Category: 1530-32-1

The author of 《Nickel-Catalyzed Reductive Arylalkylation via a Migratory Insertion/Decarboxylative Cross-Coupling Cascade》 were Jin, Youxiang; Yang, Haobo; Wang, Chuan. And the article was published in Organic Letters in 2019. Recommanded Product: Ethyltriphenylphosphonium bromide The author mentioned the following in the article:

Reported is a nickel-catalyzed reductive arylalkylation of unactivated alkenes tethered to aryl iodides with redox active N-hydroxyphthalimide esters as the alkyl source through successful merging of migratory insertion and decarboxylative cross-coupling in a cascade. This new method avoids the use of pregenerated organometallic reagents and thus enables the synthesis of diverse benzene-fused carbo- and heterocyclic compounds with high tolerance of a wide range of functional groups. The experimental part of the paper was very detailed, including the reaction process of Ethyltriphenylphosphonium bromide(cas: 1530-32-1Recommanded Product: Ethyltriphenylphosphonium bromide)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Recommanded Product: Ethyltriphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Ferretti, Francesco; Fouad, Manar Ahmed; Ragaini, Fabio published an article in Catalysts. The title of the article was 《Synthesis of Indoles by Palladium-Catalyzed Reductive Cyclization of β-Nitrostyrenes with Phenyl Formate as a CO Surrogate》.Safety of Ethyltriphenylphosphonium bromide The author mentioned the following in the article:

The synthesis of indoles by reductive cyclization of o-nitrostyrenes using Ph formate as a CO surrogate, using a palladium/1,10-phenanthroline complex as catalyst was recently reported. However, depending on the desired substituents on the structure, the use of β-nitrostyrenes as alternative reagents may be advantageous. The results of this study on the possibility to use Ph formate as a CO surrogate in the synthesis of indoles by reductive cyclization of β-nitrostyrenes, using PdCl2(CH3CN)2+phenanthroline as the catalyst was reported. It turned out that good results obtained when the starting nitrostyrene bears an aryl substituent in the alpha position. However, when no such substituent present, only fair yield of indole was obtained because the base required to decompose the formate also catalyzes an oligo-polymerization of the starting styrene. The reaction performed in a single glass pressure tube, a cheap and easily available piece of equipment. After reading the article, we found that the author used Ethyltriphenylphosphonium bromide(cas: 1530-32-1Safety of Ethyltriphenylphosphonium bromide)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Safety of Ethyltriphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Product Details of 1530-32-1In 2021 ,《Reductive Activation and Hydrofunctionalization of Olefins by Multiphoton Tandem Photoredox Catalysis》 appeared in ACS Catalysis. The author of the article were Czyz, Milena L.; Taylor, Mitchell S.; Horngren, Tyra H.; Polyzos, Anastasios. The article conveys some information:

The conversion of olefin feedstocks to architecturally complex alkanes represents an important strategy in the expedient generation of valuable mols. for the chem. and life sciences. Synthetic approaches are reliant on the electrophilic activation of unactivated olefins, necessitating functionalization with nucleophiles. However, the reductive functionalization of unactivated and less activated olefins with electrophiles remains an ongoing challenge in synthetic chem. Here, we report the nucleophilic activation of inert styrenes through a photoinduced direct single electron reduction to the corresponding nucleophilic radical anion. Central to this approach is the multiphoton tandem photoredox cycle of the iridium photocatalyst [Ir(ppy)2(dtb-bpy)]PF6, which triggers in situ formation of a high-energy photoreductant that selectively reduces styrene olefinic π bonds to radical anions without stoichiometric reductants or dissolving metals. This mild strategy enables the chemoselective reduction and hydrofunctionalization of styrenes to furnish valuable alkane and tertiary alc. derivatives Mechanistic studies support the formation of a styrene olefinic radical anion intermediate and a Birch-type reduction involving two sequential single electron transfers. Overall, this complementary mode of olefin activation achieves the hydrofunctionalization of less activated alkenes with electrophiles, adding value to abundant olefins as valuable building blocks in modern synthetic protocols. In the experiment, the researchers used Ethyltriphenylphosphonium bromide(cas: 1530-32-1Product Details of 1530-32-1)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Product Details of 1530-32-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

HPLC of Formula: 1530-32-1In 2022 ,《Contra-thermodynamic Olefin Isomerization by Chain-Walking Hydroboration and Dehydroboration》 was published in Organic Letters. The article was written by Hanna, Steven; Bloomer, Brandon; Ciccia, Nicodemo R.; Butcher, Trevor W.; Conk, Richard J.; Hartwig, John F.. The article contains the following contents:

Dehydroboration is coupled with chain-walking hydroboration to create a one-pot, contra-thermodn., short- or long-range isomerization of internal olefins to terminal olefins. This dehydroboration occurs by a sequence comprising activation with a nucleophile, iodination, and base-promoted elimination. The isomerization proceeds at room temperature without the need for a fluoride base, and the substrate scope of this isomerization is expanded over those of previous isomerizations authors have reported with silanes. In the experiment, the researchers used many compounds, for example, Ethyltriphenylphosphonium bromide(cas: 1530-32-1HPLC of Formula: 1530-32-1)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.HPLC of Formula: 1530-32-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Iwamoto, Hiroaki; Tsuruta, Takuya; Ogoshi, Sensuke published their research in ACS Catalysis in 2021. The article was titled 《Development and Mechanistic Studies of (E)-Selective Isomerization/Tandem Hydroarylation Reactions of Alkenes with a Nickel(0)/Phosphine Catalyst》.Recommanded Product: Ethyltriphenylphosphonium bromide The article contains the following contents:

A stereoselective alkene isomerization and sequential hydroarylation with arylboronic acid using a nickel(0) catalyst was developed. The bulky monophosphine PAd2(n-Bu) was an effective ligand in these reactions to furnish both various stereo-defined internal alkenes and hydroarylation products (isomerization: up to 98%, E/Z = 98:2; tandem hydroarylation: up to 82%). Mechanistic studies based on experiments and computational calculations suggested that the isomerization proceeds via an intra- or intermol. hydrogen shift. Furthermore, a concerted multibond recombination with boronic acid-assisted oxidative protometallation of the alkene were found to be a reasonable mechanism for the formation of the alkylnickel(II) species from the alkene, nickel(0), alc., and boronic acid in the hydroarylation. After reading the article, we found that the author used Ethyltriphenylphosphonium bromide(cas: 1530-32-1Recommanded Product: Ethyltriphenylphosphonium bromide)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. It is also used as catalysts in the synthesis of certain organic compounds and as a pharmaceutical intermediate.Recommanded Product: Ethyltriphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

The author of 《Funneling aromatic products of chemically depolymerized lignin into 2-pyrone-4-6-dicarboxylic acid with Novosphingobium aromaticivorans》 were Perez, Jose M.; Kontur, Wayne S.; Alherech, Manar; Coplien, Jason; Karlen, Steven D.; Stahl, Shannon S.; Donohue, Timothy J.; Noguera, Daniel R.. And the article was published in Green Chemistry in 2019. Electric Literature of C20H20BrP The author mentioned the following in the article:

Lignin is an aromatic heteropolymer found in plant biomass. Depolymerization of lignin, either through biol. or chem. means, invariably produces heterogenous mixtures of low mol. weight aromatic compounds Microbes that can metabolize lignin-derived aromatics have evolved pathways that funnel these heterogeneous mixtures into a few common intermediates before opening the aromatic ring. In this work, we engineered Novosphingobium aromaticivorans DSM12444, via targeted gene deletions, to use its native funneling pathways to simultaneously convert plant-derived aromatic compounds containing syringyl (S), guaiacyl (G), and p-hydroxyphenyl (H) aromatic units into 2-pyrone-4,6-dicarboxylic acid (PDC), a potential polyester precursor. In batch cultures containing defined media, the engineered strain converted several of these depolymerization products, including S-diketone and G-diketone (non-natural compounds specifically produced by chem. depolymerization), into PDC with yields ranging from 22% to 100%. In batch cultures containing a heterogeneous mixture of aromatic monomers derived from chem. depolymerization of poplar lignin, 59% of the measured aromatic compounds were converted to PDC. Overall, our results show that N. aromaticivorans has ideal characteristics for its use as a microbial platform for funneling heterogeneous mixtures of lignin depolymerization products into PDC or other commodity chems. The experimental part of the paper was very detailed, including the reaction process of Ethyltriphenylphosphonium bromide(cas: 1530-32-1Electric Literature of C20H20BrP)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Electric Literature of C20H20BrP

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Nakashima, Yusei; Matsumoto, Junki; Nishikata, Takashi published their research in ACS Catalysis in 2021. The article was titled 《Iron-Catalyzed Stereoconvergent Tertiary Alkylation of (E)- and (Z)-Mixed Internal Olefins with Functionalized Tertiary Alkyl Halides》.SDS of cas: 1530-32-1 The article contains the following contents:

Herein, an efficient method for the stereoconvergent tertiary alkylations of (E)- and (Z)-mixed internal olefins (styrenes, enamides, and vinylic ethers) to produce trisubstituted olefins bearing a quaternary carbon center via an addition/elimination reaction in the presence of an iron catalyst. (E)- and (Z)-mixed internal olefins with various E/Z ratios reacted smoothly with α-bromocarbonyls as a tertiary alkyl source to exclusively produce (E)-trisubstituted olefins was reported. Mechanistic studies revealed that each of the (E)- and (Z)-internal olefins exhibited the same reactivity, and the exclusive generation of (E)-trisubstituted olefin products could be attributed to the β-hydrogen elimination of an alkyl iron species. The developed method can be used to synthesize highly congested trisubstituted olefins containing a quaternary carbon atom that bears various alkyl chains. In the experimental materials used by the author, we found Ethyltriphenylphosphonium bromide(cas: 1530-32-1SDS of cas: 1530-32-1)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. It is also used as catalysts in the synthesis of certain organic compounds and as a pharmaceutical intermediate.SDS of cas: 1530-32-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

In 2022,Duan, Shengzu; Zi, Yujin; Wang, Lingling; Cong, Jielun; Chen, Wen; Li, Minyan; Zhang, Hongbin; Yang, Xiaodong; Walsh, Patrick J. published an article in Chemical Science. The title of the article was 《α-Branched amines through radical coupling with 2-azaallyl anions, redox active esters and alkenes》.Related Products of 1530-32-1 The author mentioned the following in the article:

Herein, a unique cascade reaction that enables the preparation of α-branched amines I (R = Me, Ad, oxan-4-ylmethyl, etc.; R1 = H, Me, Ph; R2 = Ph; R1R2 = -(CH2)2CH(Ph)(CH2)2-; R3 = H, Me; R4 = Ph, 4-chlorophenyl, furan-3-yl, etc.) and 3-methyl-1,2,2-triphenylpentan-1-amine bearing aryl or alkyl groups at the β- or γ-positions is reported. The cascade is initiated by reduction of redox active esters II to alkyl radicals. The resulting alkyl radicals are trapped by styrene derivatives, R1C(R2)=CHR3 leading to benzylic radicals. The persistent 2-azaallyl radicals and benzylic radicals are proposed to undergo a radical-radical coupling leading to functionalized amine products I and 3-methyl-1,2,2-triphenylpentan-1-amine. Evidence is provided that the role of the nickel catalyst is to promote formation of the alkyl radical from the redox active ester and not promote the C-C bond formation. The synthetic method introduced herein tolerates a variety of imines III and redox active esters II, allowing for efficient construction of amine building blocks. The experimental part of the paper was very detailed, including the reaction process of Ethyltriphenylphosphonium bromide(cas: 1530-32-1Related Products of 1530-32-1)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Related Products of 1530-32-1

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Electric Literature of C20H20BrPIn 2021 ,《Regio-regular poly(thienylene vinylene)s (rr-PTVs) through acyclic diene metathesis (ADMET) polymerization and the impact of alkyl side-chains on polymer molecular weight and solubility》 appeared in Polymer. The author of the article were Katba-Bader, Yousef M.; Meng, Lingyao; Guan, Chao; Qin, Yang. The article conveys some information:

Poly(thienylene vinylene) (PTV) is one of the prototypical conjugated polymers (CPs) that has received relatively little attention. The insertion of one small double bond between every pair of adjacent thiophene units in PTV structures potentially allow direct functionalization of the thienyl rings, which can fine-tune polymer electronic properties without significantly impact main-chain planarity. However, synthetic methods leading to such tailor-designed PTVs are scarce. In this paper, we report a new synthetic strategy that produces a series of regio-regular (rr) PTVs bearing bromine atoms and different alkyl side-chains on every thiophene unit. The methodol. starts with synthesis of well-defined dimeric monomers that lead to rr-PTVs upon ADMET polymerization The monomers and polymers are fully characterized by NMR and absorption spectroscopy. We found that linear and slightly branched alkyl chains led to precipitation during the polymerization process and thus low apparent mol. weight due to limited polymer solubility, while long-branched and bulky silyl-alkyl ether chains led to PTVs with greater solubility and higher mol. weights After reading the article, we found that the author used Ethyltriphenylphosphonium bromide(cas: 1530-32-1Electric Literature of C20H20BrP)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. CatOnium ETPB is also used as catalysts in the synthesis of certain organic compounds.Electric Literature of C20H20BrP

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Monsigny, Louis; Cejas Sanchez, Joel; Piatkowski, Jakub; Kajetanowicz, Anna; Grela, Karol published their research in Organometallics in 2021. The article was titled 《Synthesis and Catalytic Properties of a Very Latent Selenium-Chelated Ruthenium Benzylidene Olefin Metathesis Catalyst》.Safety of Ethyltriphenylphosphonium bromide The article contains the following contents:

Herein, authors describe a study of the synthesis, characterization, and catalytic properties of a cis-dichlorido seleno-chelated Hoveyda-Grubbs type complex (Ru8). Such a complex has been obtained through a straightforward and high-yielding synthetic protocol in three steps from the com. available 2-bromobenzaldehyde in good overall yield (54%). The catalytic profile, especially the latency of this complex, has been probed through selected olefin metathesis reactions such as ring-closing metathesis (RCM), self-cross-metathesis (self-CM) and ring-opening metathesis polymerization (ROMP). In addition to its high latency, the selenium Hoveyda-type complex Ru8 exhibits a switchable behavior upon thermal activation. Of interest, while the corresponding sulfur-chelated Hoveyda type catalyst is reported to be only activated by heat, the selenium analog was active upon both heat and light irradiation The results came from multiple reactions, including the reaction of Ethyltriphenylphosphonium bromide(cas: 1530-32-1Safety of Ethyltriphenylphosphonium bromide)

Ethyltriphenylphosphonium bromide(cas: 1530-32-1) is a phase transfer catalyst, used to accelerate the cure of phenolic-based epoxy resins, certain fluoroelastomer resins and thermosetting powder coatings. It is also used as catalysts in the synthesis of certain organic compounds and as a pharmaceutical intermediate.Safety of Ethyltriphenylphosphonium bromide

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary