发明授权
- 专利标题: Bis(methylidene)phenylene derivatives
- 专利标题(中): 双(亚甲基)亚苯基衍生物
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申请号: US563796申请日: 1995-11-28
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公开(公告)号: US5677314A公开(公告)日: 1997-10-14
- 发明人: Inge Stein , Michael Schwarz , Ulrich Heywang , Michael Kompter
- 申请人: Inge Stein , Michael Schwarz , Ulrich Heywang , Michael Kompter
- 申请人地址: DEX Darmstadt
- 专利权人: Merck Patent Gesellschaft Mit Beschrankter Haftung
- 当前专利权人: Merck Patent Gesellschaft Mit Beschrankter Haftung
- 当前专利权人地址: DEX Darmstadt
- 优先权: DEX4442324.1 19941129
- 主分类号: A61K8/35
- IPC分类号: A61K8/35 ; A61K8/49 ; A61K31/12 ; A61K31/445 ; A61Q17/04 ; C07C45/51 ; C07C45/68 ; C07C45/74 ; C07C49/683 ; C07C49/757 ; C07C309/23 ; C07C309/24 ; C07D235/18 ; C07D453/02 ; A61K31/46
摘要:
The invention relates to bis(methylidene)phenylene derivatives of the formula A.sup.1 -Phe-A.sup.2 I wherein Phe is an unsubstituted or substituted phenylene group, A.sup.1 is a group selected from the formulae 1, 2 and 3 and A.sup.2 is a group other than A.sup.1 selected from the formulae 1, 2 and 3 ##STR1## wherein R.sup.1 and R.sup.2 are independently H or CH.sub.3 and their preparation and use as UV filters, in particular cosmetic and pharmaceutical preparations.
公开/授权文献
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