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公开(公告)号:US5188802A
公开(公告)日:1993-02-23
申请号:US706434
申请日:1991-05-28
申请人: James R. Schaeffer , Ronald H. Engebrecht , Robert F. Winterkorn , Harold C. Warren, III , Thomas R. Welter
发明人: James R. Schaeffer , Ronald H. Engebrecht , Robert F. Winterkorn , Harold C. Warren, III , Thomas R. Welter
IPC分类号: C07D323/00 , C07D405/12 , G01N31/00 , G01N31/22 , G01N33/52 , G01N33/84
CPC分类号: G01N33/526
摘要: A novel 14-crown 4-ether derivative is disclosed for use in a dry analytical element for assaying lithium.
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公开(公告)号:US5245021A
公开(公告)日:1993-09-14
申请号:US706432
申请日:1991-05-28
IPC分类号: C07D323/00 , C07D405/12 , C09B27/00 , C09B29/00 , C09B29/12 , G01N31/22 , G01N33/52 , G01N33/84
CPC分类号: C07D405/12 , C07D323/00 , C09B27/00 , C09B29/0048 , C09B29/12
摘要: Named compounds are useful in making dry analytical elements for assaying lithium in serum. The compounds have the general structure: ##STR1## wherein R, R.sub.1, R.sub.2 and X are as presented below:______________________________________ R R.sub.1 R.sub.2 X ______________________________________ n-C.sub.12 H.sub.25 SO.sub.2 CH.sub.3 CH.sub.3 CH n-C.sub.12 H.sub.25 NO.sub.2 CH.sub.3 CH CH.sub.3 SO.sub.2 N(n-C.sub.6 H.sub.13).sub.2 CH.sub.3 CH CH.sub.2 C.sub.6 H.sub.5 SO.sub.2 N(n-C.sub.6 H.sub.13).sub.2 CH.sub.3 CH CH.sub.2 C.sub.6 H.sub.5 SO.sub.2 N(CH.sub.3)-n-C.sub.18 H.sub.37 CH.sub.3 CH CH.sub.3 NO.sub.2 n-C.sub.7 H.sub.15 CH n-C.sub.12 H.sub.25 H CH.sub.3 N ______________________________________
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公开(公告)号:US5132436A
公开(公告)日:1992-07-21
申请号:US706431
申请日:1991-05-28
IPC分类号: C07D323/00
CPC分类号: C07D323/00
摘要: Intermediate compounds for the preparation of useful 14-crown-4-ether derivatives are presented. The intermediates have the structure: ##STR1## wherein R represents CH.sub.3, n-C.sub.12 H.sub.25 and CH.sub.2 C.sub.6 H.sub.5 ; and R.sub.2 represents CH.sub.3, and n-C.sub.7 H.sub.15.
摘要翻译: 介绍了制备有用的14-冠醚-4-醚衍生物的中间体化合物。 中间体具有以下结构:
(化合物7)其中R表示CH 3,n-C 12 H 25和CH 2 C 6 H 5; 并且R 2表示CH 3和n-C 7 H 15。 -
4.
公开(公告)号:US4152159A
公开(公告)日:1979-05-01
申请号:US892597
申请日:1978-04-03
CPC分类号: G03F7/0388
摘要: A photocrosslinkable polymer and imaging element containing said polymer are described wherein acid resistance is achieved by vinyl ester recurring units. A process for etching an element so prepared features exposure, development, and etching in an acid bath.
摘要翻译: 描述了含有所述聚合物的光致交联聚合物和成像元件,其中耐酸性通过乙烯基酯重复单元实现。 用于蚀刻如此制备的元件的方法具有在酸浴中的曝光,显影和蚀刻。
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