CN111961069A - Copper (I) complex based on acetone and salicylaldehyde amino triazole Schiff base and synthesis method thereof - Google Patents

Copper (I) complex based on acetone and salicylaldehyde amino triazole Schiff base and synthesis method thereof Download PDF

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CN111961069A
CN111961069A CN202010989969.1A CN202010989969A CN111961069A CN 111961069 A CN111961069 A CN 111961069A CN 202010989969 A CN202010989969 A CN 202010989969A CN 111961069 A CN111961069 A CN 111961069A
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copper
acetone
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杨育兵
王雅洁
蒋毅民
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Liuzhou Institute of Technology
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Abstract

The invention discloses a copper (I) complex based on acetone and salicylaldehyde amino triazole Schiff base and a synthesis method thereof, wherein the synthesis method comprises the following steps: (1) weighing 8-12 mg of salicylaldehyde-shrinkage-3-amino-1, 2, 4-triazole Schiff base, 4-6 mg of CuCl or 6-8 mg of CuBr into a glass tube with one end sealed, adding 1.0-3.0mL of acetone, and shaking to fully mix the materials; then the other end of the glass tube is sealed under the vacuum condition; (2) and (3) placing the sealed glass tube in an oven at the temperature of 110-130 ℃ for reaction, stopping heating after the reaction is carried out for 60-80 hours, and then cooling to room temperature at the temperature of 10 ℃ per hour to obtain colorless long-strip crystals, namely the copper (I) complex product. The 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g ] [1,2,4] triazolo [1,5-c ] [1,3,5] oxadiazoline in the product is a novel polycyclic compound, can be used as an intermediate to be applied to the fields of medicines, pesticides and the like, forms a complex with metal ions, has good antibacterial and anticancer activities, and has important potential application.

Description

Copper (I) complex based on acetone and salicylaldehyde amino triazole Schiff base and synthesis method thereof
Technical Field
The invention relates to a copper complex and an in-situ synthesis method thereof, in particular to a copper (I) complex based on acetone and salicylaldehyde-condensed-3-amino-1, 2, 4-triazole Schiff base and an in-situ synthesis method thereof.
Background
In-situ synthesis technology appeared in recent years is widely applied to the fields of chemistry, chemical engineering, materials and the like. The in-situ synthesis refers to the in-situ generation of one or more novel compounds in a reaction system through chemical reaction under certain conditions. By in-situ synthesis, compounds which are difficult to obtain by other synthetic methods can be obtained.
At present, although in-situ ligand reaction is reported in a few documents, no report is found that salicylidene-3-amino-1, 2, 4-triazole Schiff base (shown as a formula (1)) reacts with solvent acetone to generate 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g ] [1,2,4] triazolo [1,5-c ] [1,3,5] oxadiazolazine (abbreviated as HL, the structure of which is shown as a formula (2)), and further generates a copper (I) complex.
The structural formula of the salicylaldehyde-condensed-3-amino-1, 2, 4-triazole Schiff base is shown as the formula (1):
Figure 785885DEST_PATH_IMAGE001
(1);
the structural formula of the 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g ] [1,2,4] triazolo [1,5-c ] [1,3,5] oxadiazolazine (HL) is shown as the formula (2):
Figure 640709DEST_PATH_IMAGE002
(2)。
disclosure of Invention
To obtain novel 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g ] [1,2,4] triazolo
The invention discloses a [1,5-c ] [1,3,5] oxadiazol oxazine (HL) complex, and discloses two copper (I) complexes prepared from acetone and salicylaldehyde-3-amino-1, 2, 4-triazole Schiff base as raw materials and an in-situ synthesis method of the two copper (I) complexes.
The first of the present invention, based on acetone and salicylaldehyde-Copper (I) complex of 3-amino-1, 2, 4-triazole Schiff base with chemical formula of [ Cu (HL)2Cl]Wherein HL = 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g] [1,2,4]Triazolo [1,5-c] [1,3,5]The oxadiazoline, the complex crystal belongs to an orthorhombic system,P21212space group, unit cell parameters are:a=28.317(13) Å,b = 5.714(3)Å ,c =7.326(3)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1185.4 (10) Å3
the structural formula of the complex is shown as the formula (3):
Figure 623708DEST_PATH_IMAGE003
(3)。
the second copper (I) complex based on acetone and salicylaldehyde-condensed-3-amino-1, 2, 4-triazole Schiff base has a chemical formula of [ Cu (HL)2Br]Wherein HL = 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g] [1,2,4]Triazolo [1,5-c] [1,3,5]The oxadiazoline, the complex crystal belongs to an orthorhombic system,P21212space group, unit cell parameters are:a=28.63(2) Å,b = 5.659(5)Å ,c =7.502(6)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1215.5 (17) Å3
the structural formula of the complex is shown as the formula (4):
Figure 222180DEST_PATH_IMAGE004
(4)。
the synthetic routes of the two complexes are as follows:
Figure 505393DEST_PATH_IMAGE006
X=Cl, Br。
said first complex [ Cu (HL)2Cl]The in-situ synthesis method comprises the following steps:
(1) weighing 8-12 mg of salicylaldehyde-shrinkage-3-amino-1, 2, 4-triazole Schiff base and 4-6 mg of CuCl into a glass tube with one end sealed, adding 1.0-3.0mL of acetone, and shaking to mix the mixture fully; then the other end of the glass tube is sealed under the vacuum condition;
(2) placing the sealed glass tube in an oven at the temperature of 110-130 ℃ for reaction, stopping heating after the reaction is carried out for 60-80 hours, and then cooling to room temperature at the temperature of 10 ℃ per hour to obtain colorless long-strip crystals, namely [ Cu (HL)2Cl]And (3) obtaining the product.
Said second complex [ Cu (HL)2Br]The in-situ synthesis method of (1) substituting CuBr 6-8 mg for the first complex [ Cu (HL)2Cl]CuCl in the synthesis method is not changed under other conditions, and colorless long-strip crystal is also obtained, namely [ Cu (HL) ]2Br]And (3) obtaining the product.
The synthetic routes of the two complexes show that the solvent acetone and the salicylaldehyde-condensed-3-amino-1, 2, 4-triazole Schiff base undergo addition reaction, and then one molecule of water H is removed2O to 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g] [1,2,4]Triazolo [1,5-c] [1,3,5]Oxadiazolazine (HL), in turn, coordinates with metallic copper (I).
The 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g ] [1,2,4] triazolo [1,5-c ] [1,3,5] oxadiazoline in the product is a novel polycyclic compound, can be used as an intermediate to be applied to the fields of medicines, pesticides and the like, forms a complex with metal ions, has good antibacterial and anticancer activities, and has important potential application.
The in-situ synthesis method of the two copper complexes has the advantages of easily obtained raw materials, low cost, simple process and the like. In addition, the IC of partial cell strains of the two copper complexes of the invention is preliminarily determined by an MTT colorimetric method50The results show that the two complexes have certain antitumor activity.
Drawings
FIG. 1 shows the complex [ Cu (HL) of example 12Cl]Molecular structure diagram (hydrogen atom omitted);
FIG. 2 shows the complex [ Cu (HL) of example 22Br]Molecular structure of (2) (hydrogen atom is omitted).
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited thereto.
Example 1
Complex [ Cu (HL)2Cl]The in-situ synthesis method comprises the following steps:
(1) respectively weighing 9.4 mg (0.05 mmol) of salicylaldehyde-condensed-3-amino-1, 2, 4-triazole Schiff base and 5.0 mg (0.05 mmol) of CuCl into a glass tube which is about 19 cm long and 1.0 cm in inner diameter and is sealed at one end, adding 2.0 mL of acetone, and oscillating to fully mix the materials; then the other end of the glass tube is sealed under the vacuum condition;
(2) placing the sealed glass tube in a 120 ℃ oven for reaction, stopping heating after the reaction is carried out for 72 hours, and then cooling to room temperature at 10 ℃ per hour to obtain colorless long-strip crystal, namely [ Cu (HL) ]2Cl]The product, yield 53.2%.
Referring to FIG. 1, it can be seen that the smallest unit of the complex of example 1 has only one crystallographically independent Cu (I) ion, which is coordinated by 1 Cl atom and 1N atom from each of two ligands (HL) to form a complex of the formula [ Cu (HL) ]2Cl]The complex of (1). The minimum structural unit of the complex forms a three-dimensional crystal structure through weak bond interaction.
Example 2
Complex [ Cu (HL)2Br]By substituting CuBr 7.2 mg (0.05 mmol) for CuCl in example 1 under otherwise unchanged conditions, a colorless elongated crystal was obtained [ Cu (HL) ]2Br]The product, with a yield of 55.3%, has a molecular structure as shown in FIG. 2, which differs from FIG. 1 only in the substitution of the Cl atoms by Br atoms.
Example 3
Determination of IC of two complexes of the examples on partial cell lines by means of MTT colorimetry50As shown in Table 1, HL-7702 was a human normal liver cell line, A549 was a human lung cancer cell line, T-24 was a human bladder cancer cell line, and MGC80-3 was a human gastric cancer cell line.
TABLE 1 IC of the example complexes on different cell lines50Value (μ M)
Figure DEST_PATH_IMAGE007
The results in Table 1 show that the two complexes of the examples have a certain antitumor activity.

Claims (4)

1. Copper (I) complex based on acetone and salicylaldehyde-3-amino-1, 2, 4-triazole Schiff base, and is characterized in that:
the copper (I) complex has the chemical formula [ Cu (HL)2Cl]Wherein HL = 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g] [1,2,4]Triazolo [1,5-c] [1,3,5]The oxadiazoline, the complex crystal belongs to an orthorhombic system,P21212space group, unit cell parameters are:a =28.317(13) Å,b = 5.714(3)Å ,c =7.326(3)Å,α= 90.00º,β=90.00º,
γ= 90.00º,V = 1185.4 (10) Å3
the molecular structural formula of the complex is as follows:
Figure DEST_PATH_IMAGE001
2. copper (I) complex based on acetone and salicylaldehyde-3-amino-1, 2, 4-triazole Schiff base, and is characterized in that: has a chemical formula of [ Cu (HL)2Br]Wherein HL = 5-methyl-3, 11-dihydro-5H-5, 11-methylbenzo [ g] [1,2,4]Triazolo [1,5-c] [1,3,5]The oxadiazoline, the complex crystal belongs to an orthorhombic system,P21212space group, unit cell parameters are:a =28.63(2) Å,b = 5.659(5)Å ,c =7.502(6)Å,α= 90.00º,β=90.00º,γ= 90.00º,V = 1215.5 (17) Å3
the molecular structural formula of the complex is as follows:
Figure DEST_PATH_IMAGE002
3. the process for the synthesis of copper (i) complexes according to any one of claims 1 to 2, characterized in that the synthesis route of the complex is:
Figure DEST_PATH_IMAGE003
X=Cl,Br 。
4. the method of synthesizing a copper (i) complex according to claim 3, wherein the method of synthesizing comprises the steps of:
(1) weighing 8-12 mg of salicylaldehyde-shrinkage-3-amino-1, 2, 4-triazole Schiff base, 4-6 mg of CuCl or 6-8 mg of CuBr into a glass tube with one end sealed, adding 1.0-3.0mL of acetone, and shaking to fully mix the materials; then the other end of the glass tube is sealed under the vacuum condition;
(2) and (3) placing the sealed glass tube in an oven at the temperature of 110-130 ℃ for reaction, stopping heating after the reaction is carried out for 60-80 hours, and then cooling to room temperature at the temperature of 10 ℃ per hour to obtain colorless long-strip crystals, namely the copper (I) complex product.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100204467A1 (en) * 2007-07-18 2010-08-12 Cis Bio International Lanthanide (iii) ion complexing compounds, luminescent lanthanide (iii) ion complexes and use thereof as fluorescent labels
CN106397461A (en) * 2016-09-13 2017-02-15 桂林理工大学 Magnetic material salicylaldehyde derivative Schiff base copper complex [Cu4(emdo)4].H2O and synthesis method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100204467A1 (en) * 2007-07-18 2010-08-12 Cis Bio International Lanthanide (iii) ion complexing compounds, luminescent lanthanide (iii) ion complexes and use thereof as fluorescent labels
CN106397461A (en) * 2016-09-13 2017-02-15 桂林理工大学 Magnetic material salicylaldehyde derivative Schiff base copper complex [Cu4(emdo)4].H2O and synthesis method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NIKOLAY YU. GOROBETS等: "Unexpected alternative direction of a Biginelli-like multicomponent reaction with 3-amino-1,2,4-triazole as the urea component", 《TETRAHEDRON LETTERS》 *
高霞等: "1,5-双(苯并三氮唑)戊烷钬配合物的抑菌性研究", 《化学工程与装备》 *

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