Disclosed are heterocyclic heteroaromatic macrocyclic ether compounds, pharmaceutically acceptable salts of the compounds and pharmaceutical compositions thereof. The disclosure further relates to methods of treating or preventing cancer using the heterocyclic heteroaromatic macrocyclic ether compounds, pharmaceutically acceptable salts of the compounds and pharmaceutical compositions thereof.

Tricyclic compounds and their use are provided. More specifically, tricyclic compounds, pharmaceutical compositions containing them, methods for preparing them, and their use in therapy are also provided.

Tricyclic compounds and their use are provided. More specifically, tricyclic compounds, pharmaceutical compositions containing them, methods for preparing them, and their use in therapy are also provided.

The present invention provides a compound represented by Formula (I): ##STR00001##
wherein ring A is a substituted or unsubstituted heterocycle; ring C is a benzene ring or the like; R.sup.1 is halogen or the like; R.sup.2a and R.sup.2b are each independently hydrogen or the like; R.sup.3 is substituted or unsubstituted alkyl or the like; R.sup.4 is hydrogen or the like; and n is an integer of 1 to 3.

The present invention provides a compound represented by Formula (I): ##STR00001##
wherein ring A is a substituted or unsubstituted heterocycle; ring C is a benzene ring or the like; R.sup.1 is halogen or the like; R.sup.2a and R.sup.2b are each independently hydrogen or the like; R.sup.3 is substituted or unsubstituted alkyl or the like; R.sup.4 is hydrogen or the like; and n is an integer of 1 to 3.

The present invention provides a compound represented by Formula (I): ##STR00001##
wherein ring A is a substituted or unsubstituted heterocycle; ring C is a benzene ring or the like; R.sup.1 is halogen or the like; R.sup.2a and R.sup.2b are each independently hydrogen or the like; R.sup.3 is substituted or unsubstituted alkyl or the like; R.sup.4 is hydrogen or the like; and n is an integer of 1 to 3.

Provided is a low sublimation temperature heterocyclic compound of Chemical Formula 1:

##STR00001## wherein, in Chemical Formula 1, adjacent one or more pairs of * bond to X.sub.1 and X.sub.2 of the following Chemical Formula 2:

##STR00002##

where * means the part of Chemical Formula 1 bonding to X.sub.1 and X.sub.2, and the substituents are as defined in the specification, and an organic light emitting device including the same, whereby the heterocyclic compound of Chemical Formula 1 increases efficiency and stability of the organic light emitting device.

The present disclosure relates generally to inhibitors of KIF18A, compositions thereof, and methods of using said compounds and compositions thereof. More specifically, the present disclosure relates to indoline inhibitors of KIF18A and methods of their use for treating disease mediated by KIF18A, such as cancer.

The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.4a, R.sup.4b and n are as defined herein. The inventions also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds and methods of preparing the compounds.

##STR00001##

The present invention is directed to compounds of Formula I: or a pharmaceutically acceptable salt thereof, wherein the substituents A, R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.4a, R.sup.4b and n are as defined herein. The inventions also directed to pharmaceutical compositions comprising the compounds, methods of treatment using the compounds and methods of preparing the compounds.

##STR00001##