1156487-41-0

Upstream product

• 1156487-39-6 7-ethoxy-1,2-difluoronaphthalene 
• 1156487-38-5 (3-ethoxy-5,6-difluoronaphthalen-2-yl)trimethylsilane 
• 1156487-37-4 7,8-difluoro-3-trimethylsilanylnaphthalen-2-ol 
• 1156487-43-2 1-(4-propylcyclohexyl)-prop-2-yn-1-ol 
• 1156487-40-9 6-ethoxy-3,4-difluoronaphthalen-2-ol 
• 808144-32-3 (2,3-difluorophenyl)acetyl chloride 

Downstream Products

• 1156487-24-9 8-ethoxy-5,6-difluoro-3-(4-propylcyclohexyl)-2,3-dihydro-1H-benzo[f]chromene 

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.