CN112010875A - 基于丙酮和甲氧基水杨醛缩氨基三氮唑席夫碱的铜(ⅰ)配合物及其合成方法 - Google Patents

基于丙酮和甲氧基水杨醛缩氨基三氮唑席夫碱的铜(ⅰ)配合物及其合成方法 Download PDF

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CN112010875A
CN112010875A CN202010989968.7A CN202010989968A CN112010875A CN 112010875 A CN112010875 A CN 112010875A CN 202010989968 A CN202010989968 A CN 202010989968A CN 112010875 A CN112010875 A CN 112010875A
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杨育兵
王雅洁
蒋毅民
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Abstract

本发明公开了基于丙酮和甲氧基水杨醛缩氨基三氮唑席夫碱的铜(Ⅰ)配合物及其合成方法,合成方法包括下述步骤:(1)称取3‑甲氧基水杨醛缩‑3‑氨基‑1,2,4‑三氮唑席夫碱8‑12 mg,CuCl 4‑6 mg或CuBr 6‑8 mg于一端封口的玻璃管中,并加入1.0‑3.0mL丙酮,震荡,使其充分混合;再放置真空条件下将玻璃管的另一端密封;(2)将上述密封的玻璃管置于110‑130℃烘箱中反应,反应60‑80小时后停止加热,然后以每小时10℃降温至室温,得到无色长条状晶体,即铜(Ⅰ)配合物产物。本发明产物中的7‑甲氧基‑5‑甲基‑3,11‑二氢‑5H‑5,11‑甲基苯并[g][1,2,4]***并[1,5‑c][1,3,5]恶二唑嗪是一种新型的多环化合物,可作为中间体应用于医药、农药等领域,其与金属离子形成配合物有较好的抗菌与抗癌活性,具有重要的潜在用途。

Description

基于丙酮和甲氧基水杨醛缩氨基三氮唑席夫碱的铜(Ⅰ)配合 物及其合成方法
技术领域
本发明涉及铜配合物及其原位合成方法,具体是基于丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的铜(Ⅰ)配合物及其原位合成方法。
背景技术
近年来出现的原位合成技术,广泛应用于化学、化工、材料等领域。原位合成是指在一定条件下,通过化学反应,在反应体系内原位生成一种或几种新型的化合物。通过原位合成,可以获得其他合成方法难以获得的化合物。
目前虽有不少文献报道了原位配体反应,但未见有3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱(见(1)式)与溶剂丙酮发生反应生成7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪(简写为HL,其结构见(2)式),进而生成铜(Ⅰ)配合物的报导。
所述的3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的结构式如(1)式所示:
Figure DEST_PATH_IMAGE001
(1);
所述的7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c][1,3,5]恶二唑嗪(HL)的结构式如(2)式所示:
Figure DEST_PATH_IMAGE002
(2)。
发明内容
为了获得新的7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g][1,2,4]
***并[1,5-c][1,3,5]恶二唑嗪配合物,本发明公开了以丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱为原料的两种铜(Ⅰ) 配合物及这两种配合物的原位合成方法。
本发明第一种,基于丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的铜(Ⅰ)配合物,化学式为[Cu(HL)2Cl],其中 HL=7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪,配合物晶体属于正交晶系,P21212空间群,晶胞参数为:a =31.193(4) Å,b = 5.7128(8)Å ,c =7.3358(11)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1307.2 (3) Å3
配合物的分子结构式如(3)式所示:
Figure DEST_PATH_IMAGE003
(3)。
本发明第二种,基于丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的配合物,化学式为[Cu(HL)2Br],其中 HL=7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪,配合物晶体属于正交晶系,P21212空间群,晶胞参数为:a =31.435(10) Å,b = 5.6531(19)Å ,c =7.520(3)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1336.3 (8) Å3
配合物的分子结构式如(4)式所示:
Figure DEST_PATH_IMAGE004
(4)。
所述两种配合物的合成路线为:
Figure DEST_PATH_IMAGE005
X=Cl, Br 。
所述第一种配合物[Cu(HL)2Cl]的原位合成方法,包括下述步骤:
(1)称取 3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱8-12 mg,CuCl 4-6 mg于一端封口的玻璃管中,并加入 1.0-3.0mL丙酮,震荡,使其充分混合;再放置真空条件下将玻璃管的另一端密封;
(2) 将上述密封的玻璃管置于110-130℃烘箱中反应,反应60-80小时后停止加热,然后以每小时10°C降温至室温,得到无色长条状晶体,即Cu(HL)2Cl]产物。
所述第二种配合物[Cu(HL)2Br]的原位合成方法,用CuBr 6-8 mg取代第一种配合物[Cu(HL)2Cl]合成方法中的CuCl,其它条件不变,同样也得到无色长条状晶体,即[Cu(HL)2Br]产物。
从两种配合物的合成路线可以看出,溶剂丙酮与3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱发生了加成反应,然后脱掉一分子水H2O,生成7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪(HL),进而与金属铜(Ⅰ)配位。
本发明产物中的7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪是一种新型的多环化合物,可作为中间体应用于医药、农药等领域,其与金属离子形成配合物有较好的抗菌与抗癌活性,具有重要的潜在用途。
本发明两种配合物的原位合成方法,具有原料易得、成本低廉、工艺简单等优点。此外,还用MTT 比色法初步测定了本发明两种配合物对部分细胞株的IC50值,结果表明,本发明两种配合物具有一定的抗肿瘤活性。
附图说明
图1 实施例1配合物[Cu(HL)2Cl]的分子结构图(省略了氢原子);
图2 实施例2配合物[Cu(HL)2Br]的分子结构图(省略了氢原子)。
具体实施方式
下面结合实施例对本发明内容作进一步的说明,但不是对本发明的限定。
实施例1
配合物[Cu(HL)2Cl]的原位合成方法,包括下述步骤:
(1)分别称取 3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱10.9mg (0.05 mmol)、CuCl 5.0 mg (0.05 mmol)于长约19 cm 内径为1.0 cm 一端封口的玻璃管中,并加入 2.0mL 丙酮,震荡,使其充分混合;再放置真空条件下将玻璃管的另一端密封;
(2)将上述密封的玻璃管置于120 ℃烘箱中反应,反应72小时后停止加热,然后以每小时10°C降温至室温,得到无色长条状晶体,即[Cu(HL)2Cl]产物,产率为41.2%。
参见图1,从图中可以看出,实施例1配合物的最小单元中仅有一个晶体学上独立的Cu(Ⅰ)离子,该中心铜(Ⅰ)离子分别与1个氯原子Cl和来自两个配体(HL)上的各1个N原子配位,形成化学式为[Cu(HL)2Cl]的配合物。该配合物的最小结构单元通过弱键相互作用,构成三维晶体结构。
实施例2
配合物[Cu(HL)2Br]的原位合成方法,用CuBr7.2 mg (0.05 mmol)取代实施例1中的CuCl,其它条件不变,同样也得到无色长条状晶体,即[Cu(HL)2Br]产物,产率为43.5%,分子结构见图2,该结构与图1的区别仅在于由Br原子取代了Cl原子。
实施例3
用MTT 比色法测定实施例两种配合物对部分细胞株的IC50值,如表1所示,表中HL-7702为人正常的肝细胞株、A549为人肺癌细胞株、T-24为人膀胱癌细胞株、MGC80-3为人胃癌细胞株。
表1、实施例配合物对不同细胞株的IC50值(μM)
Figure DEST_PATH_IMAGE006
表1的结果表明,实施例两种配合物具有一定的抗肿瘤活性。

Claims (4)

1.基于丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的铜(Ⅰ)配合物,其特征在于:所述铜(Ⅰ)配合物的化学式为[Cu(HL)2Cl],其中 HL=7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪,配合物晶体属于正交晶系,P21212空间群,晶胞参数为:a =31.193(4) Å,b = 5.7128(8)Å ,c =7.3358(11)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1307.2 (3) Å3
配合物的分子结构式为:
Figure 810497DEST_PATH_IMAGE001
2.基于丙酮和3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱的配合物,其特征在于:所述铜(Ⅰ)配合物的化学式为[Cu(HL)2Br],其中 HL=7-甲氧基-5-甲基-3,11-二氢-5H-5,11-甲基苯并[g] [1,2,4]***并[1,5-c] [1,3,5]恶二唑嗪,配合物晶体属于正交晶系,P21212空间群,晶胞参数为:a =31.435(10) Å,b = 5.6531(19)Å ,c =7.520(3)Å,α=90.00º,β=90.00º,γ= 90.00º,V = 1336.3 (8) Å3
配合物的分子结构式为:
Figure 524376DEST_PATH_IMAGE002
3.根据权利要求1-2任一项所述的铜(Ⅰ)配合物的合成方法,其特征在于,配合物的合成路线为:
Figure 100850DEST_PATH_IMAGE004
X=Cl,Br 。
4.根据权利要求3所述的铜(Ⅰ)配合物的合成方法,其特征在于,合成方法包括下述步骤:
(1)称取 3-甲氧基水杨醛缩-3-氨基-1,2,4-三氮唑席夫碱8-12 mg,CuCl 4-6 mg或CuBr 6-8 mg于一端封口的玻璃管中,并加入 1.0-3.0mL丙酮,震荡,使其充分混合;再放置真空条件下将玻璃管的另一端密封;
(2) 将上述密封的玻璃管置于110-130℃烘箱中反应,反应60-80小时后停止加热,然后以每小时10℃降温至室温,得到无色长条状晶体,即铜(Ⅰ)配合物产物。
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