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Structures cristallines et électroniques de deux dérivés de l'oxaphénalène: les 2-acétyl- et 2-méthoxycarbonyl-6-méthoxynaphto[1,8-bc]pyranes

✍ Scribed by Bideau, J. P. ;Cotrait, M. ;Buisson, J. P. ;Demerseman, P.


Book ID
114508149
Publisher
International Union of Crystallography
Year
1991
Tongue
English
Weight
444 KB
Volume
47
Category
Article
ISSN
0108-2701

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## Abstract By condensation according __Ullmann__ of 2‐iodo‐9‐oxo‐fluorene with 3‐bromo‐2‐cyano‐9‐oxo‐fluorene, followed by cyclisation and reduction, the new linear 13,15‐dihydro‐__7H__‐diindeno[2.1‐__b__; 2′.1′‐__h__]fluorene (III) is synthesized in 3 steps. The 6‐methyl‐derivative of II is also