PROCESSES OF PREPARING POLYGLUTAMATED ANTIFOLATES AND USES OF THEIR COMPOSITIONS

Provided herein are methods of preparing polyglutamated compounds, such as polyglutamated antifolates, and/or pharmaceutical compositions such as liposomal compositions comprising the same, Also provided herein are substantially pure polyglutamated compounds, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition such as liposomal composition comprising the same. The present disclosure further provides methods of using the polyglutamated compounds and compositions to treat diseases including hyperproliferative diseases such as cancer, disorders of the immune system such as rheumatoid arthritis, and infectious diseases such as HIV, malaria, and schistomiasis.