Month: November 2022

Font, Marc; Spencer, Andrew R. A.; Larrosa, Igor published an article in 2018, the title of the article was meta-C-H arylation of fluoroarenes via traceless directing group relay strategy.Product Details of 321-28-8 And the article contains the following content:

While several methods for the ortho selective arylation of fluoroarenes, meta-functionalization has never been achieved. We report a new methodol., based on the traceless directing group relay concept, leading to the first meta-selective (hetero)arylation of fluoroarenes. In this strategy, CO2 is introduced as a transient directing group, to control a Pd-catalyzed arylation meta to the fluoro functionality, prior to its release in a sequential, one-pot fashion. This method has shown compatibility with a number of functional groups and substitution patterns in both the fluoroarene core and aryl iodide coupling partners, and proceeds with complete meta-selectivity and mono vs. bis-arylation selectivity. The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).Product Details of 321-28-8

The Article related to fluoro biaryl preparation regioselective, aryl fluoride aryl iodide arylation decarboxylation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.Product Details of 321-28-8

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

On February 20, 2013, Fier, Patrick S.; Luo, Jingwei; Hartwig, John F. published an article.Category: ethers-buliding-blocks The title of the article was Copper-Mediated Fluorination of Arylboronate Esters. Identification of a Copper(III) Fluoride Complex. And the article contained the following:

A method for the direct conversion of arylboronate esters to aryl fluorides under mild conditions with readily available reagents is reported. Tandem reactions have also been developed for the fluorination of arenes and aryl bromides through arylboronate ester intermediates. Mechanistic studies suggest that this fluorination reaction occurs through facile oxidation of Cu(I) to Cu(III), followed by rate-limiting transmetalation of a bound arylboronate to Cu(III). Fast C-F reductive elimination is proposed to occur from an aryl-copper(III)-fluoride complex. Cu(III) intermediates have been generated independently and identified by NMR spectroscopy and ESI-MS. The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).Category: ethers-buliding-blocks

The Article related to copper catalyzed fluorination arylboronate ester mechanism, tandem fluorination arene aryl bromide, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.Category: ethers-buliding-blocks

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

On July 2, 1982, Brown, John M.; Parker, David published an article.Synthetic Route of 81616-80-0 The title of the article was Mechanism of asymmetric hydrogenation. Rhodium complexes formed by unsaturated carboxylic acids, carboxylates, and carboxamides. And the article contained the following:

��Unsaturated acids displace solvent from (R,R)-I (L = MeOH) cation, forming chelate complexes in which olefin and carboxylate are bound to the metal. The strength of complexation is enhanced in basic media and propenoic or 2-methylpropenoic acid form a different type of species with 2:1 stoichiometry in the absence of base. ��And ��unsaturated amides likewise form complexes in which olefin and carboxamide O are bound to Rh. The ratio of diastereomers observed by 31P NMR does not correlate with optical yields in hydrogenation of these precursors. In related experiments with (R,R)-[1,2-bis(o-anisylphenylphosphino)ethane]bis(methanol)rhodium cation, 2-methylenesuccinic acid and its Me esters gave a variety of complexes, including tridentate species where both carboxyl groups and olefin were concomitantly bound. The experimental process involved the reaction of (S)-2-(2-Methoxyphenyl)propanoic acid(cas: 81616-80-0).Synthetic Route of 81616-80-0

The Article related to asym hydrogenation rhodium complex, rhodium carboxylate carboxamide complex, olefin rhodium complex, Organometallic and Organometalloidal Compounds: Group Viii – Co, Ni, Ru, Rh, Pd, Os, Ir, Pt and other aspects.Synthetic Route of 81616-80-0

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

Xu, Haiyan; Hu, Lanping; Zhu, Guanghua; Zhu, Yueping; Wang, Yang; Wu, Zheng-Guang; Zi, You; Huang, Weichun published an article in 2022, the title of the article was DABCO as a practical catalyst for aromatic halogenation with N-halosuccinimides.Product Details of 91-16-7 And the article contains the following content:

A simple and practical synthetic approach for synthesis of aromatic halides was developed. Simple Lewis base, DABCO, was used as the catalyst. This arene halogenation process proceeded conveniently and efficiently at ambient conditions, providing the desired products in good to excellent yields and selectivity. The experimental process involved the reaction of 1,2-Dimethoxybenzene(cas: 91-16-7).Product Details of 91-16-7

The Article related to aromatic compound halosuccinimide dabco catalyst halogenation, aryl halide regioselective preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.Product Details of 91-16-7

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

Xu, Haiyan; Hu, Lanping; Zhu, Guanghua; Zhu, Yueping; Wang, Yang; Wu, Zheng-Guang; Zi, You; Huang, Weichun published an article in 2022, the title of the article was DABCO as a practical catalyst for aromatic halogenation with N-halosuccinimides.COA of Formula: C8H10O2 And the article contains the following content:

A simple and practical synthetic approach for synthesis of aromatic halides was developed. Simple Lewis base, DABCO, was used as the catalyst. This arene halogenation process proceeded conveniently and efficiently at ambient conditions, providing the desired products in good to excellent yields and selectivity. The experimental process involved the reaction of 1,4-Dimethoxybenzene(cas: 150-78-7).COA of Formula: C8H10O2

The Article related to aromatic compound halosuccinimide dabco catalyst halogenation, aryl halide regioselective preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.COA of Formula: C8H10O2

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

Jakobsson, Jimmy Erik; Riss, Patrick Johannes published an article in 2018, the title of the article was Transition metal free, late-stage, regiospecific, aromatic fluorination on a preparative scale using a KF/crypt-222 complex.Safety of 1-Fluoro-2-methoxybenzene And the article contains the following content:

The development of a convenient, regioselective, aromatic fluorination method of hypervalent iodonium ylides for synthesizing fluoro-arenes on a preparative scale was reported. This transition metal free, nucleophilic methodol. provided good yields for sterically hindered substrates, irresp. of activation. The methodol. simplified reference synthesis for PET imaging. The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).Safety of 1-Fluoro-2-methoxybenzene

The Article related to phenyl iodaneylidene preparation kf crypt 222 regioselective green fluorination, fluorobenzene preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.Safety of 1-Fluoro-2-methoxybenzene

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

On September 3, 2021, Palav, Amey; Misal, Balu; Chaturbhuj, Ganesh published an article.Recommanded Product: 2-Methylanisole The title of the article was NCBSI/KI: A Reagent System for Iodination of Aromatics through In Situ Generation of I-Cl. And the article contained the following:

In-situ iodine monochloride (I-Cl) generation followed by iodination of aromatics using NCBSI/KI system was developed. The NCBSI reagent required no activation due to longer bond length, lower bond dissociation energy, and higher absolute charge d. on nitrogen. The system was adequate for mono- and diiodination of a wide range of moderate to highly activated arenes with good yield and purity. Moreover, the precursor N-(benzenesulfonyl)benzenesulfonamide was recovered and transformed to NCBSI and made the protocol eco-friendly and cost-effective. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).Recommanded Product: 2-Methylanisole

The Article related to arene chlorophenylsulfonyl benzenesulfonamide potassium iodide iodination green chem, iodoarene preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.Recommanded Product: 2-Methylanisole

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

On March 12, 2014, Lee, Hong Geun; Milner, Phillip J.; Buchwald, Stephen L. published an article.SDS of cas: 321-28-8 The title of the article was Pd-Catalyzed Nucleophilic Fluorination of Aryl Bromides. And the article contained the following:

On the basis of mechanism-driven reaction design, a Pd-catalyzed nucleophilic fluorination of aryl bromides and iodides has been developed. The method exhibits a broad substrate scope, especially with respect to nitrogen-containing heteroaryl bromides, and proceeds with minimal formation of the corresponding reduction products. A facilitated ligand modification process was shown to be critical to the success of the reaction. The experimental process involved the reaction of 1-Fluoro-2-methoxybenzene(cas: 321-28-8).SDS of cas: 321-28-8

The Article related to palladium catalyzed nucleophilic fluorination aryl bromide iodide ligand modification, aryl fluoride preparation, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Halides and Halonium Compounds and other aspects.SDS of cas: 321-28-8

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