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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Transformation of a Pyrazolidene into a Tetrahydropyrimidinylidene Ligand by Deprotonation/Reprotonation

  • Normen Szesni , Bernhard Weibert and Helmut Fischer EMAIL logo
From the journal Zeitschrift für Naturforschung B
https://doi.org/10.1515/znb-2006-1106
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In an unusual ring enlargement reaction the heterocyclic ligand in a pentacarbonyl(pyrazolidene) chromium complex is transformed in high yield into the corresponding tetrahydropyrimidinylidene ligands by a deprotonation/protonation (or deprotonation/alkylation) sequence.

Keywords: Carbene Complex; Pyrazolidene Complex; Tetrahydropyrimidinylidene Complex; Ring Enlargement
Received: 2006-8-8
Published Online: 2014-6-2
Published in Print: 2006-11-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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From the journal
Zeitschrift für Naturforschung B
Zeitschrift für Naturforschung B
Volume 61 Issue 11

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