Processes for preparing substituted 1, 3-oxathiolanes with antiviral properties
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United States of America Patent
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Dec 14, 2004
Grant Date -
Nov 15, 2001
app pub date -
Jan 16, 2001
filing date -
Apr 11, 1988
priority date (Note) -
Expired
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Abstract
Disclosed are processes for preparing compounds of the formula (I) and pharmaceutically acceptable salts or esters thereof: ##STR1## wherein R.sub.2 is a purine or pyrimidine base or an analogue or derivative thereof; and Z is S, S.dbd.O or SO.sub.2. The invention also relates to intermediates of use in the preparation of these compounds.
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