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Title:
ベンゾ[f]クロメンおよびピラノ[3,2-f]クロメン誘導体
Document Type and Number:
Japanese Patent JP5535930
Kind Code:
B2
Abstract:
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.

Inventors:
Janssen, Axel
Krasen Memmer, Melanie
Application Number:
JP2010535256A
Publication Date:
July 02, 2014
Filing Date:
November 03, 2008
Export Citation:
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Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
C07D311/92; C07D493/04; C09K19/34; G02F1/13
Foreign References:
WO2007085297A1
WO2006012965A1
US6071946
Other References:
BALASUBRAMANIAN,K.K. et al,Claisen rearrangements. Claisen rearrangement of bispropargyl ethers,Tetrahedron Letters,1973年,No.29,p.2707-2710
Attorney, Agent or Firm:
Katsuhiro Ito
Akiko Ono