327056-55-3

Upstream product

• 89809-64-3 2-cyano-5-chloropyridine 
• 244221-57-6 5-chloro-2-iodo-pyridine 

Downstream Products

• 453566-59-1 3-(5-chloropyrid-2-yl)-5-(3-chloro-5-fluorophenyl)-1,2,4-oxadiazole 
• 453566-58-0 3-(5-chloropyrid-2-yl)-5-(3-cyano-5-chlorophenyl)-1,2,4-oxadiazole 
• 453566-57-9 3-(5-chloropyrid-2-yl)-5-(3-cyano-5-fluorophenyl)-1,2,4-oxadiazole 

Relevant academic research and scientific papers

Discovery and development of a novel N-(3-bromophenyl)-{[(phenylcarbamoyl)amino]methyl}-N-hydroxythiophene-2-carboximidamide indoleamine 2,3-dioxygenase inhibitor using knowledge-based drug design

Indoleamine 2,3-dioxygenase-1 (IDO1) is a potential target for the next generation of cancer immunotherapies. We describe the development of two series of IDO1 inhibitors incorporating a N-hydroxy-thiophene-carboximidamide core generated by knowledge-based drug design. Structural modifications to improve the cellular activity and pharmacokinetic (PK) properties of the compounds synthesized, including extension of the side chain of the N-hydroxythiophene-2-carboximidamide core, resulted in compound 27a, a potent IDO1 inhibitor which demonstrated significant (51%) in vivo target inhibition on IDO1 in a human SK-OV-3 ovarian xenograft tumor mouse model. This strategy is expected to be applicable to the discovery of additional IDO1 inhibitors for the treatment of other diseases susceptible to modulation of IDO1.

INHIBITOR COMPOUNDS

The disclosure relates to heterocyclic compounds and methods for their preparation. The disclosure provides compounds that may have beneficial therapeutic activity in the treatment of a disease or condition mediated by excessive or otherwise undesirable Des1 and/or fibrotic activity.

Discovery and structure-activity relationship of 3-aryl-5-aryl-1,2,4- oxadiazoles as a new series of apoptosis inducers and potential anticancer agents

We have identified 5-(3-chlorothiophen-2-yl)-3-(4-trifluoromethylphenyl)-1, 2,4-oxadiazole (1d) as a novel apoptosis inducer through our caspase- and cell-based high-throughput screening assay. Compound 1d has good activity against several breast and colorectal cancer cell lines but is inactive against several other cancer cell lines. In a flow cytometry assay, treatment of T47D cells with 1d resulted in arrest of cells in the G1 phase, followed by induction of apoptosis. SAR studies of Id showed that the 3-phenyl group can be replaced by a pyridyl group, and a substituted five-member ring in the 5-position is important for activity. 5-(3-Chlorothiophen-2-yl)-3-(5- chloropyridin-2-yl)-1,2,4-oxadiazole (41) has been found to have in vivo activity in a MX-1 tumor model. Using a photoaffinity agent, the molecular target has been identified as TIP47, an IGFII receptor binding protein. Therefore, our cell-based chemical genetics approach for the discovery of apoptosis inducers can identify potential anticancer agents as well as their molecular targets.

3,5-Disubstituted-[1,2,4]-oxadiazoles and analogs as activators of caspases and inducers of apoptosis and the use thereof

Disclosed are 3,5-disubstituted-[1,2,4]-oxadiazoles and analogs thereof, represented by the Formula I: wherein Ar1, R2, A, B and D are defined herein. The present invention relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.

Substituted 3-aryl-5-aryl-[1,2,4]-oxadiazoles and analogs as activators of caspases and inducers of apoptosis and the use thereof

The present invention is directed to substituted 3-aryl-5-aryl-[1,2,4]-oxadiazoles and analogs thereof, represented by the Formula I: wherein Ar1, Ar3, A, B and D are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.

Heteropolycyclic compounds and their use as metabotropic glutamate receptor antagonists

The present invention provides compounds and pharmaceutical compositions that act as antagonists at metabotropic glutamate receptors, and that are useful for treating neurological diseases and disorders. Methods of preparing the compounds also are disclosed.