Affiliation:
1. Institut für Organische Chemie der Universität Graz
Abstract
N → 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).
Cited by
11 articles.
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