Method of making 2'-O-alkyl pyrimidine ribonucleosides
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United States of America Patent
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May 26, 1998
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app pub date -
Dec 13, 1994
filing date -
Dec 13, 1994
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Expired
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Abstract
Method for production of 2'-O-derivatized uridine and cytosine RNA synthons comprising derivatizing the 2'-hydroxyl group of a partially protected cytosine ribonucleoside to preferentially produce a partially protected 2'-O-derivatized nucleoside, which is then either (1) reacted at the 3'-hydroxyl group to produce a 2'-O-derivatized cytosine RNA synthon, or (2) reacted with a hydroxide source to produce a uridine nucleobase by deamination, thereby producing a partially protected 2'-O-derivatized uridine ribonucleoside which can be reacted at its 3'-hydroxyl group to produce a uridine RNA synthon.
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