Category: 1086138-36-4

Formula: C44H69NP2. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Selective mono N-methylation of anilines with methanol catalyzed by rhenium complexes: An experimental and theoretical study. Author is Wei, Duo; Sadek, Omar; Dorcet, Vincent; Roisnel, Thierry; Darcel, Christophe; Gras, Emmanuel; Clot, Eric; Sortais, Jean-Baptiste.

The selective mono-N-methylation of anilines using methanol as an alkylating reagent was achieved with high efficiency under the catalysis of well-defined rhenium complexes bearing tridentate diphosphinoamino ligands and in the presence of a base. The reaction proceeds well for a large scope of anilines (32 examples) with low loadings of both the catalyst (down to 0.5 mol%) and the base (Cs2CO3, down to 5 mol%). The mechanism of the reaction was investigated by DFT (PBE0-D3) calculations

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Benzothiophene – Wikipedia,
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Name: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Pincer Ligand Enhanced Rhodium-Catalyzed Carbonylation of Formaldehyde: Direct Ethylene Glycol Production. Author is Meyer, Tim; Konrath, Robert; Kamer, Paul C. J.; Wu, Xiao-Feng.

Formaldehyde is one of the most important bulk chems. and is produced on a million tone scale (52 million tons in 2017).[1] Since the middle of the last century, the challenge has remained to produce the valuable ethylene glycol (EG) directly from the C1 building block formaldehyde in a single step. In the systems reported so far, the reaction conditions were very harsh, often with pressures above 400 bar. However, under milder conditions, the selectivity was on the side of glycol aldehyde (GA) and the hydrogenation product methanol. Only traces of EG could be generated in the presence of a Rh catalyst. Herein, the authors describe a new Rh catalyst system with pincer ligand, which allows the direct one pot synthesis of EG from easy to handle paraformaldehyde (PFA) at remarkable mild conditions (70 bar, 100°C) and overcomes the aforementioned limitations with yield up to 40%.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

HPLC of Formula: 1086138-36-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Synthons for carbide complex chemistry. Author is Reinholdt, Anders; Hill, Anthony F.; Bendix, Jesper.

The sterically accessible carbide complex, (Cy3P)Cl3RuC-PtCl(py)2, acts as a synthon for terminal and bridging carbide fragments that relocate to pincer and A-frame scaffolds upon ligand addition This concept, benefitting from coordination sphere selection as the concluding step, confronts traditional synthetic strategies and broadens the scope for carbide complexes.

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Benzothiophene – Wikipedia,
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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: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Additive-Free Isomerization of Allylic Alcohols to Ketones with a Cobalt PNP Pincer Catalyst.Product Details of 1086138-36-4.

Catalytic isomerization of allylic alcs. in ethanol as a green solvent was achieved by using air and moisture stable cobalt (II) complexes in the absence of any additives. Under mild conditions, the cobalt PNP pincer complex substituted with Ph groups on the phosphorus atoms appeared to be the most active. High rates were obtained at 120°, even though the addition of one equivalent of base increases the speed of the reaction drastically. Although some evidence was obtained supporting a dehydrogenation-hydrogenation mechanism, it was proved that this is not the major mechanism. Instead, the cobalt hydride complex formed by dehydrogenation of ethanol was capable of double-bond isomerization through alkene insertion-elimination.

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Benzothiophene – Wikipedia,
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Application In Synthesis of Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Catalytic Hydrogenation of Cyclic Carbonates: A Practical Approach from CO2 and Epoxides to Methanol and Diols. Author is Han, Zhaobin; Rong, Liangce; Wu, Jiang; Zhang, Lei; Wang, Zheng; Ding, Kuiling.

A highly efficient catalytic hydrogenation of cyclic carbonates was developed for the preparation of methanol with the cogeneration of the corresponding diols by using (PNP) Ru”” pincer complexes as the catalysts under relatively mild conditions. This process has provided a facile approach for the simultaneous production of two important bulk chems., methanol and EG, from ethylene carbonate, which is industrially available by reacting ethylene oxide with CO2. The coupling of the present catalytic system with the process of ethylene carbonate production in the omega process is expected to establish a new bridge from CO2 and ethylene oxide to methanol and EG. Apart from the clean production of diol, a big bonus of the present protocol is the efficient chem. utilization of CO2, which represents a distinct advantage in terms of sustainability over the omega process, which gives back CO2. Moreover, this catalytic system has also provided a potential process for the utilization of waste poly(propylene carbonate) as a resource to afford 1,2-propylene diol and methanol through hydrogenative depolymerization, and a convenient method for the preparation of deuterated methanol from CO2 and D2. A possible catalytic mechanism is proposed, in which the NH moiety of the ligand is demonstrated to be critically important in facilitating the reduction of the carbonate C=O bond through secondary coordination sphere interactions with substrates.

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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

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: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Catalytic Hydrogenation of Cyclic Carbonates: A Practical Approach from CO2 and Epoxides to Methanol and Diols.Reference of Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine.

A highly efficient catalytic hydrogenation of cyclic carbonates was developed for the preparation of methanol with the cogeneration of the corresponding diols by using (PNP) Ru”” pincer complexes as the catalysts under relatively mild conditions. This process has provided a facile approach for the simultaneous production of two important bulk chems., methanol and EG, from ethylene carbonate, which is industrially available by reacting ethylene oxide with CO2. The coupling of the present catalytic system with the process of ethylene carbonate production in the omega process is expected to establish a new bridge from CO2 and ethylene oxide to methanol and EG. Apart from the clean production of diol, a big bonus of the present protocol is the efficient chem. utilization of CO2, which represents a distinct advantage in terms of sustainability over the omega process, which gives back CO2. Moreover, this catalytic system has also provided a potential process for the utilization of waste poly(propylene carbonate) as a resource to afford 1,2-propylene diol and methanol through hydrogenative depolymerization, and a convenient method for the preparation of deuterated methanol from CO2 and D2. A possible catalytic mechanism is proposed, in which the NH moiety of the ligand is demonstrated to be critically important in facilitating the reduction of the carbonate C=O bond through secondary coordination sphere interactions with substrates.

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Benzothiophene – Wikipedia,
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Recommanded Product: 1086138-36-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Erbium-Catalyzed Regioselective Isomerization-Cobalt-Catalyzed Transfer Hydrogenation Sequence for the Synthesis of Anti-Markovnikov Alcohols from Epoxides under Mild Conditions. Author is Liu, Xin; Longwitz, Lars; Spiegelberg, Brian; Toenjes, Jan; Beweries, Torsten; Werner, Thomas.

Herein, we report an efficient isomerization-transfer hydrogenation reaction sequence based on a cobalt pincer catalyst (1 mol%), which allows the synthesis of a series of anti-Markovnikov alcs. from terminal and internal epoxides under mild reaction conditions (≤55°, 8 h) at low catalyst loading. The reaction proceeds by Lewis acid (3 mol % Er(OTf)3)-catalyzed epoxide isomerization and subsequent cobalt-catalyzed transfer hydrogenation using ammonia borane as the hydrogen source. The general applicability of this methodol. is highlighted by the synthesis of 43 alcs. from epoxides. A variety of terminal (23 examples) and 1,2-disubstituted internal epoxides (14 examples) bearing different functional groups are converted to the desired anti-Markovnikov alcs. in excellent selectivity and yields of up to 98%. For selected examples, it is shown that the reaction can be performed on a preparative scale up to 50 mmol. Notably, the isomerization step proceeds via the most stable carbocation. Thus, the regiochem. is controlled by stereoelectronic effects. As a result, in some cases, rearrangement of the carbon framework is observed when tri- and tetra-substituted epoxides (6 examples) are converted. A variety of functional groups are tolerated under the reaction conditions even though aldehydes and ketones are also reduced to the resp. alcs. under the reaction conditions. Mechanistic studies and control experiments were used to investigate the role of the Lewis acid in the reaction. Besides acting as the catalyst for the epoxide isomerization, the Lewis acid was found to facilitate the dehydrogenation of the hydrogen donor, which enhances the rate of the transfer hydrogenation step. These experiments addnl. indicate the direct transfer of hydrogen from the amine borane in the reduction step.

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Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine( cas:1086138-36-4 ) is researched.Product Details of 1086138-36-4.Han, Zhaobin; Rong, Liangce; Wu, Jiang; Zhang, Lei; Wang, Zheng; Ding, Kuiling published the article 《Catalytic Hydrogenation of Cyclic Carbonates: A Practical Approach from CO2 and Epoxides to Methanol and Diols》 about this compound( cas:1086138-36-4 ) in Angewandte Chemie, International Edition. Keywords: catalytic hydrogenation cyclic carbonate methanol diol production. Let’s learn more about this compound (cas:1086138-36-4).

A highly efficient catalytic hydrogenation of cyclic carbonates was developed for the preparation of methanol with the cogeneration of the corresponding diols by using (PNP) Ru”” pincer complexes as the catalysts under relatively mild conditions. This process has provided a facile approach for the simultaneous production of two important bulk chems., methanol and EG, from ethylene carbonate, which is industrially available by reacting ethylene oxide with CO2. The coupling of the present catalytic system with the process of ethylene carbonate production in the omega process is expected to establish a new bridge from CO2 and ethylene oxide to methanol and EG. Apart from the clean production of diol, a big bonus of the present protocol is the efficient chem. utilization of CO2, which represents a distinct advantage in terms of sustainability over the omega process, which gives back CO2. Moreover, this catalytic system has also provided a potential process for the utilization of waste poly(propylene carbonate) as a resource to afford 1,2-propylene diol and methanol through hydrogenative depolymerization, and a convenient method for the preparation of deuterated methanol from CO2 and D2. A possible catalytic mechanism is proposed, in which the NH moiety of the ligand is demonstrated to be critically important in facilitating the reduction of the carbonate C=O bond through secondary coordination sphere interactions with substrates.

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Benzothiophene – Wikipedia,
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Recommanded Product: 1086138-36-4. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, is researched, Molecular C44H69NP2, CAS is 1086138-36-4, about Catalytic Upgrading of Ethanol to n-Butanol via Manganese-Mediated Guerbet Reaction. Author is Kulkarni, Naveen V.; Brennessel, William W.; Jones, William D..

Replacement of precious metal catalysts in the Guerbet upgrade of ethanol to n-butanol with first-row metal complex catalysts is highly appreciated due to their economic and environmental friendliness. The manganese pincer complexes of the type [(RPNP)MnBr(CO)2] (R = iPr, Cy, tBu, Ph or Ad) are found to be excellent catalysts for upgrading ethanol to n-butanol. Under suitable reaction conditions and with an appropriate base, about 34% yield of n-butanol can be obtained in high selectivity. A detailed account on the effect of the temperature, solvent, nature, and proportion of base used and the stereoelectronic effects of the ligand substituents on the catalytic activity of the catalysts as well as the plausible deactivation pathways is presented.

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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 Pincer Ligand Enhanced Rhodium-Catalyzed Carbonylation of Formaldehyde: Direct Ethylene Glycol Production, published in 2021-01-31, which mentions a compound: 1086138-36-4, mainly applied to rhodium formaldehyde ethylene glycol carbonylation catalyst, Quality Control of Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine.

Formaldehyde is one of the most important bulk chems. and is produced on a million tone scale (52 million tons in 2017).[1] Since the middle of the last century, the challenge has remained to produce the valuable ethylene glycol (EG) directly from the C1 building block formaldehyde in a single step. In the systems reported so far, the reaction conditions were very harsh, often with pressures above 400 bar. However, under milder conditions, the selectivity was on the side of glycol aldehyde (GA) and the hydrogenation product methanol. Only traces of EG could be generated in the presence of a Rh catalyst. Herein, the authors describe a new Rh catalyst system with pincer ligand, which allows the direct one pot synthesis of EG from easy to handle paraformaldehyde (PFA) at remarkable mild conditions (70 bar, 100°C) and overcomes the aforementioned limitations with yield up to 40%.

There is still a lot of research devoted to this compound(SMILES：P(CCNCCP(C12CC3CC(C2)CC(C3)C1)C45CC6CC(C5)CC(C6)C4)(C78CC9CC(C8)CC(C9)C7)C%10%11CC%12CC(C%11)CC(C%12)C%10)Quality Control of Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, and with the development of science, more effects of this compound(1086138-36-4) can be discovered.

Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem