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  Das gelbe Isomere der (1,5‐Diphenylformazanyl)glyoxylsäure

Neugebauer, F. A., & Fischer, H. (1979). Das gelbe Isomere der (1,5‐Diphenylformazanyl)glyoxylsäure. Chemische Berichte, 112(4), 1477-1479. doi:10.1002/cber.19791120443.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-AE8F-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-AE90-6
Genre: Journal Article

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ChemBerichte_112_1979_1477.pdf (Any fulltext), 148KB
 
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https://onlinelibrary.wiley.com/doi/epdf/10.1002/cber.19791120443 (Any fulltext)
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 Creators:
Neugebauer, Franz A.1, Author           
Fischer, Hans1, Author           
Affiliations:
1Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society, ou_1497706              

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 Abstract:

The Yellow Isomer of (1,5‐Diphenylformazanyl)glyoxylic Acid

The yellow isomer is shown to be 4,4‐dihydroxy‐l‐phenyl‐3‐phenylazo‐2‐pyrazolin‐5‐one (3), the hydrate of the pyrazolin‐4,5‐dione 4. Treatment of 4 with a solution of potassium ‐tert‐ butoxide in dimethylsulfoxide leads to the formation of a radical anion identified as 5 by ESR.

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Language(s): eng - English
 Dates: 1978-10-192006-01-241979-04
 Publication Status: Issued
 Pages: 3
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 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cber.19791120443
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Title: Chemische Berichte
  Other : Chem. Ber.
Source Genre: Journal
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Publ. Info: Weinheim : VCH Verlagsgesellschaft mbH
Pages: - Volume / Issue: 112 (4) Sequence Number: - Start / End Page: 1477 - 1479 Identifier: ISSN: 0009-2940
CoNE: https://pure.mpg.de/cone/journals/resource/954926940716