Photochromic diaryl ene compound, and its preparing method and use
Title：
Photochromic diaryl ene compound, and its preparing method and use
Application Number：
 200510093042
Application Date：
 2005/08/25
Announcement Date：
 2006/03/08
Pub. Date：
Publication Number：
 1743332
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C07D 495/02, C09K 11/06
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Zhang Fushi, Chen Zihui, Liu Xuedong, Zhao Fuqun
Key Words：
 Photochromic, diaryl ene compound, preparing method, use
Abstract：
 The invention relates to a photochromic diaryl-alkene compound and preparing method thereof. In which the molecular of diaryl-alkene is reduced as far as possible, at the same tine asymmetric base group is induced to reduce the molecular symmetry and avoid the probability of other active force enhancement between moleculars such as hydrogen bond. Advantages: low melting point -5deg.C, high reaction rate, good fatigue resistance and two-state stability.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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