Global Patent Index - EP 0994715 A1

EP 0994715 A1 20000426 - DIFLUORONUCLEOSIDE PHOSPHONIC ACIDS AND DERIVATIVES THEREOF

Title (en)

DIFLUORONUCLEOSIDE PHOSPHONIC ACIDS AND DERIVATIVES THEREOF

Title (de)

DIFLUORNUKLEOSID-PHOSPHORSÄUREN UND IHRE DERIVATE

Title (fr)

ACIDES DIFLUORONUCLEOSIDES-PHOSPHONIQUES ET LEURS DERIVES

Publication

EP 0994715 A1 20000426 (EN)

Application

EP 98910503 A 19980319

Priority

  • US 9805477 W 19980319
  • US 4150797 P 19970324

Abstract (en)

[origin: WO9842351A1] Difluoronucleoside phosphonic acids and derivatives thereof of formula (II) where R is base selected from the group consisting of: (i), (ii), (iii), (iv), and (v) wherein R<1> is hydrogen, methyl, bromo, fluoro, chloro or iodo; R<2> is hydroxy or -NR<4>R<5>, where R<4> and R<5> are independently selected from the group consisting of hydrogen, methyl, ethyl and propyl; R<3> is hydrogen, bromo, chloro or iodo; both R<6> are the same, and are either -OR<7> or -(O<->R<8>), where R<7> is selected from the group consisting of hydrogen, methyl, ethyl, and isopropyl; R<8> is a pharmaceutically acceptable cation; and pharmaceutically acceptable salts and solvates thereof; are described and claimed as antiviral and antineoplastic agents.

IPC 1-7

A61K 31/70; C07H 19/00

IPC 8 full level

A61K 31/7068 (2006.01); A61K 31/7072 (2006.01); A61K 31/7076 (2006.01); A61K 31/708 (2006.01); A61P 31/12 (2006.01); A61P 31/22 (2006.01); A61P 35/00 (2006.01); C07H 19/073 (2006.01); C07H 19/10 (2006.01); C07H 19/173 (2006.01); C07H 19/20 (2006.01)

CPC (source: EP)

A61P 31/12 (2017.12); A61P 31/22 (2017.12); A61P 35/00 (2017.12); C07H 19/10 (2013.01); C07H 19/20 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

DOCDB simple family (publication)

WO 9842351 A1 19981001; AU 6473098 A 19981020; CA 2284263 A1 19981001; EP 0994715 A1 20000426; EP 0994715 A4 20010808; JP 2001518931 A 20011016

DOCDB simple family (application)

US 9805477 W 19980319; AU 6473098 A 19980319; CA 2284263 A 19980319; EP 98910503 A 19980319; JP 54582098 A 19980319