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Synthesis and characterization of new heptacyclic helicenes

✍ Scribed by Guédouar, Habiba; Aloui, Faouzi; Moussa, Souad; Marrot, Jérôme; Ben Hassine, Béchir

Book ID
126747754
Publisher
Elsevier Science
Year
2014
Tongue
French
Weight
696 KB
Volume
55
Category
Article
ISSN
0040-4039

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## Abstract As a continuation of our previous studies on thermostable materials, heptacyclic laddersiloxanes and ladder polysilsesquioxane were synthesized. The first heptacyclic laddersiloxanes were obtained by chlorination of pentacyclic laddersiloxanes prepared using our stereocontrolled synthes