CN114573524B - 一种有机配体、金属有机框架材料及其应用和制备方法、中间体 - Google Patents
一种有机配体、金属有机框架材料及其应用和制备方法、中间体 Download PDFInfo
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- 239000013110 organic ligand Substances 0.000 title claims abstract description 50
- 239000012621 metal-organic framework Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 50
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 9
- -1 dibromo-naphtho [2,3-c ] [1,2,5] selenadiazole Chemical compound 0.000 claims description 12
- 229910052727 yttrium Inorganic materials 0.000 claims description 11
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- RFDSOEPNUMHLGO-UHFFFAOYSA-N 1,2,5-selenadiazole Chemical compound C=1C=N[se]N=1 RFDSOEPNUMHLGO-UHFFFAOYSA-N 0.000 claims description 7
- QBAZWXKSCUESGU-UHFFFAOYSA-N yttrium(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Y+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O QBAZWXKSCUESGU-UHFFFAOYSA-N 0.000 claims description 7
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- UDGKZGLPXCRRAM-UHFFFAOYSA-N 1,2,5-thiadiazole Chemical compound C=1C=NSN=1 UDGKZGLPXCRRAM-UHFFFAOYSA-N 0.000 claims description 4
- PDQRQJVPEFGVRK-UHFFFAOYSA-N 2,1,3-benzothiadiazole Chemical group C1=CC=CC2=NSN=C21 PDQRQJVPEFGVRK-UHFFFAOYSA-N 0.000 claims description 4
- NSTREUWFTAOOKS-UHFFFAOYSA-N 2-fluorobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1F NSTREUWFTAOOKS-UHFFFAOYSA-N 0.000 claims description 3
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 238000003333 near-infrared imaging Methods 0.000 claims description 3
- NGFDKIDHNOEGFK-UHFFFAOYSA-N benzo[f][2,1,3]benzoselenadiazole Chemical compound C1=C2C=CC=CC2=CC2=N[se]N=C21 NGFDKIDHNOEGFK-UHFFFAOYSA-N 0.000 abstract description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract description 5
- 239000003446 ligand Substances 0.000 abstract description 4
- 125000006575 electron-withdrawing group Chemical group 0.000 abstract description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 8
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- XQEPASCLPCAGTK-UHFFFAOYSA-N 4-[2-amino-3-(4-carboxyphenyl)phenyl]benzoic acid Chemical compound NC1=C(C=CC=C1C1=CC=C(C=C1)C(=O)O)C1=CC=C(C=C1)C(=O)O XQEPASCLPCAGTK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
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- BMIBJCFFZPYJHF-UHFFFAOYSA-N 2-methoxy-5-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine Chemical compound COC1=NC=C(C)C=C1B1OC(C)(C)C(C)(C)O1 BMIBJCFFZPYJHF-UHFFFAOYSA-N 0.000 description 2
- XAQMUORMCPEMQE-UHFFFAOYSA-N 4,9-dibromobenzo[f][2,1,3]benzoselenadiazole Chemical compound C1=CC=CC2=C(Br)C3=N[se]N=C3C(Br)=C21 XAQMUORMCPEMQE-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
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- DSQMLISBVUTWJB-UHFFFAOYSA-N 2,6-diphenylaniline Chemical compound NC1=C(C=2C=CC=CC=2)C=CC=C1C1=CC=CC=C1 DSQMLISBVUTWJB-UHFFFAOYSA-N 0.000 description 1
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- NXQGGXCHGDYOHB-UHFFFAOYSA-L cyclopenta-1,4-dien-1-yl(diphenyl)phosphane;dichloropalladium;iron(2+) Chemical compound [Fe+2].Cl[Pd]Cl.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 NXQGGXCHGDYOHB-UHFFFAOYSA-L 0.000 description 1
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- 238000004020 luminiscence type Methods 0.000 description 1
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种有机配体、金属有机框架材料及其应用和制备方法、中间体。所述有机配体是基于供体‑受体‑供体的结构的羧酸类分子,通过引入氨基与具有强吸电子基团的受体萘并[2,3‑c][1,2,5]硒二唑,合成了一种新型的四齿羧酸类有机配体NSATC及其类似化合物;此类合成策略也拓展到其他配体体系,用于合成具有近红外发光性质的新型金属框架材料:HIAM‑3906。
Description
技术领域
本发明主要涉及新材料领域,特别涉及一种有机配体、金属有机框架材料及其应用和制备方法、中间体。
背景技术
基于有机配体的发光金属有机框架(luminescent metal-organic frameworks,简称LMOFs)材料由于其易于调控的配体结构,已经被广泛的应用于生物检测与成像领域的研究。目前所有报道的基于有机配体的LMOFs的发光波段都在可见光区段。在应用于生物成像时,有生物组织对可见的吸收与散射较强,自身荧光显著,导致成像信噪比差,时空分辨率低。而近红外成像技术具有超高的时空分辨率、较深的组织穿透性与微弱的组织光吸收及散射等特点。因此,开发基于有机配体的近红外LMOFs,无论对于丰富LMOFs的种类,还是推动LMOFs在生物成像、疾病早期诊断等领域的应用,都具有十分重要的研究意义和开发价值。
发明内容
本发明的主要目的在于:提供一种新型的具有近红外发光性质的有机配体。
本发明另一目的在于提供一种基于上述新型的有机配体拓展的近红外发光性质的新型有机配体。
本发明采用如下技术方案:
一种有机配体,所述有机配体为:
5',5''''-(萘并[2,3-c][1,2,5]硒二唑-4,9-二基)双(2'-氨基-[1,1':3',1 ''-三联苯]-4,4''-二羧酸,或
5',5''''-(苯并[1,2-c:4,5-c’]双[1,2,5]噻二唑-4,9-二基)双(2'-氨基-[1,1':3',1 ''-三联苯]-4,4''-二羧酸,或
5',5''''-(苯并[1,2-c:4,5-c’]双[1,2,5]硒二唑-4,9-二基)双(2'-氨基-[1,1':3',1 ''-三联苯]-4,4''-二羧酸,或
5',5''''-([1,2,5]硒二唑[3,4-f]苯并[1,2,5]噻二唑-4,9-二基)双(2'-氨基-[1,1':3',1 ''-三联苯]-4,4''-二羧酸。
进一步地,所述有机配体的结构式为:
本发明还提供一种金属有机框架材料,是基于有机配体的LMOFs: HIAM-3906,其中数字39表示39号元素钇。
进一步地,HIAM-3906是一种新型的3结点的(4,4,10)-连接的网络结构,其点符号是{424·620·8}2{44·62}5,拓扑结构命名为hlx。
进一步地,所述金属有机框架材料是以六水合硝酸钇作为金属离子源,NSATC或其类似化合物作为有机配体进行合成的。
进一步地,所述金属有机框架材料为黑色晶体,每个Y6团簇与10个完全去质子化的有机配体结合,另有两个H2O、OH基团;每一个有机配体与4个Y6团簇连接。
进一步地,所述HIAM-3906为近红外一区的钇基发光MOFs,其发光波长为790 nm。
本发明还提供金属有机框架材料HIAM-3906在近红外成像或检测中的应用。
本发明提供有机配体的制备方法,包括:
合成化学合物(1):
合成化合物(3):
合成NSATC:
或者,合成化合物NSATC结构或化合物(2)结构中的萘并[2,3-c][1,2,5]硒二唑可以用:苯并[1,2-c:4,5-c’]双[1,2,5]噻二唑,或者,苯并[1,2-c:4,5-c’]双[1,2,5]硒二唑,或者,[1,2,5]硒二唑[3,4-f]苯并[1,2,5]噻二唑替换得到NSATC的类似化合物。
本发明还提供金属有机框架材料的制备方法,包括以下步骤:
步骤一,合成化合物(1):4-氨基-3,5-二(4-苯甲酸甲酯)-苯硼酸频哪醇酯;
步骤二,化学物(3)的合成;
步骤三,化合物NSATC或其类似化合物的合成;
步骤四,近红外LMOFs: HIAM-3906的合成,以六水合硝酸钇作为金属离子源,NSATC或其类似化合物作为有机配体,2-氟苯甲酸作为调节剂;
所述步骤一至步骤三的化合物如权利要求8所述的有机配体的制备方法。
本发明还提供一种中间体,结构式为:
其中,所述结构式中的萘并[2,3-c][1,2,5]硒二唑可以用:苯并[1,2-c:4,5-c’]双[1,2,5]噻二唑,或者,苯并[1,2-c:4,5-c’]双[1,2,5]硒二唑,或者,[1,2,5]硒二唑[3,4-f]苯并[1,2,5]噻二唑替换。
本发明的有益效果是:
本发明在基于供体-受体-供体的有机配体分子中,通过引入氨基与具有强吸电子基团的受体萘并[2,3-c][1,2,5]硒二唑,合成了一种新型的四齿羧酸类有机配体NSATC或其类似化合物;此类合成策略也拓展到其他配体体系,用于合成近红外发光性质的新型有机配体。
进一步地,本发明通过以NSATC或其类似化合物为有机配体,制备了一种新拓扑结构的近红外一区的钇基发光MOFs,其发光波长为790 nm。
上述技术特征,以及本发明技术方案的其他特征、目的和优点将结合本发明的各种实施例及附图进行描述。然而,所揭露的说明性实施例仅仅是示例,并不用于限定本发明的范围。
附图说明
图1是本发明实施例制备的化学合(1)的核磁氢谱图。
图2是本发明实施例制备的化学合(3)的核磁氢谱图。
图3是本发明实施例制备的化合物NSATC的核磁氢谱图。
图4是本发明的HIAM-3906的晶体结构图。
图5是本发明HIAM-3906的光谱图,其中图5(a)为发光光谱图,图5(b)为吸光光谱图。
具体实施方式
本发明所提供的附图及下述某些实施例的描述并非将发明限制在这些实施例中,而是提供给本领域任何一个普通技术人员来制造和使用本发明。
本发明将从分子设计的角度出发,合成了如下式所示的一种新型的基于供体-受体-供体结构特点的四齿羧酸类有机配体,(5',5''''-(naphtho[2,3-c][1,2,5]selenadiazole-4,9-diyl)bis(2'-amino-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid),NSATC):
在该化合物中,我们引入了氨基基团和具有强吸电子特征的萘并[2,3-c][1,2,5]硒二唑,以此来拓宽目标化合物的发光波长。
化合物NSATC的合成路线如下所示:
化合物NSATC的合成方法包括以下步骤一至步骤三。
步骤一,合成化合物(1):4-氨基-3,5-二(4-苯甲酸甲酯)-苯硼酸频哪醇酯。在一具体例子中:
4-氨基-3,5-二(4-苯甲酸甲酯)-溴苯:5.0 mmol, 2.20 g
联硼酸频那醇酯:6.0 mmol, 1.52 g
乙酸钾:14.2 mmol, 1.40 g
[1,1'-双(二苯基膦基)二茂铁]二氯化钯:0.07 mmol, 50.0 mg
以上各成份按配比加入到含有100 mL二氧六环的250 mL三口烧瓶中。混合物抽换气三次,随后在氮气保护下在110℃ 反应5小时。反应结束后冷却,过滤除去固体杂质,滤液减压除去有机溶剂,所得固体化合物(1)直接用于下一步中化合物(3)的合成。
所得产物经核磁氢谱测试,参照图1,相关数据如下:
1H NMR (400 MHz, CDCl3) δ ppm 8.10 (4H), 7.59 (4H), 7.57 (2H), 3.94(6H), 1.30 (12H)
从而验证化合物(1)的如上分子式。
合成化合物(1)的反应中,联硼酸频那醇酯和4-氨基-3,5-二(4-苯甲酸甲酯)-溴苯用于制备硼酸酯类化合物,较佳地,二者的反应摩尔比例可在1:1~1:1.2,目标化合物的产率接近100%。其他组分可适当调整比例,也可按上述配比缩放。本发明中步骤一各组份配比用量不作限定。
步骤二,化学物(3)的合成:
化合物(1):5.0 mmol, 2.44 g
化合物(2):4,9-二溴-萘并[2,3-c][1,2,5]硒二唑:2.0 mmol, 0.78 g
二氯化钯:0.2 mmol, 35.0 mg
三苯基膦:0.4 mmol, 0.11 g
碳酸钾 K2CO3:8.0 mmol, 1.10 g
以上组分分别加入含有80 mL 二氧六环和20 mL 水的250 mL 三口烧瓶中。混合物抽换气三次,随后在氮气保护下在105℃ 反应24小时。反应结束后冷却,过滤除去固体杂质。滤液中加入水产生固体,过滤得红黑色产物为化合物(3),1.78 g,产率为93.5%。
所得产物经核磁氢谱实验,参照图2,相关数据如下:
1H NMR (400 MHz, DMSO-d6) δ ppm 8.03 (8H), 7.95 (2H), 7.72 (8H), 7.29(6H), 3.83 (12H)
步骤二的化合物(3)的反应中,化合物(2)(4,9-二溴-萘并[2,3-c][1,2,5]硒二唑)和化合物(1)(4-氨基-3,5-二(4-苯甲酸甲酯)-苯硼酸频哪醇酯)发生铃木反应,较佳地,二者的反应摩尔比例可在1:1~1:1.25。其他组分可适当调整比例,也可按上述配比缩放。本发明中步骤二各组份配比用量不作限定。
步骤三,化合物NSATC的合成:
化合物(3):1.5 mmol, 1.43 g加入到含有50 mL 四氢呋喃,25 mL 甲醇和溶有4.0 g NaOH 的50 mL 水中。反应混合物在85 ℃ 反应过夜,冷却到室温之后过滤,减压除去滤液中的有机相,水相有2M HCl中和得固体,过滤得到目标化合物NSATC (1.24 g,92.1%)。
各组分可适当调整用量比例,也可按上述用量配比缩放。本发明中步骤三各组份配比用量不作限定。
产物经核磁氢谱实验,参照图3,相关数据如下:
1H NMR (400 MHz, DMSO-d6) δ ppm 8.01 (8H), 7.97 (1H), 7.68 (8H), 7.29(3H), 7.21 (1H), 6.95 (3H)
所制得的化合物NSATC作为有机配体应用于酯类化合物的水解,用于制备最终目标化合物。
在其他实施例中,化合物NSATC结构或化合物(2)结构中的萘并[2,3-c][1,2,5]硒二唑可以用:苯并[1,2-c:4,5-c’]双[1,2,5]噻二唑,或是,苯并[1,2-c:4,5-c’]双[1,2,5]硒二唑,或是,[1,2,5]硒二唑[3,4-f]苯并[1,2,5]噻二唑替换,从而得到如下如式(4)或式(5)或式(6)所示的NSATC类似化合物:
步骤四,近红外LMOFs: HIAM-3906的合成,以下各组分配比用量不作限定,作为一种举例:
六水合硝酸钇 0.034 mmol, 13.0 mg
有机配体NSATC 0.011 mmol, 9.86 mg
2-氟苯甲酸 200 mg
2.50 mL DMF
以上组份加入到5 mL 小瓶中。混合物在120 ℃ 的烘箱中加热反应1天。反应结束后得到黑色晶体HIAM-3906 (HIAM: Hoffmann Institute of Advanced Materials, 霍夫曼先进材料研究院; 39:yttrium,钇)。其中六水合硝酸钇作为金属离子源,NSATC或其类似化合物作为有机配体,较佳地,两者的摩尔比例可在3:1~3:1.5,2-氟苯甲酸作为调节剂,反应量可在100-700mg之间。 DMF的用量可适当调节。
参照图4,对产物HIAM-3906的晶体结构进行检测,具体如下:
单晶X-射线分析表明,合成的HIAM-3906是一种新型得3结点的(4,4,10)-连接的网络结构,其点符号是{424·620·8}2{44·62}5,这是一种新的拓扑结构,命名为hlx。
在这种结构中,每个Y6团簇与10个完全去质子化的有机配体结合,另有两个H2O、OH基团;每一个有机配体与4个Y6团簇连接。
对产物HIAM-3906的发光性质表征:
参照图5(a)-(b),荧光光谱测试表明:HIAM-3906的最大发射波长为790 nm,属于近红外一区范围,发光波长一直延长到1000 nm左右,覆盖整个近红外一区波段。吸收边带约为750 nm,也属于近红外一区范围。
本发明在基于供体-受体-供体的有机配体分子中,通过引入氨基与具有强吸电子基团的受体萘并[2,3-c][1,2,5]硒二唑,合成了一种新型的四齿羧酸类有机配体NSATC;此类合成策略也拓展到其他配体体系,用于合成近红外发光性质的新型有机配体。
本发明通过以NSATC为有机配体,制备了一种新拓扑结构的近红外一区的钇基发光MOFs,其发光波长为790 nm。
这里列举的例子和附图所示,仅作为示范说明但并不作为限定。本说明书意图涵盖各种实施例的任何和所有的适应性或变换方式。上述实施例的组合,以及其他未特别说明的实施例,本领域技术人员基于上述说明书的描述是显而易见的。
Claims (6)
2. 一种金属有机框架材料,是基于有机配体的LMOFs: HIAM-3906,其中39表示39号元素钇;
所述HIAM-3906是一种3结点的(4,4,10)-连接的网络结构,其点符号是{424·620·8}2{44·62}5,拓扑结构命名为hlx;
所述金属有机框架材料是以六水合硝酸钇作为金属离子源、NSATC或其类似化合物作为有机配体进行合成的;所述NSATC或其类似化合物是权利要求1所述的有机配体;
所述金属有机框架材料为黑色晶体,每个Y6团簇与10个完全去质子化的有机配体结合,另有两个H2O、OH基团;每一个有机配体与4个Y6团簇连接。
3. 如权利要求2所述的金属有机框架材料,其特征在于,所述HIAM-3906为近红外一区的钇基发光MOFs,其发光波长为790 nm。
4.如权利求2-3任一项所述的金属有机框架材料HIAM-3906在近红外成像中的应用。
6.金属有机框架材料的制备方法,其特征在于,所述方法包括以下步骤:
步骤一,合成化合物(1);
步骤二,化合物(3)的合成;
步骤三,化合物NSATC或其类似化合物的合成;
步骤四,近红外LMOFs: HIAM-3906的合成,以六水合硝酸钇作为金属离子源、NSATC或其类似化合物作为有机配体,2-氟苯甲酸作为调节剂;
所述步骤一至步骤三的化合物采用如权利要求5所述的有机配体的制备方法制备得到。
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