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. ##STR00001##

The present invention provides a method for treating or preventing a condition or disease in a human or an animal subject wherein the condition or disease is associated with lipoprotein metabolism, the method comprising administering to the subject a composition comprising benzylamine compounds.

The present invention provides a method for treating or preventing a condition or disease in a human or an animal subject wherein the condition or disease is associated with lipoprotein metabolism, the method comprising administering to the subject a composition comprising benzylamine compounds.

Disclosed herein are certain 4-arylquinazoline derivatives of Formula (I) that are methionine adenosyltransferase 2A (MAT2A) inhibitors. Also disclosed are pharmaceutical compositions comprising such compounds and methods of treating diseases treatable by inhibition of MAT2A such as cancer, including cancers characterized by reduced or absence of methylthioadenosine phosphorylase (MTAP) activity.

##STR00001##

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.

##STR00001##

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.

##STR00001##

This invention provides quinazoline derivatives represented by the structural formula: (I); wherein: R.sub.2 is hydrogen, NR′R″, C.sub.1-7alkyl, arylC.sub.1-7 alkyl or C.sub.3-10 cycloalkyl; R.sub.4 is amino, C.sub.1-7alkyl, C.sub.2-7 alkenyl, C.sub.3-10 cycloalkyl, C.sub.3-10 cycloalkenyl, aryl, heterocyclic, arylalkyl, heterocyclic-substituted C.sub.1-7alkyl or C.sub.3-10 cycloalkyl-C.sub.1-7 alkyl; R.sub.5 is hydrogen or C.sub.1-7 alkyl, or R.sub.5 and R.sub.4 together with the nitrogen atom to which they are attached form a heterocyclic ring; Y is a single bond, C.sub.1-7alkylene, C.sub.2-7 alkenylene or C.sub.2-7 alkynylene; R.sub.6 is halogen, heteroaryl or aryl; R′ and R″ are each independently hydrogen, C.sub.1-7 alkyl-carbonyl or C.sub.1-7 alkyl; provided that R.sub.4 is not phenyl substituted with morpholino when R.sub.2 is H and R.sub.5 is H, and provided that when NR.sub.4R.sub.5 is piperazinyl, said NR.sub.4R.sub.5 is either non-substituted or substituted with methyl or acetyl; a pharmaceutically acceptable addition salt, a stereoisomer, a mono- or a di-N-oxide, a solvate or a pro-drug thereof, for the treatment of viral infections.

This invention provides quinazoline derivatives represented by the structural formula: (I); wherein: R.sub.2 is hydrogen, NR′R″, C.sub.1-7alkyl, arylC.sub.1-7 alkyl or C.sub.3-10 cycloalkyl; R.sub.4 is amino, C.sub.1-7alkyl, C.sub.2-7 alkenyl, C.sub.3-10 cycloalkyl, C.sub.3-10 cycloalkenyl, aryl, heterocyclic, arylalkyl, heterocyclic-substituted C.sub.1-7alkyl or C.sub.3-10 cycloalkyl-C.sub.1-7 alkyl; R.sub.5 is hydrogen or C.sub.1-7 alkyl, or R.sub.5 and R.sub.4 together with the nitrogen atom to which they are attached form a heterocyclic ring; Y is a single bond, C.sub.1-7alkylene, C.sub.2-7 alkenylene or C.sub.2-7 alkynylene; R.sub.6 is halogen, heteroaryl or aryl; R′ and R″ are each independently hydrogen, C.sub.1-7 alkyl-carbonyl or C.sub.1-7 alkyl; provided that R.sub.4 is not phenyl substituted with morpholino when R.sub.2 is H and R.sub.5 is H, and provided that when NR.sub.4R.sub.5 is piperazinyl, said NR.sub.4R.sub.5 is either non-substituted or substituted with methyl or acetyl; a pharmaceutically acceptable addition salt, a stereoisomer, a mono- or a di-N-oxide, a solvate or a pro-drug thereof, for the treatment of viral infections.

The present application relates to compounds comprising an ester, a thioester, or a hydrazide moiety and methods of synthesizing these compounds. The present application also relates to pharmaceutical compositions containing the compounds and methods of treating cell proliferative disorders mediated by the Hedgehog (Hh) signaling pathway, such as cancer, by administering the compounds and pharmaceutical compositions to subjects in need thereof.

The present application relates to compounds comprising an ester, a thioester, or a hydrazide moiety and methods of synthesizing these compounds. The present application also relates to pharmaceutical compositions containing the compounds and methods of treating cell proliferative disorders mediated by the Hedgehog (Hh) signaling pathway, such as cancer, by administering the compounds and pharmaceutical compositions to subjects in need thereof.