from dibromoferrocene (Br2Fc) to I is confirmed by the UV/Vis spectral changes, with an increase of the absorption observed at 690 nm for the Br2Fc+ cation and the concomitant decrease of the absorption of I at 760 nm.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – 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: (R)-4-(tert-Butyl)-2-(5-(trifluoromethyl)pyridin-2-yl)-4,5-dihydrooxazole, is researched, Molecular C13H15F3N2O, CAS is 1428537-19-2, about 11-Step Total Synthesis of Teleocidins B-1-B-4.Recommanded Product: (R)-4-(tert-Butyl)-2-(5-(trifluoromethyl)pyridin-2-yl)-4,5-dihydrooxazole.

A unified and modular approach to the teleocidin B family of natural products is presented that proceeds in 11 steps and features an array of interesting strategies and methods. Indolactam V, the known biosynthetic precursor to this family, was accessed through electrochem. amination, Cu-mediated aziridine opening, and a remarkable base-induced macrolactamization. Guided by a desire to minimize concession steps, the tactical combination of C-H borylation and a Sigman-Heck transform enabled the convergent, stereocontrolled synthesis of the teleocidins.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com

Name: 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 A new synthesis and study of diferrocenyl sulfide. Author is Salazar, D. C. O’Connor; Cowan, D. O..

Diferrocenyl sulfide (I) was prepared in 76% yield via a new simple route involving bromoferrocene and the reactive bis(phenylsulfonyl)sulfide. Cyclic voltammetry of diferrocenyl sulfide in CH2Cl2 shows two reversible one electron processes at 0.61 V and 0.90 V. The mixed valence diferrocenyl sulfide species was prepared by controlled current oxidation and two bands in the visible region at λmax 800 nm (ε 442) and λ 410 nm (ε 1548) are observed; no near IR band is detected.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – 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, Vestnik Moskovskogo Universiteta, Seriya 2: Khimiya called Interaction of cerium(IV) acetylacetonate with organometallic compounds, Author is Perevalova, E. G.; Dyadchenko, V. P.; Tsoi, Sen Sik, 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, Safety of Bromoferrocene.

L4Ce (L = acetylacetonato) was prepared in 70% yields by treating Ce(SO4)2.2(NH4)2SO4 with LH and its reaction with cyclopentadienylsodium (I), ferrocenyllithium and naphthylsodium studied. Thus, treating L4Ce with I gave 83% NaCeL4.

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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com