Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.

Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.

Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.

Abstract: The present invention belongs to the field of pharmaceutical chemistry, and relates to a substituted pyrrolopyrimidine CDK inhibitor, in particular to a compound as shown in formula I or a pharmaceutically acceptable salt or solvate thereof, as well as a preparation method thereof and a pharmaceutical composition thereof. The present invention also relates to the use of the compound and the pharmaceutical composition thereof in the preparation of a drug for treating diseases associated with CDK inhibition. The compound according to the present invention has a marked inhibitory effect on CDK, excellent drug absorption and significantly superior oral absorption effect.

Abstract: Disclosed are compounds having formulae I and II or pharmaceutically acceptable salts or hydrates thereof, a preparation method thereof and pharmaceutical compositions thereof. The compounds having formulae I and II possesses an isocitrate dehydrogenase 2 (IDH2) inhibitory activity and are capable of treating IDH2 mutation-induced cancers.

Abstract: The present application relates to compounds represented by general formula (I), general formula (II) or general formula (III), and pharmaceutically acceptable salts or hydrates thereof, preparation methods thereof, and pharmaceutical compositions thereof. The compounds represented by general formula (I), general formula (II) or general formula (III) have inhibitory activities against isocitrate dehydrogenase 2 (IDH2), thereby being capable of treating IDH2 mutation-induced cancers.

Abstract: The present application relates to compounds represented by general formula (I), general formula (II) or general formula (III), and pharmaceutically acceptable salts or hydrates thereof, preparation methods thereof, and pharmaceutical compositions thereof. The compounds represented by general formula (I), general formula (II) or general formula (III) have inhibitory activities against isocitrate dehydrogenase 2 (IDH2), thereby being capable of treating IDH2 mutation-induced cancers.

Abstract: A class of quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof with novel structures is provided; meanwhile, a pharmaceutical composition comprising a pharmaceutically effective amount of said quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof, and pharmaceutically acceptable excipients or additives is also provided. By modifying and transforming the quinazoline and screening of the transformed compounds on the activity of tyrosine kinase inhibition, most of the compounds have been found to possess inhibitory activity against one or several of EGFR, VEGFR-2, c-erbB-2, c-erbB-4, c-met, tie-2, PDGFR, c-src, lck, Zap70 and fyn kinases. The present invention has the advantages of reasonable design, broad source of and easy access to the raw materials, simple and easy operation of the preparation methods, mild reaction conditions, high yield of the products and being beneficial for industrial-scale production.

Abstract: The invention relates to a novel class of 2,4-diamino-6,7-dihydro-5H-pyrrolo[2,3]pyrimidine derivatives as a FAK and/or Pyk2 inhibitor, to a process for their preparation, and to a composition thereof, as well as to use of the compounds for the inhibiting FAK and/or Pyk2 and method for the treatment of a FAK and/or Pyk2 mediated disorder or disease.

Abstract: The disclosure relates to liquid nitrogen pump equipment load testing and experimenting apparatus, and testing and experimenting method thereof, used for oil-gas fields or coalbed methane nitrogen foam fracturing equipment testing. A hydraulic damping apparatus unit and a pressure regulation unit are provided; the hydro-mechanical damping apparatus unit comprises a water tank, a pump unit apparatus, and a pipe manifold system connected in sequence.

Abstract: A class of quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof with novel structures is provided; meanwhile, a pharmaceutical composition comprising a pharmaceutically effective amount of said quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof, and pharmaceutically acceptable excipients or additives is also provided. By modifying and transforming the quinazoline and screening of the transformed compounds on the activity of tyrosine kinase inhibition, most of the compounds have been found to possess inhibitory activity against one or several of EGFR, VEGFR-2, c-erbB-2, c-erbB-4, c-met, tie-2, PDGFR, c-src, lck, Zap70 and fyn kinases. The present invention has the advantages of reasonable design, broad source of and easy access to the raw materials, simple and easy operation of the preparation methods, mild reaction conditions, high yield of the products and being beneficial for industrial-scale production.

Abstract: The invention relates to a novel class of 2,4-diamino-6,7-dihydro-5H-pyrrolo[2,3]pyrimidine derivatives as a FAK and/or Pyk2 inhibitor, to a process for their preparation, and to a composition thereof, as well as to use of the compounds for the inhibiting FAK and/or Pyk2 and method for the treatment of a FAK and/or Pyk2 mediated disorder or disease.

Abstract: The disclosure relates to liquid nitrogen pump equipment load testing and experimenting apparatus, and testing and experimenting method thereof, used for oil-gas fields or coalbed methane nitrogen foam fracturing equipment testing. A hydraulic damping apparatus unit and a pressure regulation unit are provided; the hydro-mechanical damping apparatus unit comprises a water tank, a pump unit apparatus, and a pipe manifold system connected in sequence.

Abstract: The present invention provides curcumol derivatives of the following formula (I) or pharmaceutical acceptable salts thereof: wherein, Y is selected from the group consisting of ?CHR2, —CH2R2, ?O, ?—OH or —OR1;R1 is selected from H, R, RCO or HO3S; and R is selected from the group consisting of H; saturated or unsaturated linear C1-10 hydrocarbon group and the like; R2 is selected from the group consisting of F; Cl; Br; I; H; —OH; —OR; —HSO3 and the like; with the proviso that both R1 and R2 are not H. The present invention also provides anti-tumor or antiviral pharmaceutical compositions comprising said derivatives or pharmaceutical acceptable salts thereof. The present invention further provides the use of said derivatives or pharmaceutical acceptable salts thereof in the preparation of a medicament for prophylaxis and/or treatment tumor or an antiviral medicament.

Abstract: The present invention relates to the diol intermediate of citalopram useful for treatment of depression, which is the crystal of free base of 3-hydroxylmethyl-4-[1-(4-fluorophenyl)-1-hydroxyl-4-(dimethylamino)]butylbenzonitrile and the method of crystallization thereof. The present invention has disclosed the method to prepare pure citalopram and its purified salts through crystallization of the described base; the optical resolution method of citalopram diol intermediate, the method to prepare S-citalopram and its purified salts by crystals mentioned above. The present invention has also disclosed the method to prepare citalopram and its purified salts, S-citalopram and its purified salts, as well as pharmaceutical formulation thereof obtained. Using methods of the present invention, the quality and yield of the product can be significantly improved, and the production cost of the medicinal material can be reduced.

Abstract: The present invention provides curcumol derivatives of the following formula (I) or pharmaceutical acceptable salts thereof: wherein, Y is selected from the group consisting of ?CHR2, —CH2R2, ?O, ?—OH or —OR1;R1 is selected from H, R, RCO or HO3S; and R is selected from the group consisting of H; saturated or unsaturated linear C1-10 hydrocarbon group and the like; R2 is selected from the group consisting of F; Cl; Br; I; H; —OH; —OR; —HSO3 and the like; with the proviso that both R1 and R2 are not H. The present invention also provides anti-tumor or antiviral pharmaceutical compositions comprising said derivatives or pharmaceutical acceptable salts thereof. The present invention further provides the use of said derivatives or pharmeceutical acceptable salts thereof in the preparation of a medicament for prophylaxis and/or treatment tumor or an antiviral medicament.

Abstract: The present invention relates to the diol intermediate of citalopram useful for treatment of depression, that is to say, the crystal of free alkali of 3-hydroxylmethyl-4-[1-(4-fluorophenyl)-1-hydroxyl-4-(dimethylamino)] butylbenzonitrile and the method of crystallization thereof. The present invention has disclosed the method to prepare pure citalopram and its purified salts through crystallization of the described alkali;the optical resolution method of citalopram diol intermediate, the method to prepare S-citalopram and its purified salts by crystals mentioned above. The present invention has also disclosed the method to prepare citalopram and its purified salts, S-citalopram and its purified salts, as well as pharmaceutical formulation thereof obtained. Using methods of the present invention, the quality and yield of the product can be signally improved, and the production cost of the medicinal material can be decreased.