Literature DB >> 12737599

Efficient and regioselective synthesis of 2-alkyl-2H-indazoles.

Mui Cheung1, Amogh Boloor, Jeffrey A Stafford.   

Abstract

An efficient and regioselective synthesis of 2-methyl-2H-indazoles and 2-ethyl-2H-indazoles using trimethyloxonium tetrafluoroborate or triethyloxonium hexafluorophosphate is reported.

Entities:  

Year:  2003        PMID： 12737599     DOI： 10.1021/jo0265434

Source DB:  PubMed          Journal:  J Org Chem        ISSN： 0022-3263            Impact factor:   4.354


  5 in total

1.  anti-Markovnikov hydroamination of alkenes catalyzed by a two-component organic photoredox system: direct access to phenethylamine derivatives.

Authors:  Tien M Nguyen; Namita Manohar; David A Nicewicz
Journal:  Angew Chem Int Ed Engl       Date:  2014-04-24       Impact factor: 15.336

2.  Copper-Catalyzed Cross-Coupling of Benzylic C-H Bonds and Azoles with Controlled N-Site Selectivity.

Authors:  Si-Jie Chen; Dung L Golden; Shane W Krska; Shannon S Stahl
Journal:  J Am Chem Soc       Date:  2021-08-31       Impact factor: 16.383

3.  Synthesis and structural characterization of 1- and 2-substituted indazoles: ester and carboxylic acid derivatives.

Authors:  Fátima C Teixeira; Hélène Ramos; Inês F Antunes; M João M Curto; M Teresa Duarte; Isabel Bento
Journal:  Molecules       Date:  2006-11-14       Impact factor: 4.411

4.  Novel synthon for incorporating 1,3-dimethyl imidazolium group into molecular architecture.

Authors:  Mikhail Berezin; Samuel Achilefu
Journal:  Tetrahedron Lett       Date:  2007-02-12       Impact factor: 2.415

5.  Synthesis of indazoles from 2-formylphenylboronic acids.

Authors:  Vitalii V Solomin; Alberts Seins; Aigars Jirgensons
Journal:  RSC Adv       Date:  2021-06-28       Impact factor: 3.361
  5 in total

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