氮杂杂环烯胺与丙烯酰胺的反应被用于制备具有苯并[ e ]二氢吲哚部分的新型荧光支架。3-取代的2-亚甲基-1H-苯并[ e ]吲哚与丙烯酰胺的反应产生螺[苯并[ e ]吲哚-2,2′-哌啶] -6′-。研究了后一种螺环化合物的开环反应。合成了具有2-(3-氨基甲酰基丙基),2- [3-(乙氧基羰基)丙基]和2-(4-氨基丁基)侧链的苯并[ e ]二氢吲哚衍生物。通过紫外可见光谱和荧光光谱研究了苯并[ e ]二氢吲哚衍生物的光学性质。
氮杂杂环烯胺与丙烯酰胺的反应被用于制备具有苯并[ e ]二氢吲哚部分的新型荧光支架。3-取代的2-亚甲基-1H-苯并[ e ]吲哚与丙烯酰胺的反应产生螺[苯并[ e ]吲哚-2,2′-哌啶] -6′-。研究了后一种螺环化合物的开环反应。合成了具有2-(3-氨基甲酰基丙基),2- [3-(乙氧基羰基)丙基]和2-(4-氨基丁基)侧链的苯并[ e ]二氢吲哚衍生物。通过紫外可见光谱和荧光光谱研究了苯并[ e ]二氢吲哚衍生物的光学性质。
The invention provides a photochromic dye of a structure containing a common structure of spirooxazine series compounds and three substituents. The photochromic dye according to the invention exhibits characteristics of a high heat stability, good light fatigue resistance, high sensitivity, extremely degradation rate and the like. This photochromic dye can be formulated with suitable organic solvents and used as photochromic functional colorants under UV light excitation. Further, this photochromic dye can be synthesized and purified in simple steps with cheap raw materials and hence at a greatly lowered production cost.
[EN] SPIRO[CHROMAN-2,2'-INDOLE] DERIVATIVES AS CYANIDE ION CHEMOSENSORS<br/>[FR] DÉRIVÉS DE SPIRO[CHROMAN-2,2'-INDOLE] À UTILISER EN TANT QUE CHIMIOCAPTEURS D'ION CYANURE
申请人:KAUNAS UNIVERSITY OF TECHNOLOGY
公开号:WO2014189348A1
公开(公告)日:2014-11-27
The invention describes new spiro[chroman-2,2'-indole] derivatives of formula (I). When compounds of the invention, 1',3',3,4-tetrahydrospiro[chromen-2,2'-indoles], are treated with solution containing cyanide ions, 3,4-dihydropyrane ring opening occurs, resulting in formation of colored 4-nitrophenolate ion, which is detectable colorimetrically.
Method for preparing light-absorbing polymeric compositions
申请人:——
公开号:US20040195552A1
公开(公告)日:2004-10-07
The present invention recites a method comprising reacting in a solvent in the presence of a base
a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum between about 300 nm and about 1200 nm and 99-0 mole % of a non-light absorbing monomer which does not absorb significant light at wavelengths above 300 nm or has a light absorption maximum below 300 nm, with
b) an organic compound of Formula II
X—B—X
1
wherein B is a divalent organic radical to form a light absorbing composition comprising a mixture of a polymer having the formula
1
and a cyclic compound having the general formula
2
wherein B is as defined above; n is at least 2, m is 1, 2, 3 or 4 and A comprises the residue of a diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum between about 300 nm and about 1000 nm and wherein the remaining portion of A comprises the residue of a non-light absorbing monomer which does not absorb significant light at wavelengths above 300 nm or has a light absorption maximum below 300 nm.
SQUARYLIUM COMPOUND AND OPTICAL RECORDING MEDIUM CONTAINING THE SAME
申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP1152001A9
公开(公告)日:2002-02-27
An object of the present invention is to provide novel squarylium compounds having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R, and optical recording media using the same. More particularly, the present invention provides novel asymmetric squarylium compounds represented by the general formula (I), having pyrazole and indoline skeletons in the molecule. In addition, the present invention provides optical recording media having a recording layer comprising said asymmetric squarylium compound.