Category: 2567-29-5

On December 17, 2021, Li, Wangbing; Lu, Zhichao; Hammond, Gerald B.; Xu, Bo published an article.Electric Literature of 2567-29-5 The title of the article was Unbalanced-Ion-Pair-Catalyzed Nucleophilic Fluorination Using Potassium Fluoride. And the article contained the following:

An unbalanced ion pair promoter (e.g., tetrabutylammonium sulfate), consisting of a bulky and charge-delocalized cation and a small and charge-localized anion, greatly accelerated nucleophilic fluorinations using easy handling KF. An inexpensive and com. available ion-exchange resin was successfully converted to the polymer-supported ion pair promoter (A26-SO42-), which could be reused after filtration. Moreover, A26-SO42- could be used in continuous flow conditions. Water was well-tolerated. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Electric Literature of 2567-29-5

The Article related to alkyl fluoride preparation, methanesulfonate alkyl nucleophilic fluorination unbalanced ion pair catalyst, bromide alkyl nucleophilic fluorination unbalanced ion pair catalyst, sulfonyl fluoride preparation, chloride sulfonyl nucleophilic fluorination unbalanced ion pair catalyst and other aspects.Electric Literature of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Gong, Lingzhen; Zhao, He; Yang, Jian; Jiang, Huanfeng; Zhang, Min published an article in 2021, the title of the article was Selective construction of fused heterocycles by an iridium-catalyzed reductive three-component annulation reaction.Computed Properties of 2567-29-5 And the article contains the following content:

Here, through an initial pretreatment of N-heteroarenes with alkyl bromide, a syn-selective construction of functional fused heterocycles, chromenoquinolinones I [R1 = H, 7-Br, 10-NO2, etc.; R2 = CH2CH=CH2, Ph, 4-MeC6H4, etc.; R3 = H, Me; R4 = Me, Ph, 2-furyl] and chromenopyranoquinolinones II [R5 = H, 10-Me, 7-Br, etc.; R6 = H, 3-MeO, 2-Br, etc.] via iridium catalyzed reductive annulation of N-heteroarenium salts with formaldehyde and cyclic 1,3-diketones or 4-hydroxycoumarins, proceeding with broad substrate scope, good functional group compatibility, readily available feedstocks, and high step and atom efficiency was described. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Computed Properties of 2567-29-5

The Article related to chromenoquinolinone preparation diastereoselective, cyclohexanedione quinolinium bromide selective reductive annulation iridium catalyzed, chromenopyranoquinolinone preparation diastereoselective, hydroxycoumarin quinolinium bromide selective reductive annulation iridium catalyzed and other aspects.Computed Properties of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On September 5, 2022, Zhang, Yan-Dong; Li, Xiao-Yu; Mo, Qian-Kun; Shi, Wen-Bin; Zhao, Jia-Bao; Zhu, Shou-Fei published an article.HPLC of Formula: 2567-29-5 The title of the article was Highly Regioselective Cobalt-Catalyzed Hydroboration of Internal Alkynes. And the article contained the following:

Herein, we report the development of new Co complexes that have cyclopropane-based diphosphine ligands and can catalyze highly chemo-, regio-, and stereoselective hydroboration reactions of unsym. internal alkynes. These reactions exhibited unusual regioselectivity: specifically, reactions of aryl alkyl internal alkynes showed excellent cis-β-addition selectivity, and reactions of dialkyl internal alkynes gave excellent cis-α-addition selectivity. Highly regioselective hydroboration of unsym. dialkyl internal alkynes cannot be achieved by other known methods. The reactions described herein are highly synthetically useful, particularly for the stereoselective synthesis of trisubstituted alkenylborates and alkenes. Mechanistic studies indicate that a CoI-H species is a plausible active catalyst and the rigid structure of the cyclopropane skeleton of the ligands and the crowded reaction pocket were responsible for the unprecedented regioselectivity. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).HPLC of Formula: 2567-29-5

The Article related to regioselective stereoselective cobalt catalyst hydroboration internal alkyne dft mechanism, cobalt cyclopropanediphosphine complex preparation catalyst regioselective hydroboration internal alkyne, crystal structure mol cobalt cyclopropane diphosphine complex preparation, alkenylborates, cobalt catalysis, diphosphine ligands, hydroboration, internal alkynes and other aspects.HPLC of Formula: 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

Turksoy, Abdurrahman; Scattolin, Thomas; Bouayad-Gervais, Samir; Schoenebeck, Franziska published an article in 2020, the title of the article was Facile Access to AgOCF3 and Its New Applications as a Reservoir for OCF2 for the Direct Synthesis of N-CF3, Aryl or Alkyl Carbamoyl Fluorides.Safety of 4-(Bromomethyl)-1,1′-biphenyl And the article contains the following content:

Herein, a straightforward and quant. strategy for the preparation of valuable AgOCF3 at room temperature and showcase its performance in trifluoromethoxylations or as reservoir for O=CF2 was showed. This enabled the direct, practical and safe synthesis of valuable N-alkyl/aryl carbamoyl fluorides and N-CF3 carbamoyl fluorides from secondary amines and isothiocyanides, resp. Mechanistic data indicated that AgOCF3 does not liberate O=CF2 until it was activated by a nucleophilic co-reagent, reinforcing the stability of the salt under new preparation strategy. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Safety of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to silver trifluoromethoxide green preparation, trifluoromethyl ether preparation, alkyl halide silver trifluoromethoxide substitution, alc alkyl silver trifluoromethoxide dehydrotrifluoromethoxylation, carbamoyl fluoride preparation, n-trifluoromethyl, carbamoyl fluorides, fluorination, mechanism, synthetic methods and other aspects.Safety of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On July 7, 2021, Zhang, Shuai; Xiao, Jun-Zhao; Li, Yan-Bo; Shi, Chang-Yun; Yin, Liang published an article.Synthetic Route of 2567-29-5 The title of the article was Copper(I)-Catalyzed Asymmetric Alkylation of Unsymmetrical Secondary Phosphines. And the article contained the following:

A Cu(I)-catalyzed asym. alkylation of HPAr1Ar2 with alkyl halides is uncovered, which provides an array of P-stereogenic phosphines in generally high yield and enantioselectivity. The electrophilic alkyl halides enjoy a broad substrate scope, including allyl bromides, propargyl bromide, benzyl bromides, and alkyl iodides. Also, 11 unsym. diarylphosphines (HPAr1Ar2) serve as competent pronucleophiles. The present methodol. is also successfully applied to catalytic asym. double and triple alkylation, and the corresponding products were obtained in moderate diastereo- and excellent enantioselectivities. Some 31P NMR experiments indicate that bulky HPPhMes exhibits weak competitively coordinating ability to the Cu(I)-bisphosphine complex, and thus the presence of stoichiometric HPAr1Ar2 does not affect the enantioselectivity significantly. Therefore, the high enantioselectivity in this reaction is attributed to the high performance of the unique Cu(I)-(R,RP)-TANIAPHOS complex in asym. induction. Finally, one monophosphine and two bisphosphines prepared by the present reaction are employed as efficient chiral ligands to afford three structurally diversified Cu(I) complexes, which demonstrates the synthetic utility of the present methodol. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Synthetic Route of 2567-29-5

The Article related to chiral benzyldiarylphosphine sulfide preparation crystal structure, crystal structure chiral benzyldiarylphosphine sulfide bisphosphine copper bridging halide, mol structure chiral benzyldiarylphosphine sulfide bisphosphine copper bridging halide, bisphosphine copper bridging halide cage complex preparation crystal structure and other aspects.Synthetic Route of 2567-29-5

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary

On April 16, 2021, Xu, Changming; Qi, Yinsheng; Yang, Xinshuang; Li, Xiangfan; Li, Zhenpeng; Bai, Lei published an article.Safety of 4-(Bromomethyl)-1,1′-biphenyl The title of the article was Development of C2-Symmetric Chiral Spirocyclic Phase-Transfer Catalysts: Synthesis and Application to Asymmetric Alkylation of Glycinate Schiff Base. And the article contained the following:

A class of C2-sym. chiral spirocyclic phase-transfer catalysts based on the tetramethyl-1,1′-spirobiindane scaffold such as I·Br- was synthesized from com. available bisphenol A in 12 steps in 22-25% total yields; the scaffold features a more rigid and stable backbone and smaller dihedral angles and can be easily modified. These catalysts show high catalytic performance in the asym. alkylation of tert-Bu glycinate Schiff base Ph2C:NCH2CO2t-Bu at only 2 mol % catalyst loading, giving nonracemic protected α-amino acid esters such as (R)-Ph2C:NCH(CH2Ph)CO2t-Bu in up to 92% yield and 98% ee. The experimental process involved the reaction of 4-(Bromomethyl)-1,1′-biphenyl(cas: 2567-29-5).Safety of 4-(Bromomethyl)-1,1′-biphenyl

The Article related to spirobiindanoazocinium nonracemic preparation catalyst enantioselective phase transfer alkylation, diphenylmethyleneamino ester enantioselective preparation, nonracemic spirobiindanoazocinium bromide enantioselective phase transfer alkylation catalyst, alkyl bromide enantioselective alkylation diphenylmethyleneamino ester spirobiindanoazocinium catalyst and other aspects.Safety of 4-(Bromomethyl)-1,1′-biphenyl

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary