Abstract
The crystal structures of pyridinium-di-trifluoroacethyl-methylide and the trichloro analog (2 a and2 b) have been determined by means of X-ray structure analyses. The synthesis of the monohalogenoacetyl derivatives4 a and4 b from the hydrobromides3 a and3 b is described.
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Wittmann, H., Ziegler, E., Peters, K. et al. Über Reaktionen mit Betainen, 17. Mitt. Synthese und Kristallstruktur von Pyridinium-di-trihalogenacyl-methyliden. Monatsh Chem 114, 1097–1106 (1983). https://doi.org/10.1007/BF00799034
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DOI: https://doi.org/10.1007/BF00799034