1156487-35-2

Upstream product

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• 1156487-34-1 7,8-difluoro-3,4-dihydronaphthalen-2-yl trifluoromethane-sulfonate 
• 1096700-63-8 5,6-difluoro-3-(4-propylcyclohexyl)-1,2-dihydronaphthalene 
• 1096700-64-9 7,8-difluoro-2-(4-propylcyclohexyl)-1,2,3,4-tetrahydronaphthalene 
• 675132-40-8 7,8-difluoro-1,2,3,4-tetrahydronaphthalen-2-one 

Relevant academic research and scientific papers

BENZO[F]CHROME ANY PYRANO[3,2-F]CHROME DERIVATIVES FOR USE IN LIQUID CRYSTAL MEDIA

The present invention relates to benzo[f]chromene and pyrano[3,2-f]-chromene derivatives of the formula I in which L1, L2, R1, R2, A1, A2, Z1, Z2, m and n are as defined in claim 1, to the preparation thereof, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements which contain the liquid-crystalline media according to the invention.