发明申请
- 专利标题: Chromene Compound
- 专利标题(中): 色烯化合物
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申请号: US10572098申请日: 2004-09-14
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公开(公告)号: US20070215844A1公开(公告)日: 2007-09-20
- 发明人: Junji Momoda , Yuichiro Kawabata , Nobuyuki Tanaka , Arihiro Iwata
- 申请人: Junji Momoda , Yuichiro Kawabata , Nobuyuki Tanaka , Arihiro Iwata
- 申请人地址: JP Shunan-shi
- 专利权人: Tokuyama Corporation
- 当前专利权人: Tokuyama Corporation
- 当前专利权人地址: JP Shunan-shi
- 优先权: JP2003-325681 20030918
- 国际申请: PCT/JP04/13712 WO 20040914
- 主分类号: F21V9/06
- IPC分类号: F21V9/06 ; C07D311/78
摘要:
A chromene compound of this invention, as shown in the following formula: characterized by having an indeno(2,1-f)naphtho(1,2-b)pyran structure as a basic structure, and having a substituent which is a substituted or unsubstituted aryl group such as methoxyphenyl group, or a substituted or unsubstituted heteroaryl group such as thienyl group bonding to a carbon atom at the seventh position of the indeno(2,1-f)naphtho(1,2-b)pyran structure. The photochromic compound exhibits a color tone of a neutral tint when it develops a color, features a high color-developing sensitivity and a high fading rate, and has a good photochromic resistance.
公开/授权文献
- US07521004B2 Chromene compound 公开/授权日:2009-04-21
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