Global Patent Index - EP 1032573 A1

EP 1032573 A1 2000-09-06 - PROCESS FOR PREPARING A CHIRAL NUCLEOSIDE ANALOGUE

Title (en)

PROCESS FOR PREPARING A CHIRAL NUCLEOSIDE ANALOGUE

Title (de)

VERFAHREN ZUR HERSTELLUNG VON EINEM CHIRALEN NUKLEOSIDE-ANALOGON

Title (fr)

PROCEDE DE PREPARATION D'UN ANALOGUE DE NUCLEOSIDE CHIRAL

Publication

EP 1032573 A1 (EN)

Application

EP 97952769 A

Priority

EP 9706379 W

Abstract (en)

[origin: WO9924431A1] A new process for the preparation of the chiral nucleoside analogue (1S,4R)-4-[2-amino-6-(cyclopropylamino)-9H purin-9-yl]-2-cyclopentene-1-methanol comprising reacting a compound of formula (II) or (III), wherein X is H or a blocking group and Y is H or an activating group, with 2-amino-6-(cyclopropylamino)purine in the presence of a catalyst.

IPC 1-7 (main, further and additional classification)

C07D 473/00

IPC 8 full level (invention and additional information)

C07D 473/16 (2006.01); C07D 473/00 (2006.01)

CPC (invention and additional information)

C07D 473/00 (2013.01)

Citation (search report)

See references of WO 9924431A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9924431 A1 19990520; AU 5653498 A 19990531; EP 1032573 A1 20000906; JP 2001522850 A 20011120

INPADOC legal status


2003-05-07 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20021026

2001-02-14 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20001229

2000-09-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000511

2000-09-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-09-06 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL PAYMENT 20000511;LT PAYMENT 20000511;LV PAYMENT 20000511;MK PAYMENT 20000511;RO PAYMENT 20000511;SI PAYMENT 20000511