Silver Catalyzed Bromination of Aromatics with N-bromosuccinimide

Zhang, Rui; Huang, Lei; Zhang, Yanfang; Chen, Xiaorong; Xing, Weihong; Huang, Jun

doi:10.1007/s10562-011-0764-2

Cited by 24 publications

(9 citation statements)

References 28 publications

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“…The silver nanoparticles combined with the acidic support β-hydroxy-β-methylbutyric acid (HMB) can activate both the aromatic ring and NBS (Scheme 221). 762 3.2.1.3. Bromination of Olefins and Other Aliphatic Compounds Using NBS.…”

Section: Aromatic Bromination Using Nbsmentioning

confidence: 99%

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

2016

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Bromination is one of the most important transformations in organic synthesis and can be carried out using bromine and many other bromo compounds. Use of molecular bromine in organic synthesis is well-known. However, due to the hazardous nature of bromine, enormous growth has been witnessed in the past several decades for the development of solid bromine carriers. This review outlines the use of bromine and different bromo-organic compounds in organic synthesis. The applications of bromine, a total of 107 bromo-organic compounds, 11 other brominating agents, and a few natural bromine sources were incorporated. The scope of these reagents for various organic transformations such as bromination, cohalogenation, oxidation, cyclization, ring-opening reactions, substitution, rearrangement, hydrolysis, catalysis, etc. has been described briefly to highlight important aspects of the bromo-organic compounds in organic synthesis.

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Section: Aromatic Bromination Using Nbsmentioning

confidence: 99%

Use of Bromine and Bromo-Organic Compounds in Organic Synthesis

2016

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“…In 2010, Wang and co‐workers reported an attractive set of conditions for the halogenation of a wide range of simple benzene derivatives using gold(III) chloride as catalyst 92. 93 Using just 0.01–1 mol % of AuCl 3 , arenes that bear electron‐donating groups were generally brominated, iodinated, or chlorinated in excellent yields of up to 98 % of isolated products. Notably, aromatic substrates that bear alkyl groups underwent selective halogenation of an aryl CH bond without competitive formation of benzyl halides, which is commonly observed with Brønsted or Lewis acid catalysts.…”

Section: Cheteroatom Bond Formationmentioning

confidence: 99%

Beyond Directing Groups: Transition‐Metal‐Catalyzed CH Activation of Simple Arenes

Kuhl¹,

Hopkinson²,

et al. 2012

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The use of coordinating moieties as directing groups for the functionalization of aromatic C-H bonds has become an established tool to enhance reactivity and induce regioselectivity. Nevertheless, with regard to the synthetic applicability of C-H activation, there is a growing interest in transformations in which the directing group can be fully abandoned, thus allowing the direct functionalization of simple benzene derivatives. However, this approach requires the disclosure of new strategies to achieve reactivity and to control selectivity. In this review, recent advances in the emerging field of non-chelate-assisted C-H activation are discussed, highlighting some of the most intriguing and inspiring examples of induction of reactivity and selectivity.

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“…Here in this paper the catalyst is silver nanocatalyst on mesoporous beta molecular sieve (HMB) (Scheme 63). [83] The synergistic effects between the silver nanoparticles and the HMB highly enhanced the efficiency of the bromination reaction.…”

Section: Formation Of Carbon‐halogen Bondmentioning

confidence: 99%