Mesoionische Sechsringheterocyclen, VI. Umlagerungen von Heterocyclen, IV. Zur thermischen Umlagerung von N-Benzyl-pyrimidinmesoionen./ Mesoionic Sixmembered Heterocycles, VI. Rearrangement Reactions of Heterocycles, IV. Thermal Rearrangement of Mesoionic N-Benzyl-pyrimidines : Zeitschrift für Naturforschung B
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??Loading journal volume and issue information...Open AccessGerda Schindler / Demetrius Furtunopulos / Thomas Kappe1Institut für Organische Chemie der Universit?t Graz(C) 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. ()Publication HistoryN → O Benzyl group migration upon pyrolysis of the zwitterionic pyrido-pyrimidine (4) leads to the uncharged O-ether (3) in poor yield. On the other hand, heating of the monocyclic mesoionic pyrimidine (12) gives a radicalic N →C migration of the benzyl group yielding the 5,5-dibenzyl-4,6-dioxo-pyrimidine (14).: ; ; Citing ArticlesHere you can find all Crossref-listed publications in which this article is cited. If you would like to receive automatic email messages as soon as this article is cited in other publications, simply activate the “Citation Alert” on the top of this page.[1]Christof Kratky and Thomas KappeJournal of Heterocyclic Chemistry, 1981, Volume 18, Number 5, Page 881DOI: [2]Adolf Parg and Gerhard HamprechtLiebigs Annalen der Chemie, 1979, Volume 1979, Number 8, Page 1130DOI: Have you read our
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Deficiency indices and singular boundary conditions in quantum mechanics
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J. Math. Phys. 26, 2520 (Tue Oct 01 00:00:00 UTC 1985);
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We consider Schr?dinger operators H in L 2(R n ), n ∈ N, with countably infinitely many local singularities of the potential which are separated from each other by a positive distance. It is proved that due to locality each singularity yields a separate contribution to the deficiency index of H. In the special case where the singularities are pointlike and the potential exhibits certain symmetries near these points we give an explicit construction of self‐adjoint boundary conditions.
Received Tue Jan 15 00:00:00 UTC 1985
Accepted Fri Apr 12 00:00:00 UTC 1985
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Deficiency indices and singular boundary conditions in quantum mechanics
J. Math. Phys. 26, 2520 (Tue Oct 01 00:00:00 UTC 1985);
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Scitation: Deficiency indices and singular boundary conditions in quantum mechanics
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