Category: 1086138-36-4

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 Selective mono N-methylation of anilines with methanol catalyzed by rhenium complexes: An experimental and theoretical study, published in 2018-10-31, which mentions a compound: 1086138-36-4, mainly applied to aniline methanol rhenium complex catalyst selective monomethylation; methylaniline preparation, Recommanded Product: Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine.

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,
Benzothiophene | C8H6S – PubChem

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, ACS Catalysis called Catalytic Upgrading of Ethanol to n-Butanol via Manganese-Mediated Guerbet Reaction, Author is Kulkarni, Naveen V.; Brennessel, William W.; Jones, William D., which mentions a compound: 1086138-36-4, SMILESS is 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, Molecular C44H69NP2, Electric Literature of C44H69NP2.

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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

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 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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

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 Selective mono N-methylation of anilines with methanol catalyzed by rhenium complexes: An experimental and theoretical study, published in 2018-10-31, which mentions a compound: 1086138-36-4, Name is Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine, Molecular C44H69NP2, COA of Formula: C44H69NP2.

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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Electric Literature of C44H69NP2. 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: 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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

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: 1086138-36-4, is researched, Molecular C44H69NP2, about Erbium-Catalyzed Regioselective Isomerization-Cobalt-Catalyzed Transfer Hydrogenation Sequence for the Synthesis of Anti-Markovnikov Alcohols from Epoxides under Mild Conditions, the main research direction is tandem erbium catalyst regioselective isomerization cobalt transfer hydrogenation epoxide; synthesis anti Markovnikov alc.COA of Formula: C44H69NP2.

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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Computed Properties of 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 Additive-Free Isomerization of Allylic Alcohols to Ketones with a Cobalt PNP Pincer Catalyst. Author is Spiegelberg, Brian; Dell’Acqua, Andrea; Xia, Tian; Spannenberg, Anke; Tin, Sergey; Hinze, Sandra; de Vries, Johannes G..

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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

Recommanded Product: 1086138-36-4. 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: 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.

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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Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

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: 1086138-36-4, is researched, SMILESS is 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, Molecular C44H69NP2Journal, Asian Journal of Organic Chemistry called 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, the main research direction is rhodium formaldehyde ethylene glycol carbonylation catalyst.Product Details of 1086138-36-4.

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%.

Here is just a brief introduction to this compound(1086138-36-4)Product Details of 1086138-36-4, more information about the compound(Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine) is in the article, you can click the link below.

Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem

SDS of cas: 1086138-36-4. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. 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%.

Here is just a brief introduction to this compound(1086138-36-4)SDS of cas: 1086138-36-4, more information about the compound(Bis(2-(Di(adamantan-1-yl)phosphino)ethyl)amine) is in the article, you can click the link below.

Reference:
Benzothiophene – Wikipedia,
Benzothiophene | C8H6S – PubChem