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CN104140400A - 绿色荧光化合物、其合成方法及用途 - Google Patents

绿色荧光化合物、其合成方法及用途 Download PDF

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CN104140400A
CN104140400A CN201410337746.1A CN201410337746A CN104140400A CN 104140400 A CN104140400 A CN 104140400A CN 201410337746 A CN201410337746 A CN 201410337746A CN 104140400 A CN104140400 A CN 104140400A
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green fluorescent
green fluorescence
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CN104140400B (zh
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/56Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
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Abstract

本发明涉及一种绿色荧光化合物、其合成方法及用途。其激发波长为350nm-400nm,发射波长为526nm-550nm;其结构通式为:

Description

绿色荧光化合物、其合成方法及用途
技术领域
本发明涉及一种新型有机荧光发光材料,具体涉及一种绿色荧光化合物及其合成方法。该物质可应用于光学电子器件、生物追踪、光化学传感器、防伪印刷等领域。
背景技术
物质吸收光辐射被激发,再发射出其他波长的光,为光致发光,光致发光现已广泛应用于照明、显示、防伪等多种行业。具有较强荧光发光能力的有机化合物有着十分重要的潜在应用价值,可开发作为新型功能材料,如发光染料、激光染料、荧光探针等。
与传统的无机荧光材料相比,有机荧光材料具有如下优点:1、较高的发光亮度和效率;2、为主动光源,响应速度快,观察视角大,易实现全面多功能显示效果。3、溶于特定有机溶剂,方便应用。4、可以与其他各种有机荧光材料完美融合,并组合成多种彩色效果。但市场上现有有机荧光材料同样存在如下问题:
1、本身由于是小分子材料,化学结构不稳定,极易结晶或氧化。
2、有些材料寿命较短,在较长时间的紫外线照射下即失效。
3、黄色、绿色荧光材料种类较少。
发明内容
本发明的目的在于克服上述不足,提供一种化学结构稳定、材料使用寿命长的绿色荧光化合物、其合成方法及用途。
本发明的目的是这样实现的:一种绿色荧光化合物,其激发波长为350nm-400nm,发射波长为526nm-550nm; 
物质通式:
通式中:
R2为:氧(O)、硫(S)、硒(Se)或碲(Te);
R1可以是任意可以与醛类组成有机分子的官能团,包括但不限于以下结构:烷烃(C—C)、烯烃(>C=C<)、炔烃(-C≡C-)、卤代烃(-F,-Cl,-Br,-I)、醇、酚(-OH);醚(-C-O-C-)、硫醚(-S-)、醛(-CHO)、酮(>C=O)、羧酸(-COOH)、酯 (-COO-) 、硝基(-NO2)、亚硝基(-NO)、胺(-NH2)、磺酸(-SO3H)、酰(-CO-)、氰基(-C≡N)、异氰基(-NC)、巯基:(-SH)、膦(-PH2)、苯。
一种绿色荧光化合物的制备方法,其反应方程式如下:                
                                
     A类物质       B类物质             最终产物 
反应条件:A类物质与B类物质在催化剂作用下发生反应,催化剂是铂铑合金(PtRh)或/和钛酸四丁酯(TTOB),反应条件一般为:以乙醇(EtOH)为溶剂,或者溶剂也可以是 N,N二甲基甲酰胺(DMF),二甲基亚砜(DMSO),四氢呋喃(THF)等。在80℃水浴中进行回流反应,反应时间为10至15小时。反应后的混合产物通过1:1的去离子水与乙醇的混合溶液进行多次洗涤、抽滤,得到最终产物。
所述A类物质优选为邻氨基酚或邻氨基苯硫酚。
所述B类物质优选为三甲基乙醛、4-叔丁基苯丙醛三甲基乙醛或2-氯-4-碘吡啶-3-甲醛。
一种绿色荧光化合物的用途,该物质可应用于光学电子器件、生物追踪、光化学传感器、防伪印刷等领域。
该物质与无机发光材料相比,具有如下优点:
1、较高的发光亮度和效率;
2、为主动光源,响应速度快,观察视角大,易实现全面多功能显示效果。
3、溶于特定有机溶剂,方便应用。
该物质与其他有机发光材料相比,具有如下优点:
1、该激发和发射波长内(激发波长350nm-400nm,发射波长526nm-550nm)的物质实际应用中尚不多见,且应用范围较广。
2、分子结构稳定,极难被破坏,因此耐高温、耐紫外线性能极佳,寿命较长,便于长期使用。
3、该类物质组合灵活,不同组合合成的物质发射波长略有差别,具有更广阔的应用前景。
具体实施方式
实施例1:
化学反应式如下:
称取10mmol邻氨基酚(1.09g)和三甲基乙醛 (0.86g)在乙醇溶液中分别加热溶解,将两者置于60℃水浴中混合,溶液中加入铂铑合金网作为催化剂,继续搅拌回流反应约10小时,得到黄褐色固体沉淀,该固体通过乙醇多次抽滤洗涤,得到较纯的产物C11H13ON。
经测试,该物质发射波长为530nm-545nm,为绿色荧光材料,且量子效率较高。
实施例2:
化学反应式如下:
称取10mmol邻氨基酚(1.09g)和4-叔丁基苯丙醛三甲基乙醛 (1.90g)在DMSO(二甲基亚砜)溶液中分别加热溶解,并置于80℃水浴中进行回流反应,反应过程中加入适量钛酸四丁酯(TTOB)作为催化剂,持续反应约15小时,得到灰色固体沉淀,同样,通过酒精多次抽滤洗涤,得到较纯的产物C19H21ON。
经测试,该物质发射波长为540nm-560nm,为绿色荧光材料,结构比较稳定,抗紫外线性较好。
实施例3:
化学反应式如下:
称取10mmol邻氨基苯硫酚(1.25g)和2-氯-4-碘吡啶-3-甲醛(2.67g)在DMSO(二甲基亚砜)溶液中分别加热溶解,并置于80℃水浴中进行回流反应,反应过程中加入适量钛酸四丁酯(TTOB)作为催化剂,持续反应约15小时,得到黄色固体沉淀,同样,通过酒精多次抽滤洗涤,得到较纯的产物C12H6ON2ClI。
经测试,该物质发射波长为520nm-540nm,为黄绿色荧光材料,结构同样比较稳定,抗紫外线性较好。

Claims (7)

1.一种绿色荧光化合物,其特征在于:其激发波长为350nm-400nm,发射波长为526nm-550nm; 
其结构通式为:
通式中:
R2为: O、S、Se或Te;
R1是任意可以与醛类组成有机分子的官能团。
2.根据权利要求1所述的一种绿色荧光化合物,其特征在于,所述R1结构为:烷烃、烯烃、炔烃、卤代烃、醇、酚、醚、硫醚、醛、酮、羧酸、酯、硝基、亚硝基、胺、磺酸、酰、氰基、异氰基、巯基、膦或苯。
3.一种绿色荧光化合物的制备方法,其特征在于所述化合物反应方程式如下:                
  
  A类物质       B类物质             最终产物 
反应条件:A类物质与B类物质在催化剂作用下,在水浴中进行回流反应,反应时间为10至15小时,反应后的混合产物通过去离子水与乙醇的混合溶液进行多次洗涤、抽滤,得到最终产物;所述催化剂是铂铑合金或/和钛酸四丁酯。
4.根据权利要求3所述的一种绿色荧光化合物的制备方法,其特征在于:反应所用溶剂为乙醇、N,N二甲基甲酰胺、二甲基亚砜或四氢呋喃。
5.根据权利要求3所述的一种绿色荧光化合物的制备方法,其特征在于:所述A类物质为邻氨基酚或邻氨基苯硫酚。
6.根据权利要求3所述的一种绿色荧光化合物的制备方法,其特征在于:所述B类物质为三甲基乙醛、4-叔丁基苯丙醛三甲基乙醛或2-氯-4-碘吡啶-3-甲醛。
7.一种绿色荧光化合物的用途,其特征在于:所述化合物结构通式为:
通式中:
R2为: O、S、Se或Te;
R1是任意可以与醛类组成有机分子的官能团;
该化合物使用350nm-400nm波长的波激发,发射波长526nm-550nm的光,用于光学电子器件、生物追踪、光化学传感器或防伪印刷。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1560038A (zh) * 2004-02-26 2005-01-05 华东理工大学 电致磷光取代苯并杂环类化合物及其发光配体
WO2010078333A2 (en) * 2008-12-29 2010-07-08 Life Technologies Corporation Benzoxazole-based fluorescent metal ion indicators
CN102260223A (zh) * 2011-06-10 2011-11-30 上海大学 偕二氟亚甲基串联的含 1,3-苯并二唑化合物及其合成方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1560038A (zh) * 2004-02-26 2005-01-05 华东理工大学 电致磷光取代苯并杂环类化合物及其发光配体
WO2010078333A2 (en) * 2008-12-29 2010-07-08 Life Technologies Corporation Benzoxazole-based fluorescent metal ion indicators
CN102260223A (zh) * 2011-06-10 2011-11-30 上海大学 偕二氟亚甲基串联的含 1,3-苯并二唑化合物及其合成方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
A. JOHN BLACKER,等: "Synthesis of Benzazoles by Hydrogen-Transfer Catalysis", 《ORGANIC LETTERS》 *
ALTENHOFF, GEREON,等: "A domino copper-catalyzed C-N and C-O cross-coupling for the conversion of primary amides into benzoxazoles", 《ADV.SYNTH.CATAL.》 *
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YUKA KAWASHITA,等: "Direct and Practical Synthesis of 2-Arylbenzoxazoles Promoted by Activated Carbon", 《ORGANIC LETTERS》 *

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