Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine
Winkelhaus D, Neumann B, Stammler H-G, Mitzel NW (2012)
Dalton Transactions 41(30): 9143-9150.
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Abstract / Bemerkung
The reaction of 4-ethynyl-2,6-lutidine, (2,6-Me-2)(4-HC=C)C5H2N (2), with B(C6F5)(3) afforded the zwitterion [(2,6-Me-2)(4-(C6F5)(3)BC C)C5H2NH] (3) via a deprotonation pathway. By treatment of 2 with the group 13 trialkyls AlMe3, AlEt3, GaMe3, GaEt3 and InMe3, metallation of the ethynyl group afforded compounds 4-8 under extrusion of the corresponding alkane. The resulting products were characterised by elemental analyses and NMR spectroscopy. Compounds 4 and 8 were crystallized from THF and were yielded as monomers with coordinated THF molecules. The gallium compound 7 could be crystallised from benzene and was afforded as coordination polymer. The structures of these three compounds (4 . THF, 7 and 8 . 2THF) were determined by single-crystal X-ray diffraction experiments. The aluminium compounds 4 and 5 show redistribution reaction of their substituents.
Erscheinungsjahr
2012
Zeitschriftentitel
Dalton Transactions
Band
41
Ausgabe
30
Seite(n)
9143-9150
ISSN
1477-9226
eISSN
1477-9234
Page URI
https://pub.uni-bielefeld.de/record/2518101
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Winkelhaus D, Neumann B, Stammler H-G, Mitzel NW. Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine. Dalton Transactions. 2012;41(30):9143-9150.
Winkelhaus, D., Neumann, B., Stammler, H. - G., & Mitzel, N. W. (2012). Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine. Dalton Transactions, 41(30), 9143-9150. doi:10.1039/c2dt30719g
Winkelhaus, Daniel, Neumann, Beate, Stammler, Hans-Georg, and Mitzel, Norbert W. 2012. “Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine”. Dalton Transactions 41 (30): 9143-9150.
Winkelhaus, D., Neumann, B., Stammler, H. - G., and Mitzel, N. W. (2012). Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine. Dalton Transactions 41, 9143-9150.
Winkelhaus, D., et al., 2012. Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine. Dalton Transactions, 41(30), p 9143-9150.
D. Winkelhaus, et al., “Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine”, Dalton Transactions, vol. 41, 2012, pp. 9143-9150.
Winkelhaus, D., Neumann, B., Stammler, H.-G., Mitzel, N.W.: Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine. Dalton Transactions. 41, 9143-9150 (2012).
Winkelhaus, Daniel, Neumann, Beate, Stammler, Hans-Georg, and Mitzel, Norbert W. “Intramolecular Lewis acid-base pairs based on 4-ethynyl-2,6-lutidine”. Dalton Transactions 41.30 (2012): 9143-9150.
10 Zitationen in Europe PMC
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