Literature DB >> 26435394

Lewis acid-base 1,2-addition reactions: synthesis of pyrylium borates from en-ynoate precursors.

Lewis C Wilkins1, Hugh B Hamilton1, Benson M Kariuki1, A Stephen K Hashmi2, Max M Hansmann3, Rebecca L Melen1.   

Abstract

Treatment of methyl (Z)-2-alken-4-ynoates with the strong Lewis acid tris(pentafluorophenyl) borane, B(C6F5)3, yield substituted zwitterionic pyrylium borate species via an intramolecular 6-endo-dig cyclisation reaction.

Entities:  

Year:  2016        PMID： 26435394     DOI： 10.1039/c5dt03340c

Source DB:  PubMed          Journal:  Dalton Trans        ISSN： 1477-9226            Impact factor:   4.390


  2 in total

1.  Mechanistic Studies of Formal Thioboration Reactions of Alkynes.

Authors:  Adena Issaian; Darius J Faizi; Johnathan O Bailey; Peter Mayer; Guillaume Berionni; Daniel A Singleton; Suzanne A Blum
Journal:  J Org Chem       Date:  2017-07-14       Impact factor: 4.354

2.  Contrasting Frustrated Lewis Pair Reactivity with Selenium- and Boron-Based Lewis Acids.

Authors:  Lewis C Wilkins; Benjamin A R Günther; Melanie Walther; James R Lawson; Thomas Wirth; Rebecca L Melen
Journal:  Angew Chem Int Ed Engl       Date:  2016-08-03       Impact factor: 15.336
  2 in total

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