The present invention relates to benzochromene derivatives of the formula I
where the various parameters have the meaning indicated in the text, and to liquid-crystal media which comprise these compounds, and to the use of the media in electro-optical displays, in particular in VAN-LCDs, and to the use of the compounds and physiologically acceptable derivatives thereof as therapeutic active ingredients.
本发明涉及公式I的苯并
色酮衍
生物,其中各参数在文本中有所说明,以及包含这些化合物的液晶介质,以及将介质用于电光显示,特别是VAN-LCD中的用途,以及将这些化合物及其生理上可接受的衍
生物用作治疗活性成分的用途。