Abstract: Disclosed is a nitrogen-containing heterocyclic compound, a method for preparing the same and a use of the same. The present disclosure provides a nitrogen-containing heterocyclic compound of formula I, a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a tautomer thereof or an isotopically labeled compound thereof, and the nitrogen-containing heterocyclic compound is expected to treat and/or prevent various RAS-related diseases.

Abstract: Disclosed is a five-membered heteroaromatic ring structure containing compound, pharmaceutical compositions thereof and applications thereof. The present disclosure provides a five-membered heteroaromatic ring structure containing compound of formula I, pharmaceutical compositions thereof and applications thereof and the five-membered heteroaromatic ring structure containing compound is expected to treat and/or prevent various PARG-related diseases.

Abstract: Disclosed is a nitrogen-containing heterocyclic compound, a preparation method therefor and use thereof. The present disclosure provides a nitrogen-containing heterocyclic compound of formula I, a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a tautomer thereof or an isotopically labeled compound thereof, and the nitrogen-containing heterocyclic compound is expected to treat and/or prevent various RAS-related diseases.

Abstract: Disclosed are an aromatic heterocyclic compound, an intermediate thereof, a preparation method therefor, and a pharmaceutical composition and use thereof. The aromatic heterocyclic compound of the present invention is a new ALK5 inhibitor, and is used for treating and/or preventing various ALK5-mediated diseases.

Abstract: The present disclosure relates to a preparation method morpholinquinazoline compound and a midbody thereof. The preparation method for morpholinquinazoline compound comprises the following steps: S1, performing a Suzuki reaction of compound S and compound IV as represented by the following formula, so as to obtain compound V; step S2, performing a reaction of methylsufonyl chloride and compound V in an organic solvent as represented by the following formula, so as to obtain compound VI; and S3, performing a coupled reaction of compound VII and compound VI in a solvent as represented by the following formula, so as to obtain compound YY-20394. The preparation method has the advantages of higher yield, better selectivity, simple operation and mild reaction condition, and is applicable to industrial production.

Abstract: Provided are a nitrogenous heterocyclic aromatic compound, a preparation method therefor, a pharmaceutical composition thereof, and an application thereof. The nitrogenous heterocyclic aromatic compound can be used for treating and/or preventing various diseases mediated by ALK5.

Abstract: Disclosed are an oxygen-containing heterocyclic compound, a preparation method therefor and the use thereof. The present disclosure provides an oxygen-containing heterocyclic compound represented by formula I, a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a tautomer thereof or an isotopic compound thereof. It is expected that the oxygen-containing heterocyclic compound can treat and/or prevent various Ras-mediated diseases.

Abstract: Provided in the present application are an aromatic heterocyclic substituted olefin compound, a preparation method for same, a pharmaceutical composition of same, and applications thereof. The aromatic heterocyclic substituted olefin compound of the present invention is a novel ALK5 inhibitor and is for use in treating and/or preventing various ALK5-mediated diseases.

Abstract: The present disclosure relates to a preparation method morpholinquinazoline compound and a midbody thereof. The preparation method for morpholinquinazoline compound comprises the following steps: S1, performing a Suzuki reaction of compound S and compound IV as represented by the following formula, so as to obtain compound V; step S2, performing a reaction of methylsufonyl chloride and compound V in an organic solvent as represented by the following formula, so as to obtain compound VI; and S3, performing a coupled reaction of compound VII and compound VI in a solvent as represented by the following formula, so as to obtain compound YY-20394. The preparation method has the advantages of higher yield, better selectivity, simple operation and mild reaction condition, and is applicable to industrial production.

Abstract: A crystal form I of a morpholino quinazoline compound represented by the following formula A, a preparation method therefor and use thereof. The crystal form I has good stability and non-hygroscopicity, and the preparation method is simple and suitable for industrial production.

Abstract: A crystal form I of a morpholino quinazoline compound represented by the following formula A, a preparation method therefor and use thereof. The crystal form I has good stability and non-hygroscopicity, and the preparation method is simple and suitable for industrial production.

Abstract: Provided are a nitrogenous heterocyclic aromatic compound, a preparation method therefor, a pharmaceutical composition thereof, and an application thereof. The nitrogenous heterocyclic aromatic compound can be used for treating and/or preventing various diseases mediated by ALK5.

Abstract: Disclosed are an aromatic acetylene or aromatic ethylene compound, an intermediate, a preparation method, a pharmaceutical composition and a use thereof. The aromatic acetylene or aromatic ethylene compound has a significant inhibitory effect on PD-1 and PD-L1, and can effectively relieve or treat cancers and other related diseases.

Abstract: Disclosed are an aromatic heterocyclic compound, an intermediate thereof, a preparation method therefor, and a pharmaceutical composition and use thereof. The aromatic heterocyclic compound of the present invention is a new ALK5 inhibitor, and is used for treating and/or preventing various ALK5-mediated diseases.

Abstract: Provided in the present application are an aromatic heterocyclic substituted olefin compound, a preparation method for same, a pharmaceutical composition of same, and applications thereof. The aromatic heterocyclic substituted olefin compound of the present invention is a novel ALK5 inhibitor and is for use in treating and/or preventing various ALK5-mediated diseases.

Abstract: Disclosed are a condensed-ring pyrimidylamino derivative, a preparation method therefor, and an intermediate, a pharmaceutical composition and applications thereof. The method for preparing the condensed-ring pyrimidylamino derivative comprises: in a solvent, in the presence of a palladium-containing catalyst, allowing a compound represented by formula I-a and a compound represented by formula I-b? to have a coupling reaction, and then preparing a compound represented by formula I by means of a deprotection reaction. Also disclosed applications of the condensed-ring pyrimidylamino derivative in the preparation of drugs for preventing, relieving and/or treating tumors or diseases caused by an anaplastic lymphoma kinase. The condensed-ring pyrimidylamino derivative of the present invention has an obvious restraint effect on the anaplastic lymphoma kinase.

Abstract: Disclosed area fused ring pyrimidine compound, and an intermediate, a preparation method, a composition and a use thereof. The fused ring pyrimidine compound is a compound as shown in formula I, a tautomer, an enantiomer, a diastereoisomer, a pharmaceutically acceptable salt, a metabolite, a metabolic precursor or a prodrug thereof, wherein the above-mentioned compound is used for the preparation of a medicine for preventing, remitting or treating one or more of immune system diseases, autoimmune diseases, cell proliferative diseases, allergic disorders and cardiovascular diseases, and the compound has a strong inhibitory effect on the Janues kinase, FGFR kinase, FLT3 kinase and Src family kinase.

Abstract: Disclosed are an aromatic acetylene or aromatic ethylene compound, an intermediate, a preparation method, a pharmaceutical composition and a use thereof. The aromatic acetylene or aromatic ethylene compound has a significant inhibitory effect on PD-1 and PD-L1, and can effectively relieve or treat cancers and other related diseases.

Abstract: Disclosed are a condensed-ring pyrimidylamino derivative, a preparation method therefor, and an intermediate, a pharmaceutical composition and applications thereof. The method for preparing the condensed-ring pyrimidylamino derivative comprises: in a solvent, in the presence of a palladium-containing catalyst, allowing a compound represented by formula I-a and a compound represented by formula I-b? to have a coupling reaction, and then preparing a compound represented by formula I by means of a deprotection reaction. Also disclosed applications of the condensed-ring pyrimidylamino derivative in the preparation of drugs for preventing, relieving and/or treating tumors or diseases caused by an anaplastic lymphoma kinase. The condensed-ring pyrimidylamino derivative of the present invention has an obvious restraint effect on the anaplastic lymphoma kinase.

Abstract: Disclosed are a condensed-ring pyrimidylamino derivative, a preparation method therefor, and an intermediate, a pharmaceutical composition and applications thereof. The method for preparing the condensed-ring pyrimidylamino derivative comprises: in a solvent, in the presence of a palladium-containing catalyst, allowing a compound represented by formula I-a and a compound represented by formula I-b? to have a coupling reaction, and then preparing a compound represented by formula I by means of a deprotection reaction. Also disclosed applications of the condensed-ring pyrimidylamino derivative in the preparation of drugs for preventing, relieving and/or treating tumors or diseases caused by an anaplastic lymphoma kinase. The condensed-ring pyrimidylamino derivative of the present invention has an obvious restraint effect on the anaplastic lymphoma kinase.