4-thio coumarins
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United States of America Patent
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Mar 9, 2004
Grant Date -
Jan 1, 2004
app pub date -
May 13, 2003
filing date -
May 14, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
4-thio substituted coumarin derivatives and coumarin dimers are provided, as well as processes for their preparation. A synthetic process for the preparation of 4-thio substituted coumarin derivatives is provided using mild reaction conditions, which maintains a high substituent tolerance and is appropriate for use in solid phase syntheses for producing a library of 4-thio substituted coumarin derivatives for biological screening.
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