相似化合物
136370-19-9 121219-08-7 146449-90-3欧盟法规
C&L通报上下游产品
1-bromo-4-°Ctyloxybenzene 4-bromo-phenol 1-bromo-°Ctane Triisopropyl borate 2,5-bis(4-°Ctyloxyphenyl)pyrimidine 2-fluoro-3-(4-n-°Ctyloxyphenyl)pyrazine 在 盐酸,水体系中,化学反应生成4-辛氧基苯硼酸
参考文献:供体-桥-受体结构的四苯基乙烯-二噻吩基乙烯-Per单酰亚胺三联体的光控分子内电荷/能量转移和荧光转换
标题:供体-桥-受体结构的四苯基乙烯-二噻吩基乙烯-Per单酰亚胺三联体的光控分子内电荷/能量转移和荧光转换
摘要:具有高热稳定性和耐疲劳性的光致变色1,2-二噻吩基乙烯(dte)衍生物对于荧光的光学转换具有吸引力.在这里,我们介绍了一个供体-光致变色桥-受体四苯基乙烯-二噻吩基乙烯-Mono单酰亚胺(tpe-Dte-Pmi)三单元组,其中tpe充当电子给体,Pmi充当电子受体,Dte充当光致变色桥.在该系统中,由于光在不同溶剂中引起的分子内电荷转移,已观测到具有各种斯托克斯位移的tpe-Dte-Pmi的局部和分子内电荷转移发射.在紫外线照射下,已在溶液和固体薄膜中证明了由tpe-Dte-Pmi中的光致变色荧光共振能量转移导致的荧光猝灭.
Doi:10.1002/asia.201301071
海关参考信息
- 2905121000-正丙醇
2905130000-正丁醇
2908199090-其他酚的卤化衍生物
2908999090-其他酚的硝化衍生物 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
专利信息
专利号:US-5847149-A
优先权日:1994-01-27
标 题 :Thiadiazole derivatives, process for their preparation, and their use as precursors for the production of liquid crystals
发明人:FUSS ROBERT WALTER; MANERO JAVIER; SCHLOSSER HUBERT; WINGEN RAINER
权利人:HOECHST AG
摘要:Thiadiazole derivatives of the formula (I) n n X-B-A.sup.1 -(M.sup.1 -A.sup.2 -).sub.m (M.sup.2 -A.sup.3).sub.n -R.sup.1(I n n ) n in which the symbols and indices have the following meanings: n X is Cl, Br or I; n B is 1,3,4-thiadiazole-2,5-diyl; n A 1 , A 2 and A 3 are identical or different and are substituted or unsubstituted 1,4-phenylene, pyrazine-2,5-diyl, pyridazine-3,6-diyl, pyridine-2,5-diyl, pyrimidine-2,5-diyl, trans-1,4-cyclohexylene, 1,3,4-thiadiazole-2,5-diyl, 1,3-dioxane-2,5-diyl, 1,3-dithiane-2,5-diyl, 1,3-thiazole-2,4-diyl, 1,3-thiazole-2,5-diyl, thiophene-2,4-diyl, thiophene-2,5-diyl, piperazine-1,4-diyl, piperazine-2,5-diyl, naphthalene-2,6-diyl, bicyclo 2.2.2!octane-1,4-diyl, or 1,3-dioxaborinane-2,5-diyl; n M 1 and M 2 are identical or different and are --CO--O--, --O--CO--, --O--CO--O--, --O--CS--O--, --CH 2 --O--, --O--CH 2 --, --CHâ•?CH--, --C.tbd.C-- or a single bond; n R 1 is --O-benzyl, H, an alkyl group having 1 to 12 carbon atoms or an alkoxy group having 1 to 12 carbon atoms; n m and n are 0 or 1. n The novel compounds allow the synthesis of a wide range of 1,3,4-thiadiazole derivatives, as employed, for example, as components of liquid-crystal mixtures, in a significantly reduced number of synthesis stes.
专利号:US-6121448-A
优先权日:1995-03-28
标题 :Pyrimidine compounds
发明人:LEWIS ROBERT ANDREWS; GOODBY JOHN WILLIAM; TOYNE KENNETH JOHNSON; HIRD MICHAEL
权利人:SECR DEFENCE BRIT
摘要:The synthesis of novel compound (I) is described: 5-bromo-2-iodopyrimidine may be used for the synthesis of a range of chemical compounds both known and novel. The synthesis of a number of novel liquid crystalline compounds is described.