Synthesis of N,N’-Linked Isothiazolium Salts via Intramolecular Cyclocondensation of Hydrazonium Salts

Synthesis of N,N’-Linked Isothiazolium Salts via Intramolecular Cyclocondensation of Hydrazonium Salts

Interaction of β -thiocyanatovinyl aldehydes with N-amino heterocycles leads to formation of α, β - unsaturated hydrazonium salts dependent on the functional surroundings. The latter can undergo further intramolecular cyclocondensation giving rise to N,N′-linked isothiazolium salts as the final prod...

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Bibliographic Details
Published in:Zeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 61; no. 4; pp. 464 - 470
Main Authors: Zakharova, Valerija M., Siegemund-Eilfelda, Anja, Sieler, Joachim, Schulze, Bärbel
Format: Journal Article
Language:English
Published: Verlag der Zeitschrift für Naturforschung 01-04-2006
Subjects:
Hydrazonium Salts
Isothiazolium Salts
N-Amino Heterocycles
β -Thiocyanatovinyl Aldehydes
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Summary:Interaction of β -thiocyanatovinyl aldehydes with N-amino heterocycles leads to formation of α, β - unsaturated hydrazonium salts dependent on the functional surroundings. The latter can undergo further intramolecular cyclocondensation giving rise to N,N′-linked isothiazolium salts as the final product. The isolated hydrazonium salts, not undergoing ring formation, have s-trans conformation of the azadiene system
ISSN:0932-0776
1865-7117
DOI:10.1515/znb-2006-0413