Valacyclovir hydrochloride use and process for the treatment of herpes viral infection in a human and for the production of anhydrous crystalline valacyclovir hydrochloride

摘要

PCT No. PCT/GB96/00117 Sec. 371 Date Sep. 22, 1997 Sec. 102(e) Date Sep. 22, 1997 PCT Filed Jan. 19, 1996 PCT Pub. No. WO96/22291 PCT Pub. Date Jul. 25, 1996The invention relates to an anhydrous crystalline form of (2-[2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy]ethyl L-valinate hydrochloride (otherwise known as valaciclovir hydrochloride) and a process for preparing it.