Tag: 200-300

The author of 《Phenanthrenone-based hole transport material for efficient dopant-free perovskite solar cells》 were Zou, Kaiyi; Gao, Peng; Ling, Xufeng; Song, Bo; Ding, Lei; Sun, Baoquan; Fan, Jian. And the article was published in Organic Electronics in 2019. Formula: C14H15NO2 The author mentioned the following in the article:

Spiro-OMeTAD is the most popular hole transport material (HTM) for perovskite solar cells. The insertion of one carbonyl group into the spirobifluorene framework in spiro-OMeTAD gave a novel phenanthrenone-based hole transport material (spiro-PT-OMeTAD). It is found that the introduction of one carbonyl group into spiro-PT-OMeTAD led to a big difference in the absorption behaviors, frontier MO energy levels and hole mobilities. The steady-state photoluminescence characterization and the space-charge-limited-current measurement indicate that this phenanthrenone-based material plays an important role in hole collection and transportation in perovskite solar cells. As a result, the dopant-free perovskite solar cells based on spiro-PT-OMeTAD showed highly improved performance by exhibiting a short-circuit c.d. of 22.36 mA/cm2, an open-circuit voltage of 0.99 V, and a fill factor of 0.62% under 1 sun illumination, which gave an overall power conversion efficiency (PCE) of 13.83%, compared to 10.5% for the spiro-OMeTAD based devices. The experimental process involved the reaction of Bis(4-methoxyphenyl)amine(cas: 101-70-2Formula: C14H15NO2)

Bis(4-methoxyphenyl)amine(cas: 101-70-2) is a diphenylamine derivative used as a chemical additive for cured rubber.Bis(4-methoxyphenyl)amine is highly toxic and may potentially induce chromosome abberation.Formula: C14H15NO2

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

The author of 《Base-Promoted Direct Chalcogenylation of 2-Naphthols》 were Lima, David B.; Santos, Pedro H. V.; Fiori, Priscila; Badshah, Gul; Luz, Eduardo Q.; Seckler, Diego; Rampon, Daniel S.. And the article was published in ChemistrySelect in 2019. Recommanded Product: 882-33-7 The author mentioned the following in the article:

An efficient and regioselective C1 chalcogenylation of 2-naphthol derivatives with a broad scope of diorganoyl dichalcogenides (S, Se) and lower amounts of the cheaper K2CO3 under atm. air in a short reaction time was developed to obtain organosulfur and organoselenium compounds I [R1 = H, 6-Br; R2 = Ph, 4-FC6H4, 4-MeOC6H4, etc.; R3 = S, Se; Z = CH, N]. The mechanistic studies indicated an ionic mechanism, essentially an electrophilic aromatic substitution, with a key role played by atm. oxygen for regeneration of the diorganoyl dichalcogenides.1,2-Diphenyldisulfane(cas: 882-33-7Recommanded Product: 882-33-7) was used in this study.

1,2-Diphenyldisulfane(cas: 882-33-7) belongs to ethers.Recommanded Product: 882-33-7Although ethers resist hydrolysis, they are cleaved by hydrobromic acid and hydroiodic acid. Hydrogen chloride cleaves ethers only slowly.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

《Copper-Mediated Regioselective C-H Sulfenylation and Selenation of Phenols with Phenanthroline Bidentate Auxiliary》 was published in Organic Letters in 2020. These research results belong to Kajiwara, Rikuo; Takamatsu, Kazutaka; Hirano, Koji; Miura, Masahiro. Application of 882-33-7 The article mentions the following:

A copper-mediated,phenanthroline-directed highly ortho-selective C-H sulfenylation of phenols with diaryl disulfides proceeds to form the corresponding unsym. diaryl sulfides in good yield. He key to success is the introduction of a phenanthroline directing group of the bidentate-chelating nature, which is easily attachable,detachable, and even recyclable. Moreover, the same strategy is applicable to the C-H selenation, giving the diaryl selenides with high efficiency and regioselectivity.1,2-Diphenyldisulfane(cas: 882-33-7Application of 882-33-7) was used in this study.

1,2-Diphenyldisulfane(cas: 882-33-7) belongs to ethers.The C-O bonds that comprise simple ethers are strong. They are unreactive toward all but the strongest bases. Although generally of low chemical reactivity, they are more reactive than alkanes. Application of 882-33-7

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,Organic Letters included an article by Molloy, John J.; O’Rourke, Kerry M.; Frias, Carolina P.; Sloan, Nikki L.; West, Matthew J.; Pimlott, Sally L.; Sutherland, Andrew; Watson, Allan J. B.. Formula: C7H7IO. The article was titled 《Mechanism of Cu-Catalyzed Aryl Boronic Acid Halodeboronation Using Electrophilic Halogen: Development of a Base-Catalyzed Iododeboronation for Radiolabeling Applications》. The information in the text is summarized as follows:

An investigation into the mechanism of Cu-catalyzed aryl boronic acid halodeboronation using electrophilic halogen reagents is reported. Evidence is provided to show that this takes place via a boronate-driven ipso-substitution pathway and that Cu is not required for these processes to operate: general Lewis base catalysis is operational. This in turn allows the rational development of a general, simple, and effective base-catalyzed halodeboronation that is amenable to the preparation of 125I-labeled products for SPECT applications. In the experiment, the researchers used 1-Iodo-2-methoxybenzene(cas: 529-28-2Formula: C7H7IO)

1-Iodo-2-methoxybenzene(cas: 529-28-2) is a useful synthetic intermediate. It can be used in the synthesis of piperidinyl diaminopyrimidines as cyclin-dependent kinase inhibitors with antitumor activity and polysubstituted benzofuran derivatives as novel inhibitors of parasitic growth.Formula: C7H7IO

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Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,Organometallics included an article by Choluj, Artur; Krzesinski, Pawel; Ruszczynska, Anna; Bulska, Ewa; Kajetanowicz, Anna; Grela, Karol. Category: ethers-buliding-blocks. The article was titled 《Noncovalent Immobilization of Cationic Ruthenium Complex in a Metal-Organic Framework by Ion Exchange Leading to a Heterogeneous Olefin Metathesis Catalyst for Use in Green Solvents》. The information in the text is summarized as follows:

A simple strategy for noncovalent immobilization of an olefin metathesis catalyst inside a (Cr)MIL-101-SO3Na metal-organic framework (MOF) was presented. The olefin metathesis active core-an alkylidene complex bearing an ammonium-tagged NHC ligand (Apeiron’s FixCat)-was immobilized by ion exchange facilitated using crown ether. The hybrid material thus obtained was shown with a number of model substrates to exhibit high activity and selectivity in a wide range of solvents. Next, selected polyfunctional pharmaceutically related substrates were transformed using 0.8-0.5 mol % of the Ru@MOF in polar solvents such as acetone and di-Me carbonate, making this technol. interesting in the context of green solvent use. In the experiment, the researchers used 1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5Category: ethers-buliding-blocks)

1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5) is a member of crown ether Ligands. Crown-ethers are macrocyclic polyethers capable of forming host-guest complexes, especially with inorganic and organic cations. Crown-ethers can incorporate protonated primary amine compounds by formation of ion-dipole bonds with the oxygen atoms of the chiral selector. Crown-ethers have been widely used for the separation of several pharmaceuticals both in aqueous and non-aqueous media. Category: ethers-buliding-blocks

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,ACS Catalysis included an article by Fricke, Christoph; Dahiya, Amit; Reid, William B.; Schoenebeck, Franziska. Formula: C7H7IO. The article was titled 《Gold-Catalyzed C-H Functionalization with Aryl Germanes》. The information in the text is summarized as follows:

The development of orthogonal Csp2-Csp2 coupling regimes to the omnipresent Pd-catalysis class would enable an addnl. dimension of modularity in the construction of densely functionalized biaryl motifs. In this context, the identification of potent functional groups for selective transformations is in high demand. Although organogermanium compounds are generally believed to be of low reactivity in homogenous catalysis, this report discloses the highly efficient and orthogonal reactivity of aryl germanes with arenes under gold catalysis. The method is characterized by mildness, the employment of an air- and moisture-stable gold catalyst, and robustness. Our mechanistic studies show that aryl germanes are highly reactive with Au(I) and Au(III). Our computational data suggest that the origin of this reactivity primarily lies in the relatively low bond dissociation energy and as such low distortion energy to reach the key bond activating transition state. In addition to this study using 1-Iodo-2-methoxybenzene, there are many other studies that have used 1-Iodo-2-methoxybenzene(cas: 529-28-2Formula: C7H7IO) was used in this study.

1-Iodo-2-methoxybenzene(cas: 529-28-2) is a useful synthetic intermediate. It can be used in the synthesis of piperidinyl diaminopyrimidines as cyclin-dependent kinase inhibitors with antitumor activity and polysubstituted benzofuran derivatives as novel inhibitors of parasitic growth.Formula: C7H7IO

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Hallas, G.; Yoon, Chun published their research in Dyes and Pigments on February 28 ,2001. The article was titled 《The synthesis and properties of red and blue benzodifuranones》.Application of 79694-16-9 The article contains the following contents:

In this study, red and blue benzodifuranones have been synthesized and their phys. properties measured. Red benzodifuranones were synthesized from half-condensed benzofuranone intermediates and alkoxymandelic acid derivatives Blue benzodifuranones were synthesized from the half-condensed intermediates and phenyltartronic acid derivatives In the experiment, the researchers used 2-Hydroxy-2-(4-propoxyphenyl)acetic acid(cas: 79694-16-9Application of 79694-16-9)

2-Hydroxy-2-(4-propoxyphenyl)acetic acid(cas: 79694-16-9) belongs to ethers.The C-O bonds that comprise simple ethers are strong. Application of 79694-16-9 They are unreactive toward all but the strongest bases. Although generally of low chemical reactivity, they are more reactive than alkanes.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Related Products of 882-33-7In 2019 ,《Using sulfur bridge oxidation to control electronic coupling and photochemistry in covalent anthracene dimers》 was published in Chemical Science. The article was written by Cruz, Chad D.; Yuan, Jennifer; Climent, Claudia; Tierce, Nathan T.; Christensen, Peter R.; Chronister, Eric L.; Casanova, David; Wolf, Michael O.; Bardeen, Christopher J.. The article contains the following contents:

Covalently tethered bichromophores provide an ideal proving ground to develop strategies for controlling excited state behavior in chromophore assemblies. In this work, optical spectroscopy and electronic structure theory are combined to demonstrate that the oxidation state of a sulfur linker between anthracene chromophores gives control over not only the photophysics but also the photochem. of the mols. Altering the oxidation state of the sulfur linker does not change the geometry between chromophores, allowing electronic effects between chromophores to be isolated. Previously, we showed that excitonic states in sulfur-bridged terthiophene dimers were modulated by electronic screening of the sulfur lone pairs, but that the sulfur orbitals were not directly involved in these states. In the bridged anthracene dimers that are the subject of the current paper, the AOs of the unoxidized S linker can actively mix with the anthracene MOs to form new electronic states with enhanced charge transfer character, different excitonic coupling, and rapid (sub-nanosecond) intersystem crossing that depends on solvent polarity. However, the fully oxidized SO2 bridge restores purely through-space electronic coupling between anthracene chromophores and inhibits intersystem crossing. Photoexcitation leads to either internal conversion on a sub-20 ps timescale, or to the creation of a long-lived emissive state that is the likely precursor of the intramol. [4 + 4] photodimerization. These results illustrate how chem. modification of a single atom in the covalent bridge can dramatically alter not only the photophysics but also the photochem. of mols. The experimental part of the paper was very detailed, including the reaction process of 1,2-Diphenyldisulfane(cas: 882-33-7Related Products of 882-33-7)

1,2-Diphenyldisulfane(cas: 882-33-7) belongs to ethers.Oxygen is more electronegative than carbon, thus the alpha hydrogens of ethers are more acidic than those of simple hydrocarbons. Related Products of 882-33-7 They are far less acidic than alpha hydrogens of carbonyl groups (such as in ketones or aldehydes), however.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2022,Hu, Zhitao; Cao, Xiaohui; Zhang, Xiaohui; Wu, Bin; Luo, Wenjun; Huang, Huahua; Li, Le; Chen, Yongming published an article in ACS Macro Letters. The title of the article was 《Catalytically Controlled Ring-Opening Polymerization of 2-Oxo-15-crown-5 for Degradable and Recyclable PEG-Like Polyesters》.Computed Properties of C10H20O5 The author mentioned the following in the article:

Poly(ethylene glycol) (PEG) has been extensively used in diverse applications. However, it is not biodegradable and shows abnormal immune responses. Herein, a fast, controlled, ring-opening polymerization (ROP) of 2-oxo-15-crown-5 (O-15C5) is reported to prepare well-defined PEG-like polyesters, poly(O-15C5). This approach relies on a coordination between the macrocyclic monomer and Na+ that increases the electrophilicity of the carbonyl group of O-15C5 and leads to a fast controlled ROP (dispersity, DM < 1.2). Both computational and mechanistic studies show that the selective Na+ binding to the monomer over poly(O-15C5) allows the ring-opening initiation and propagation to be more energetically favorable than side transesterifications. This is the key to control the challenging entropy-driven ROP of O-15C5. Moreover, with the aid of Na+ and organic base, poly(O-15C5) depolymerized readily into O-15C5 in 2 h. Also, it degraded in a buffer of pH 7.4 by hydrolysis. After reading the article, we found that the author used 1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5Computed Properties of C10H20O5)

1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5) is a member of crown ether Ligands. Crown-ethers are macrocyclic polyethers capable of forming host-guest complexes, especially with inorganic and organic cations. Crown-ethers can incorporate protonated primary amine compounds by formation of ion-dipole bonds with the oxygen atoms of the chiral selector. Crown-ethers have been widely used for the separation of several pharmaceuticals both in aqueous and non-aqueous media. Computed Properties of C10H20O5

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,Synthetic Metals included an article by Berton, Nicolas; Nakar, Rana; Schmaltz, Bruno. SDS of cas: 101-70-2. The article was titled 《DMPA-containing carbazole-based hole transporting materials for perovskite solar cells: Recent advances and perspectives》. The information in the text is summarized as follows:

A review. Perovskite solar cells (PSC) based on metal-organic halide perovskites have emerged as one of the most promising photovoltaic technologies. Power conversion efficiency (PCE) has increased remarkably over the last few years from less than 10% up to certified efficiencies exceeding 23%. Selective interfacial layers play a critical role in charge extraction processes. In order to obtain high efficiencies, a hole transporting material (HTM) is required. Huge research efforts have been made to design efficient and low-cost materials. Carbazole-based HTMs are among the most promising new HTMs, in particular when they are substituted with dimethoxydiphenylamine (DMPA) units. This review gives an overview of the different classes of DMPA-containing carbazole-based HTMs and highlights the synthetic pathways, the structure-property relationship and the photovoltaic performances obtained in PSC devices. The relevance of structural variations and chem. doping processes is discussed with regard to efficiency and stability issues. In the experiment, the researchers used many compounds, for example, Bis(4-methoxyphenyl)amine(cas: 101-70-2SDS of cas: 101-70-2)

Bis(4-methoxyphenyl)amine(cas: 101-70-2) is a diphenylamine derivative used as a chemical additive for cured rubber.Bis(4-methoxyphenyl)amine is highly toxic and may potentially induce chromosome abberation.SDS of cas: 101-70-2

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem