16-membered macrolide derivatives
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United States of America Patent
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Feb 11, 1997
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N/A
app pub date -
Jul 8, 1994
filing date -
Jul 8, 1993
priority date (Note) -
Expired
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Abstract
16-membered macrolide derivatives represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent group which protects a hydroxyl group; R.sup.2 represents a hydrogen atom or a substituent group which protects a hydroxyl group; R.sup.3 represents a hydrogen atom or a straight-chain aliphatic acyl group having 2 to 4 carbon atoms; and R.sup.4 represents a hydrogen atom or a straight-chain aliphatic or aromatic acyl group having 1 to 10 carbon atoms; or a pharmaceutically acceptable salt thereof are disclosed. A novel process for producing these 16-membered macrolide derivatives is also disclosed.
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