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Structure cristalline d'un composé smectogène: le (méthyl-2-butyl)-2 (oxo-1-pentyl)-7 dihydro-9,10 phénanthrène

✍ Scribed by Cotrait, M. ;Destrade, C. ;Gasparoux, J.


Book ID
117859842
Publisher
International Union of Crystallography
Year
1975
Weight
289 KB
Volume
31
Category
Article
ISSN
0567-7408

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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