| abstract |
methods of synthesis and purification of heteroaryl the present invention deals with methods for the preparation of heteroaryl compounds which have the following structure: formula (i) or formula (ii): wherein r1-r4 are as defined herein. heteroaryl compounds are useful for the treatment or prevention of cancer, inflammatory conditions, immunological conditions, neurodegenerative diseases, diabetes, obesity, neurological disorders, age-related diseases or cardiovascular conditions. |