Zobrazeno 1 - 10 of 49 pro vyhledávání: '"Heinz Graubaum"'
1
Macrocyclic and open-chain ligands with the redox switchable trithiadiazapentalene unit: synthesis, structures and complexation phenomena
Autor: Wilhelm Seichter, Heinz Graubaum, Melinda Wüst, Karsten Gloe, Torsten Rambusch
Publikováno v: Coordination Chemistry Reviews. 222:103-126
This review focuses on synthesis, structure and binding properties of crown compounds and their open-chain analogues containing a trithiadiazapentalene building block. This heterocyclic unit favours in particular the complexation and solvent extracti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e421e62a6126c15542cc64d0e9de1717
https://doi.org/10.1016/s0010-8545(01)00397-6
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2
Possible Rearrangements During the Synthesesof Di- and Trisubstituted Pyrazoles
Autor: Renate Dworczak, Heinz Graubaum, Hans Junek, Claudia Reidlinger
Publikováno v: Monatshefte für Chemie / Chemical Monthly. 129:1313-1318
The reaction of ethoxymethylene malononitrile and ethoxymethylene cyanoacetic acid ethylester with substituted hydrazines to substituted 5-aminopyrazoles is described. The influence of different substituents on possible migrations during the ring clo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::792ba942fec287afbe4b853c21abca7e
https://doi.org/10.1007/pl00010144
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5
Kronenether mit 1,3,5-Triazinen als Ringbaustein - Synthese und Untersuchung der Alkaliselektivit�t durch Elektrospray-Ionisations-Massenspektrometrie
Autor: Heinz Graubaum, G. Lutze, S. Flatau, S. Gründemann, M. Bartoszek
Publikováno v: Journal f�r Praktische Chemie/Chemiker-Zeitung. 338:564-568
Crown Ethers with 1,3,5-Triazines as Ring Building Block – Synthesis and Investigation of the Alkali Selectivity by Electrospray Ionization Mass Spectrometry The synthesis and characterization of 5 new crown compounds 3 and some derivatives 4, cont
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acf397bcad6ebe2cbd09ac245d597824
https://doi.org/10.1002/prac.199633801106
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8
Aminolyse von 2,5‐Bis(aryloxy)‐3,3aγ 4 ,4‐trithia‐1,6‐diazapentalenen — ein Zugang zu makrocyclischen Heteropentalenen
Autor: G. Lutze, Heinz Graubaum, F. Tittelbach
Publikováno v: Chemische Berichte. 127:2209-2213
Aminolysis of 2,5-Bis(aryloxy)-3,3aγ4,4-trithia-1,6-diazapentalenes - an Entry to Macrocyclic Heteropentalenes The N,N′-bis(3,3aγ4-trithia-1,6-diazapentalenyl)diamines 6, 7 and azacrown ethers 8, incorporating two sulfur-containing diazapentalene
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b9b48400cf41b84c6839d947c9ff70f
https://doi.org/10.1002/cber.1491271120
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