Pyran compound or at least one derivative thereof

US7888519B2 · kind B2 · utility

Assignee

• Merck Patentgesellschaft · DE

Inventors

• Eike Poetsch · Mühltal, DE
• Werner Binder · Dieburg, DE
• Volker Meyer · Groß-Zimmern, DE
• Michael Heckmeier · Bensheim, DE
• Georg Luessem · Petershausen, DE

Key dates

• Filing date: May 27, 2004
• Grant date: Feb 15, 2011
• Expiry date: Jan 29, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/3422
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to pyran derivatives of the formula Iand to a process and intermediates for their preparation and derivatisation, and to the use thereof in liquid-crystalline media.