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  Pd-catalyzed decarbonylative Heck olefination of aromatic carboxylic acids activated in situ with di-tert-butyl dicarbonate

Gooßen, L. J., Paetzold, J., & Winkel, L. (2002). Pd-catalyzed decarbonylative Heck olefination of aromatic carboxylic acids activated in situ with di-tert-butyl dicarbonate. Synlett, (10), 1721-1723. doi:10.1055/s-2002-34227.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-998F-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-C79C-8
Genre: Journal Article

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 Creators:
Gooßen, L. J.1, Author              
Paetzold, J.1, Author              
Winkel, L.2, Author              
Affiliations:
1Research Group Goossen, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445603              
2Service Department Theyssen (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445632              

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Free keywords: carboxylic acids; catalysis; palladium; Heck reaction; di-tert- butyl dicarbonate
 Abstract: The first protocol for a direct Heck olefination of aromatic carboxylic acids has been developed. By treatment with commercially available di-tert-butyl dicarbonate, the carboxylic acids are converted in situ into the mixed anhydrides, which in the presence of a palladium catalyst react with olefins to give styrene derivatives. As by-products, only volatile CO and CO2, along with tert-butanol are formed, making the work-up of the reaction products particuarly easy. A mixture of PdCl2, LiCl and gamma-picoline was identified to be the most effective catalyst system.

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Language(s): eng - English
 Dates: 2002-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 20465
DOI: 10.1055/s-2002-34227
ISI: 000178555100036
 Degree: -

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Title: Synlett
  Alternative Title : Synlett
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: (10) Sequence Number: - Start / End Page: 1721 - 1723 Identifier: ISSN: 0936-5214