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Pyrido[2,3‐ H ]‐2,6‐naphthyridines. I. Synthesis and thermal reactions of the 2,2′bisacylazide of 3,3′ bipyridine
Author(s) -
Williams R. L.,
Elfayoumy M. G.
Publication year - 1972
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570090511
Subject(s) - chemistry , curtius rearrangement , thermal decomposition , ring (chemistry) , 2,2' bipyridine , bipyridine , medicinal chemistry , stereochemistry , organic chemistry , crystal structure
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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