Global Patent Index - EP 1761535 A1

EP 1761535 A1 20070314 - METHOD FOR REDUCING RESIDUAL ALCOHOLS IN CRYSTALLINE VALACYCLOVIR HYDROCHLORIDE

Title (en)

METHOD FOR REDUCING RESIDUAL ALCOHOLS IN CRYSTALLINE VALACYCLOVIR HYDROCHLORIDE

Title (de)

VERFAHREN ZUR VERMINDERUNG VON RESTALKOHOLEN IN KRISTALLINEM VALACYCLOVIR-HYDROCHLORID

Title (fr)

PROCÉDÉ POUR RÉDUIRE LES ALCOOLS RÉSIDUELS DANS L'HYDROCHLORURE DE VALACYCLOVIR CRISTALLIN

Publication

EP 1761535 A1 20070314 (EN)

Application

EP 04756372 A 20040630

Priority

US 2004020903 W 20040630

Abstract (en)

[origin: WO2006011874A1] Provided is valacyclovir hydrochloride stable against formation of N'-formylvalacyclovir upon storage at elevated humidity and pharmaceutical compositions including such valacyclovir hydrochloride.

IPC 8 full level

C07D 473/00 (2006.01); C07D 473/18 (2006.01)

CPC (source: EP)

A61P 31/22 (2017.12); C07D 473/00 (2013.01); C07D 473/18 (2013.01)

Citation (search report)

See references of WO 2006011874A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006011874 A1 20060202; CA 2572268 A1 20060202; CN 1976933 A 20070606; EP 1761535 A1 20070314; IL 180351 A0 20070603; JP 2008504255 A 20080214

DOCDB simple family (application)

US 2004020903 W 20040630; CA 2572268 A 20040630; CN 200480043470 A 20040630; EP 04756372 A 20040630; IL 18035106 A 20061226; JP 2007518020 A 20040630