Rate of copper extraction and structure of model β-diketones and 4-acyl-5-pyrazolones

R. Cierpiszewski; D. Rusińska-Roszak; J. Szymanowski; W. Mickler; E. Uhlemann

doi:10.1007/bf02387302

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 228: Issue 1-2

Rate of copper extraction and structure of model β-diketones and 4-acyl-5-pyrazolones

Authors:

R. Cierpiszewski

R. Cierpiszewski Academy of Economics Institute of Commodity Al. Niepodłeglości 10 60-967 Poznań Poland

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D. Rusińska-Roszak

D. Rusińska-Roszak Poznań Technical University Institute of Chemical Technology and Engineering Pl. Skłodowskiej-Curie 2 60-965 Poznań Poland

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J. Szymanowski

J. Szymanowski Poznań Technical University Institute of Chemical Technology and Engineering Pl. Skłodowskiej-Curie 2 60-965 Poznań Poland

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W. Mickler

W. Mickler Universität Potsdam Institut für Anorganische Chemie und Didaktik der Chemie Am Neuen Palais 10 D-14415 Potsdam Germany

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, and

E. Uhlemann

E. Uhlemann Poznań Technical University Institute of Chemical Technology and Engineering Pl. Skłodowskiej-Curie 2 60-965 Poznań Poland

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Pages:: 71–76

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 Feb 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02387302

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Abstract

The rate of copper extraction with individual 4-acyl-5-pyrazolones and the stability of various enolic and keto forms and their monohydrates were studied. The rate of extraction depends mainly upon the structure of substituent at position 4 and falls when the substituent becomes spacy. The effect of the substituent at position 1 is rather low. The enolic form with intramolecular hydrogen bonding is the most stable. It can form hydrates with water molecules without intramolecular hydrogen bond breaking.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)