Literature DB >> 22984846

One-pot transition-metal-free synthesis of dibenzo[b,f]oxepins from 2-halobenzaldehydes.

Young Lok Choi1, Hye Sun Lim, Hwan Jung Lim, Jung-Nyoung Heo.   

Abstract

A one-pot transition-metal-free, base-mediated synthesis of dibenzo[b,f]oxepins was developed. The reaction of 2-halobenzaldehydes with (2-hydroxyphenyl)acetonitriles proceeds via a sequential aldol condensation and intramolecular ether formation reaction in the presence of Cs(2)CO(3) and molecular sieves in toluene.

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Year:  2012        PMID: 22984846     DOI: 10.1021/ol302371s

Source DB:  PubMed          Journal:  Org Lett        ISSN: 1523-7052            Impact factor:   6.005


  2 in total

1.  New short strategy for the synthesis of the dibenz[b,f]oxepin scaffold.

Authors:  David R R Moreno; Giorgio Giorgi; Cristian O Salas; Ricardo A Tapia
Journal:  Molecules       Date:  2013-11-29       Impact factor: 4.411

2.  Synthesis of 2H-Chromenones from Salicylaldehydes and Arylacetonitriles.

Authors:  Chengcai Li; Hailin Zhu; Hang Zhang; Yongfeng Yang; Feng Wang
Journal:  Molecules       Date:  2017-07-18       Impact factor: 4.411

  2 in total

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