发明授权
- 专利标题： Liquid crystal compounds containing two or more chiral centers
- 专利标题（中）： 含有两个或多个手性中心的液晶化合物
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申请号： US116282申请日： 1987-11-30
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公开(公告)号： US4923633A公开(公告)日： 1990-05-08
- 发明人: George W. Gray , David Lacey , Kenneth J. Toyne , David Coates , Adam Jackson , Richard M. Scrowston
- 申请人： George W. Gray , David Lacey , Kenneth J. Toyne , David Coates , Adam Jackson , Richard M. Scrowston
- 申请人地址： GB2 London
- 专利权人： The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
- 当前专利权人： The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
- 当前专利权人地址： GB2 London
- 优先权： GBX8602168 19860129
- 主分类号： C09K19/12
- IPC分类号： C09K19/12 ; C09K19/20 ; C09K19/32
摘要：
A compound suitable for use in a ferroelectric smectic liquid crystal composition having a structure which contains two chiral centers derived from alpha hydroxy carboxylic acid groups and having the formula: ##STR1## wherein R.sub.1 is n-alkoxy containing 1-12 carbo atoms and R.sub.2 is n-alkyl containing 1-12 carbon atoms. Methods of preparation and details of liquid crystal mixtures containing these compounds are described.
公开/授权文献
- US6013796A Preparation of naltrexone from codeine and 3-benzylmorphine 公开/授权日：2000-01-11
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