Pyrido[2,3-H]-2,6-naphthyridines. I. Synthesis and thermal reactions of the 2,2′bisacylazide of 3,3′ bipyridine |
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Authors: | R. L. Williams M. G. Elfayoumy |
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Abstract: | 2 The2′-bisacylazide of 3,3′-bipyridine (1) has been synthesized from the (4,7)-phenantholine-5,6-dione ( 3 ) and the thermal decomposition of this new bisacylazide has been shown to give rise to the Curtius rearrangement and subsequent cyclization to the pyrido[2,3-h]-2,6-naph-thridinone ring system 8 . |
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