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  An unexpected product in attempted [4 + 2] cycloadditions of 2,2-diethyl-4,5-dimethyl-2H-imidazole

Felderhoff, M., Sustmann, R., Steller, I., & Boese, R. (1995). An unexpected product in attempted [4 + 2] cycloadditions of 2,2-diethyl-4,5-dimethyl-2H-imidazole. Liebigs Annalen, 1995(9), 1697-1698. doi:10.1002/jlac.1995199509236.

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 Creators:
Felderhoff, Michael1, 2, Author              
Sustmann, Reiner2, Author
Steller, Ingo3, Author
Boese, Roland3, Author
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Institut für Organische Chemie der Universität Essen, D-45117 Essen, Germany, ou_persistent22              
3Institut für Anorganische Chemie der Universität Essen, D-45117 Essen, Germany, ou_persistent22              

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Free keywords: 2H-Imidazole; 1,4-Diazadienes; [4 + 2] Cycloadditions
 Abstract: 2,2-Diethyl-4,5-dimethyl-2H-imidazole 1, formally a 1,4-di-azadiene, does not produce [4 + 2] cycloadducts with various electronically-different dienophiles. In the presence of tri-fluoroacetic acid, it tautomerizes to 2,2-diethyl-4-methyl-5-methylene-3-imidazoline 2 and forms a dimer, the structure of which was determined by X-ray crystallography.

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Language(s): eng - English
 Dates: 2006-01-251995-08-23
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/jlac.1995199509236
 Degree: -

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Title: Liebigs Annalen
  Other : Liebigs Ann.
Source Genre: Journal
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Publ. Info: Weinheim : VCH
Pages: - Volume / Issue: 1995 (9) Sequence Number: - Start / End Page: 1697 - 1698 Identifier: ISSN: 0947-3440
CoNE: https://pure.mpg.de/cone/journals/resource/954926989136