Literature DB >> 14765263

A mild and efficient procedure for alpha-bromination of ketones using N-bromosuccinimide catalysed by ammonium acetate.

Kiyoshi Tanemura1, Tsuneo Suzuki, Yoko Nishida, Koko Satsumabayashi, Takaaki Horaguchi.   

Abstract

Cyclic ketones reacted with N-bromosuccinimide (NBS) catalysed by NH(4)OAc in Et(2)O at 25 degrees C to give the corresponding alpha-brominated ketones in good yields, while acyclic ketones were efficiently brominated in CCl(4) at 80 degrees C.

Entities:  

Year:  2004        PMID： 14765263     DOI： 10.1039/b315340a

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  9 in total

1.  Coupling of sterically hindered trisubstituted olefins and benzocyclobutenones by C-C activation: total synthesis and structural revision of cycloinumakiol.

Authors:  Tao Xu; Guangbin Dong
Journal:  Angew Chem Int Ed Engl       Date:  2014-08-19       Impact factor: 15.336

2.  Simple and regioselective bromination of 5,6-disubstituted-indan-1-ones with Br2 under acidic and basic conditions.

Authors:  Taeyoung Choi; Eunsook Ma
Journal:  Molecules       Date:  2007-01-29       Impact factor: 4.411

3.  Substrate Directed Regioselective Monobromination of Aralkyl Ketones Using N-Bromosuccinimide Catalysed by Active Aluminium Oxide: α -Bromination versus Ring Bromination.

Authors:  Reddy Bodireddy Mohan; G Trivikram Reddy; N C Gangi Reddy
Journal:  ISRN Org Chem       Date:  2014-03-04

4.  Copper-catalyzed cascade annulation of unsaturated α-bromocarbonyls with enynals: a facile access to ketones from aldehydes.

Authors:  Chao Che; Qianwen Huang; Hanliang Zheng; Gangguo Zhu
Journal:  Chem Sci       Date:  2016-03-04       Impact factor: 9.825

5.  Crystal structure of 1-[3,5-bis-(tri-fluoro-meth-yl)phen-yl]-2-bromo-ethan-1-one.

Authors:  Sandeep Chandrashekharappa; Keshab M Bairagi; Mahendra K Mohan; Viresh Mohanlall; Kabange Kasumbwe; Katharigatta N Venugopala; Susanta K Nayak
Journal:  Acta Crystallogr E Crystallogr Commun       Date:  2018-05-31

6.  Development of a High-Strength and Adhesive Polyacrylamide Gel for Well Plugging.

Authors:  Li Cheng; Yi Qin; Yubin Su; Yuan Pan; Ying Wang; Ruiquan Liao; Zhen Li
Journal:  ACS Omega       Date:  2022-02-11

7.  Synthesis and herbicidal activities of novel 4-(4-(5-methyl-3-arylisoxazol-4-yl)thiazol-2-yl)piperidyl carboxamides and thiocarboxamides.

Authors:  De-Jin Hu; Su-Fang Liu; Tong-Hui Huang; Hai-Yang Tu; Ai-Dong Zhang
Journal:  Molecules       Date:  2009-03-24       Impact factor: 4.411

8.  Synthesis and Antiproliferative Evaluation of Novel Longifolene-Derived Tetralone Derivatives Bearing 1,2,4-Triazole Moiety.

Authors:  Xia-Ping Zhu; Gui-Shan Lin; Wen-Gui Duan; Qing-Min Li; Fang-Yao Li; Shun-Zhong Lu
Journal:  Molecules       Date:  2020-02-22       Impact factor: 4.411

9.  Orthogonal Stability and Reactivity of Aryl Germanes Enables Rapid and Selective (Multi)Halogenations.

Authors:  Christoph Fricke; Kristina Deckers; Franziska Schoenebeck
Journal:  Angew Chem Int Ed Engl       Date:  2020-08-20       Impact factor: 16.823
  9 in total

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