HUT73655A

Process for preparing substituted 1,3-oxathiolanes with antiviral properties

Abstract

Disclosed are processes for preparing compounds of formula (I) and pharmaceutically acceptable salts or esters thereof, wherein R2 is a purine or pyrimidine base or an analogue or derivative thereof; and Z is S, S = O or SO2. The invention also relates to intermediates of use in the preparation of these compounds.

Term

No projected expiry on record.

153 members in 45 offices

This recordMember, by publication datePriority claim35 more offices are in the list below

Priority claims4

Priority claims
Document	Office	Kind	Date
30810189	United States of America	A	1989-02-08
56416090	United States of America	A	1990-08-07
2152269	Canada	A	1992-12-21
9200557	Canada	W	1992-12-21

Members153

Family members, oldest first
Document	Office	Kind
DK172089D0	Denmark	D0	1989-04-10
IE891136L	Ireland	L	1989-10-11
AU3264489A	Australia	A	1989-10-12
DK172089A	Denmark	A	1989-10-12
EP0337713A2	European Patent Office (EPO)	A2	1989-10-18
KR890016046A	Republic of Korea	A	1989-11-28
IL89921A0	Israel	A0	1989-12-15
IL89921D0	Israel	D0	1989-12-15
JPH01316375A	Japan	A	1989-12-21
ZA892645B	South Africa	B	1989-12-27
FI900631A0	Finland	A0	1990-02-08
NO900619D0	Norway	D0	1990-02-08
HU900708D0	Hungary	D0	1990-04-28
AP9000163A0	African Regional Intellectual Property Organization (ARIPO)	A0	1990-04-30
CA2009637A1	Canada	A1	1990-08-08
IE900452L	Ireland	L	1990-08-08
IE960758L	Ireland	L	1990-08-08
NO900619L	Norway	L	1990-08-09
AU4920190A	Australia	A	1990-08-16
EP0382526A2	European Patent Office (EPO)	A2	1990-08-16
CN1044817A	China	A	1990-08-22
PT93094A	Portugal	A	1990-08-31
KR900012932A	Republic of Korea	A	1990-09-03
HUT53362A	Hungary	A	1990-10-28
ZA90943B	South Africa	B	1990-10-31
EP0337713A3	European Patent Office (EPO)	A3	1990-11-22
JPH037282A	Japan	A	1991-01-14
AP136A	African Regional Intellectual Property Organization (ARIPO)	A	1991-08-05
US5041449A	United States of America	A	1991-08-20
US5047407A	United States of America	A	1991-09-10
NZ228645A	New Zealand	A	1991-09-25
YU24390A	Yugoslavia, later Serbia and Montenegro (until 2006)	A	1991-10-31
EP0382526A3	European Patent Office (EPO)	A3	1992-01-02
OA09193A	African Intellectual Property Organization (OAPI)	A	1992-06-30
CS410991A3	Czechoslovakia (until 1993)	A3	1992-07-15
US5151426A	United States of America	A	1992-09-29
AU630913B2	Australia	B2	1992-11-12
OA09470A	African Intellectual Property Organization (OAPI)	A	1992-11-15
AU631786B2	Australia	B2	1992-12-10
MX19437A	Mexico	A	1993-05-01
IL89921A	Israel	A	1993-08-18
HU208134B	Hungary	B	1993-08-30
NZ232421A	New Zealand	A	1993-10-26
US5270315A	United States of America	A	1993-12-14
CA2152269A1	Canada	A1	1994-07-07
WO9414802A1	World Intellectual Property Organization (WIPO)	A1	1994-07-07
AU3154993A	Australia	A	1994-07-19
MY105523A	Malaysia	A	1994-10-31
PL164785B1	Poland	B1	1994-10-31
HU210537A9	Hungary	A9	1995-04-28
IL93318A	Israel	A	1995-07-31
HU9501825D0	Hungary	D0	1995-08-28
EP0674634A1	European Patent Office (EPO)	A1	1995-10-04
EP0337713B1	European Patent Office (EPO)	B1	1995-10-18
US5466806A	United States of America	A	1995-11-14
AT129247T	Austria	T	1995-11-15
ATE129247T1	Austria	T1	1995-11-15
DE68924549D1	Germany	D1	1995-11-23
ES2078234T3	Spain	T3	1995-12-16
PT93094B	Portugal	B	1995-12-29
HK5996A	Hong Kong, China	A	1996-01-19
GR3017812T3	Greece	T3	1996-01-31
DE68924549T2	Germany	T2	1996-04-04
LV5730A4	Latvia	A4	1996-04-20
JPH08504212A	Japan	A	1996-05-07
JPH08119967A	Japan	A	1996-05-14
EP0382526B1	European Patent Office (EPO)	B1	1996-05-15
EP0711771A2	European Patent Office (EPO)	A2	1996-05-15
KR960007531B1	Republic of Korea	B1	1996-06-05
AT138065T	Austria	T	1996-06-15
ATE138065T1	Austria	T1	1996-06-15
DE69026971D1	Germany	D1	1996-06-20
ES2086371T3	Spain	T3	1996-07-01
EP0711771A3	European Patent Office (EPO)	A3	1996-07-10
NO179518B	Norway	B	1996-07-15
DK0382526T3	Denmark	T3	1996-08-05
LV5730B4	Latvia	B4	1996-08-20
GR3019919T3	Greece	T3	1996-08-31
DE69026971T2	Germany	T2	1996-09-12
HUT73655AThis record	Hungary	A	1996-09-30
SI9010243A	Slovenia	A	1996-10-31
CN1033640C	China	C	1996-12-25
FI98065B	Finland	B	1996-12-31
LU88809I2	Luxembourg	I2	1997-01-03
NL960025I1	Netherlands (Kingdom of the)	I1	1997-01-06
IE71225B1	Ireland	B1	1997-02-12
NL960025I2	Netherlands (Kingdom of the)	I2	1997-03-03
IE72184B1	Ireland	B1	1997-03-26
FI98065C	Finland	C	1997-04-10
HRP940040A2	Croatia	A2	1997-04-30
HK51997A	Hong Kong, China	A	1997-05-02
JP2644357B2	Japan	B2	1997-08-25
CZ282720B6	Czechia	B6	1997-09-17
CA2009637C	Canada	C	1997-10-07
RU2092485C1	Russian Federation	C1	1997-10-10
US5684164A	United States of America	A	1997-11-04
CA1339609C	Canada	C	1997-12-30
CY2036A	Cyprus	A	1998-02-20
KR0137023B1	Republic of Korea	B1	1998-04-25
SG48737A1	Singapore	A1	1998-05-18

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Events

Legal events, newest first
	Event	Code
2010-08-30	Lapse of definitive patent protection due to non-payment of feesLapsedMM4A	MM4A
2008-03-28	Change of name, addressHC9A	HC9A