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Pseudoazulene der Azafluorenreihe

โœ Scribed by Hans-Jochim Timpe; Jacek Mlodowski; Zdzislaw Szulc

Book ID
104610168
Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
262 KB
Volume
19
Category
Article
ISSN
0044-2402

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pseudoazulenes containing two fused five
pseudoazulenes containing two fused five-membered rings
โœ G.V. Boyd ๐Ÿ“‚ Article ๐Ÿ“… 1965 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 196 KB

REPLACEMENT of a C=C unit in the seven-membered ring of azulene by an atom X, which can supply two n-electrons to the aromatic decet, gives rise to the pseudoasulenes(1) I and II. Representatives of all these heterocyclic systems, in which X = 0, N, or S, are now known (2 -7) and