发明授权
- 专利标题: Cyclic amino containing benzisothiazoles
- 专利标题(中): 环状氨基苯并异噻唑
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申请号: US836022申请日: 1977-09-23
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公开(公告)号: US4139704A公开(公告)日: 1979-02-13
- 发明人: Alan L. Borror , James W. Foley , John W. Lee, Jr.
- 申请人: Alan L. Borror , James W. Foley , John W. Lee, Jr.
- 申请人地址: MA Cambridge
- 专利权人: Polaroid Corporation
- 当前专利权人: Polaroid Corporation
- 当前专利权人地址: MA Cambridge
- 主分类号: C07D275/06
- IPC分类号: C07D275/06 ; C07D417/10
摘要:
This invention relates to 3-(phenyl/naphthyl)benz[d]isothiazole-1,1-dioxides wherein the phenyl or naphthyl substituent possesses an N-heterocyclic moiety in the para position. These compounds are useful as intermediates in the synthesis of certain 3,3-disubstituted-2,3-dihydrobenz[d]isothiazole-1,1-dioxide dyes which find utility as, for example, photographic optical filter agents and filter agent precursors.
公开/授权文献
- US6001557A Adenovirus and methods of use thereof 公开/授权日:1999-12-14
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