A compound is represented as Formula I, a tautomer thereof, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof:

##STR00001##

Compounds of Formula I are inhibitors of N-acylethanolamine hydrolyzing acid amidase (NAAA).

A compound is represented as Formula I, a tautomer thereof, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof:

##STR00001##

Compounds of Formula I are inhibitors of N-acylethanolamine hydrolyzing acid amidase (NAAA).

The subject matter disclosed herein relates to compositions and methods of making and using the compositions. In a further aspect, the subject matter disclosed herein relates to inhibitors of STAT3 dimerization. Methods of making these compositions as well as compositions comprising these compositions are also disclosed. Also disclosed are methods of treating or preventing certain cancers by administering to an individual in need thereof and effective amount of the compounds disclosed herein. Still further, disclosed herein are methods of inhibiting STAT3 by contacting a cell with a compound or composition as disclosed herein.

The subject matter disclosed herein relates to compositions and methods of making and using the compositions. In a further aspect, the subject matter disclosed herein relates to inhibitors of STAT3 dimerization. Methods of making these compositions as well as compositions comprising these compositions are also disclosed. Also disclosed are methods of treating or preventing certain cancers by administering to an individual in need thereof and effective amount of the compounds disclosed herein. Still further, disclosed herein are methods of inhibiting STAT3 by contacting a cell with a compound or composition as disclosed herein.

A compound is represented as Formula I, a tautomer thereof, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof. Compounds of Formula I are inhibitors of N-acylethanolamine hydrolyzing acid amidase (NAAA). The present technology is directed to compounds, compositions, and methods to inhibit N-acylethanolamine hydrolyzing acid amidase and to treat N-acylethanolamine hydrolyzing acid amidase mediated conditions in a subject. ##STR00001##

A compound is represented as Formula I, a tautomer thereof, a stereoisomer thereof, or a pharmaceutically acceptable salt thereof. Compounds of Formula I are inhibitors of N-acylethanolamine hydrolyzing acid amidase (NAAA). The present technology is directed to compounds, compositions, and methods to inhibit N-acylethanolamine hydrolyzing acid amidase and to treat N-acylethanolamine hydrolyzing acid amidase mediated conditions in a subject. ##STR00001##

There are disclosed compounds of formula (I) that modulate or inhibit the enzymatic activity of indoleamine-2,3-dioxygenase (IDO), pharmaceutical compositions containing said compounds and methods of treating proliferative disorders, such as cancer, viral infections and/or inflammatory disorders utilizing the compounds of the invention.

##STR00001##

There are disclosed compounds of formula (I) that modulate or inhibit the enzymatic activity of indoleamine-2,3-dioxygenase (IDO), pharmaceutical compositions containing said compounds and methods of treating proliferative disorders, such as cancer, viral infections and/or inflammatory disorders utilizing the compounds of the invention.

##STR00001##

The present invention relates to a guanidine compound and a use thereof, and more specifically, to a guanidine derivative showing excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence; a preparation method thereof; and a pharmaceutical composition containing the same as an active ingredient. Compared to existing drugs, the guanidine derivative according to the present invention shows excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence even with small doses, and may thus be effectively used in preventing or treating various cancers such as uterine cancer, breast cancer, stomach cancer, brain cancer, rectal cancer, colorectal cancer, lung cancer, skin cancer, blood cancer, liver cancer, etc., inhibiting cancer cell proliferation and cancer metastasis.

The present invention relates to a guanidine compound and a use thereof, and more specifically, to a guanidine derivative showing excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence; a preparation method thereof; and a pharmaceutical composition containing the same as an active ingredient. Compared to existing drugs, the guanidine derivative according to the present invention shows excellent effects of inhibiting cancer cell proliferation, cancer metastasis, and cancer recurrence even with small doses, and may thus be effectively used in preventing or treating various cancers such as uterine cancer, breast cancer, stomach cancer, brain cancer, rectal cancer, colorectal cancer, lung cancer, skin cancer, blood cancer, liver cancer, etc., inhibiting cancer cell proliferation and cancer metastasis.