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Synthesis of 5-(4-X-Phenyl)-10,15,20-tris(Substituted Phenyl) Porphyrins Using Dipyrromethanes
Molecules 2001, 6(6), 540-550; doi:10.3390/60600540

Alkylation of Zwitterionic Thiooxalic Acid Derivatives

1, 1, 1, 1,* , 1 and 2
1 Fachbereich Chemie der Universität Rostock, Buchbinderstr. 9, D-18055 Rostock, Germany 2 Institut für Organische Katalyseforschung an der Universität Rostock, Buchbinderstr. 5-6, D-18055 Rostock, Germany
* Author to whom correspondence should be addressed.
Received: 12 March 2001 / Accepted: 10 May 2001 / Published: 31 May 2001
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The new S-alkyl thiooxal-1-hydrazono-2-amidrazonium halides 2-4 were synthesized by reaction of the corresponding zwitterionic thiooxalic acid derivatives 1 with alkyl halides in methanol. The structures of compounds 4b and 4d were proven by X-ray structural analysis. Both compounds form an interesting intermolecular network of hydrogen bonds in the solid state.
Keywords: Alkylation; thiooxalic acid derivatives; halides; X-ray analysis Alkylation; thiooxalic acid derivatives; halides; X-ray analysis
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Martens, K.; Scheunemann, A.; Drexler, K.; Dehne, H.; Reinke, H.; Michalik, M. Alkylation of Zwitterionic Thiooxalic Acid Derivatives. Molecules 2001, 6, 540-550.

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