98results about How to "Significant in vitro antitumor activity" patented technology

The invention discloses a new 1-azabenzanthrone-platinum (II) complex, i.e., monochloro.mono(dimethyl sulfoxide).mono(1-azabenzanthrone) platinum (II), as well as a synthesis method and an application thereof. The complex is prepared through the following steps: weighing equivalent amounts of 1-azabenzanthrone and dichloro-di(dimethyl sulfoxide) platinum (II); dissolving in a polar solvent; heating or performing reflux reaction to obtain a target product, wherein the synthesis can specifically be performed through a solution method or a solvothermal method. Investigation shows that the complex has anti-proliferative activity on human tumor cell strains such as HepG2, SK-OV-3, SK-OV-3/DDP, BEL-7404, T-24 and HL-7702; the result shows that the complex has obvious in-vitro anti-tumor activity, has higher potential medicinal value and is expected to be used for preparing various anti-tumor medicaments. The chemical structural formula of the complex is shown in the specification.

The invention discloses synthesis of a 9-chloro-1,2,3,4-tetrahydroacridine-platinum (II) complex targeted to liver cancer and an application of the complex and belongs to the technical field of medicines. The invention aims to provide a dichloro-dimethyl-sulfoxide-9-chloro-1,2,3,4-tetrahydroacridine-platinum (II) complex having a novel structure, and a synthesis method and an application thereof.The chemical structure formula of the dichloro-dimethyl-sulfoxide-9-chloro-1,2,3,4-tetrahydroacridine-platinum (II) complex is represented as follow. The complex can be used for producing antitumor medicines.

The invention discloses a new platinum (II) complex of 6-amino oxoisoaporphine, namely monochloro.dimethyl sulfoxide.6-amino oxoisoaporphine platinum (II), and a synthesis method and an application thereof. The complex is synthesized by the steps of dissolving 6-amino oxoisoaporphine and dichloro.di(dimethyl sulfoxide) platinum (II) in a polar solvent, and heating or carrying out a reflux reaction to obtain the target product; specifically the complex can be synthesized by a solution method, and can also be synthesized by a solvothermal method. Through investigation of proliferation inhibitory activity of the complex against HepG2, BEL-7404 and NCI-H460 and other human tumor cell strains, the complex is found to have significant in-vitro antitumor activity against the 3 kinds of tumor strains and have relatively good potential medicinal value, and is expected to be used in preparation of various antitumor medicines. The complex has the chemical structure represented by the following formula as described in the specification.

The invention discloses a high-activity coumarin-platinum (II) complex targeting the ovarian cancer and a synthesis method and application thereof. The complex adopts a chemical structural formula shown as one of formulae 1-5. A coumarin derivative is modified by natural coumarin as a skeleton, and then reacts with metal platinum (II) to form a complex so as to obtain the coumarin platinum (II) complex with higher activity. The in-vitro antitumor activity of the complex is far higher than that of other classical cisplatin anticancer medicines, and the complex also shows in-vitro antitumor activity superior to that of a coumarin ligand; the complex has a potential medicinal value and is expected to be applied to preparation of various antitumor medicines.

The invention discloses small molecule degradation agents targeting at androgen receptors, belongs to the field of biological medicines, and particularly relates to a series of compounds for degradingandrogen receptor proteins in a targeted ubiquitination manner, a synthesis method and medical applications of the compounds, in particular in prevention or treatment of androgen receptor related diseases. Meanwhile, a series of in-vitro anti-tumor activity evaluation tests are carried out on the synthesized compounds by invertors of the invention, and the compounds have certain inhibitory activity on cancer cells.

The invention discloses a copper metal complex and a compound of copper metal complex and human serum albumin, as well as synthesis methods and application of the copper metal complex and the compound. The synthesis method for the copper metal complex comprises the following steps of reacting 2-di-pyridyl ketone with 4,4minute-dimethyl-3-thiosemicarbazide to generate precipitates by taking an alcohol substance as a solvent, and collecting and washing the precipitates to obtain ligands; reacting the ligands with CuCl2.2H2O by taking an alcohol substance as a solvent, standing and crystallizing a reaction product, and collecting crystals to obtain the copper metal complex. The compound is obtained by incubating the copper metal complex and the human serum albumin by adopting a solution method. The structure of the copper metal complex is shown in Formula (I).

The invention discloses a 2-phenylpyridine dual-core palladium (II) complex. The structural formula of the complex can be seen in the description. The invention further discloses a preparing method ofthe 2-phenylpyridine dual-core palladium (II) complex. The method includes the steps of evenly mixing glacial acetic acid, palladium acetate and 2-phenylpyridine, conducting complete reaction under stirring and heating, conducting cooling to the room temperature, removing glacial acetic acid to obtain reddish brown liquid, adding a polarity solvent, and conducting standing until yellow crystals are separated out thoroughly to obtain the 2-phenylpyridine dual-core palladium (II) complex. The invention further discloses application of the 2-phenylpyridine dual-core palladium (II) complex. The 2-phenylpyridine dual-core palladium (II) complex has remarkable in-vitro antineoplastic activity and cytotoxicity selectivity and is simple in preparing method and easy to industrially produce.

The invention discloses two novel ruthenium and rhodium metal complexes taking lysicamine as ligands as well as a synthetic method and application of the two novel ruthenium and rhodium metal complexes. The synthetic method of the ruthenium and rhodium metal complexes comprises the following steps: dissolving dichloro.tetra(dimethyl sulfoxide) ruthenium (II) or rhodium trichloride and lysicamine into a polar solvent, and performing complexation reaction to prepare the ruthenium and rhodium metal complexes, wherein the ruthenium and rhodium metal complexes can be synthesized by virtue of solution methods or solvothermal methods. After the applicants investigate the proliferation inhibition activity of the ruthenium and rhodium metal complexes on human tumor cell lines such as NCI-H460, HepG-2, DLD-1 and MGC80-3 and the toxicity of the ruthenium and rhodium metal complexes to human normal liver cells HL-7702, results show that the ruthenium and rhodium metal complexes have significant in-vitro anti-tumor activity, and the activity of a rhodium metal complex is equal to that of cis-platinum; moreover, the ruthenium and rhodium metal complexes have relatively low cytotoxicity to normal cells, have good potential medicinal values, and are expected to be applied to the preparation of various anti-tumor medicines; and structural formulas of the complexes are respectively shown in the following formula (I) and formula (II) in the specification.

The disclosed ERJT-12 as the derivative of water-soluble constituent of radix salvia miltiorrhiza is composed by natural 5-(3-hydroxypropyl)-7-methoxy-2-(3-methoxy-4- hydroxy)-3-benzo[b] furaldehyde. Wherein, this compound takes microtubule as target, has obvious growth inhibition to multiple human tumor cells, can block the MCF-7 cell on mitosis time, and restrains the polymerization of tubulin.

The invention discloses an acetylpyrazine thiosemicarbazone metal chelating agent as well as a preparation method and application of a metal complex of the acetylpyrazine thiosemicarbazone metal chelating agent. The synthesis method of the acetylpyrazine thiosemicarbazone metal chelating agent comprises the following steps: with 2-acetylpyrazine and 4, 4-diethyl thiosemicarbazone as raw materialsand an alcohol substance and hydrochloric acid as solvents, carrying out a reaction to generate a yellow precipitate, collecting the precipitate, and washing the precipitate to obtain a ligand; takingthe obtained ligand and a metal salt, and carrying out a reaction with the alcohol substance and acetonitrile as solvents, carrying out standing treatment on the reactant, and separating out and collecting the crystal, so as to obtain the acetylpyrazine thiosemicarbazone metal chelating agent and the metal complex thereof. The acetylpyrazine thiosemicarbazone metal chelating agent and the metal complex thereof have remarkable anti-tumor activity and can be used for tumor treatment.

The invention discloses a ruthenium fluorescent probe, and a preparation method, application and an application product thereof. The structural formula of the ruthenium fluorescent probe is as shown in the specification. The preparation method comprises the following steps: enabling 2,6-diacetyl pyridine and 4-hydroxybenzhydrazide to react by taking an alcohol substance as a solvent, collecting the precipitate generated by the reaction, and washing to obtain a ligand 2,6-diacetyl pyridine condensed 4-hydroxybenzohydrazine; (2) enabling the ligand 2,6-diacetyl pyridine condensed 4-hydroxybenzohydrazine and RuCl3 to react by taking the alcohol substance as the solvent, and then, sanding the reacted solution for separating crystals, and collecting the crystals to obtain the ruthenium fluorescent probe. The ruthenium fluorescent probe is used for preparing an anti-tumour medicament or a tumour detecting agent to obtain the anti-tumour medicament or the tumour detecting agent. The rutheniumfluorescent probe has good potential medicinal value and detection value, and is expected to be used in the preparation of various anti-tumour medicaments or tumour detecting agents.

The invention discloses two new manganese and zinc metal complexes taking alocasia amazonica alkali as a ligand as well as a synthesis method and an application of the manganese and zinc metal complex. The manganese and zinc metal complexes are obtained by dissolving manganese perchlorate or zinc perchlorate and alocasia amazonica alkali in a polar solvent, and carrying out a complexing reaction; the manganese and zinc metal complexes specifically can be synthesised through a solution method or a solvothermal method. The applicant finds that the two new manganese and zinc metal complexes show up superior in-vitro anti-tumour activities compared with the alocasia amazonica alkali ligand by inspecting the proliferation inhibition activities of the two new manganese and zinc metal complexes on human tumour cell strains of NCl-H460, HepG-2, DLD-1, MGC80-3 and the like, and the toxicities of the two new manganese and zinc metal complexes on human normal hepatic cells HL-7702, wherein the zinc metal complex has a low toxicity on normal cells and a good potential medicinal value, and is expected to be used for preparing various anti-tumour medicines. The structural formulas of the complex are shown in formula (I) and formula (II) specified in the description.