Patent Number: 6,252,061

Title: Process for the production of 2-halo-6-aminopurine derivatives

Abstract: A novel process for preparing 2-halo-6-aminopurine derivatives and their analogs is disclosed. The method comprises halogenation of 2,6-diaminopurine derivatives at the C-2 position in a specific combination of aprotic polar and nonpolar organic solvents to give the corresponding halogenated derivatives.

Inventors: Sampath; UmaShanker (Ballwin, MO), Bartlett; Lawrence (Bonne Terre, MO)

Assignee: Reliable Biopharmaceutical, Inc.

International Classification: C07H 19/16 (20060101); C07F 9/00 (20060101); C07F 9/6561 (20060101); C07F 9/6571 (20060101); C07D 473/40 (20060101); C07H 19/00 (20060101); C07D 473/00 (20060101); C07H 019/167 (); C07H 019/173 (); C07D 473/00 ()

Expiration Date: 06/26/2018