PROCESS FOR PREPARING PROSTAGLANDIN DERIVATIVES
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United States of America Patent
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app pub date -
May 23, 2013
filing date -
Mar 11, 2009
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Abstract
The present invention relates to a process for preparing a prostaglandin derivative and an intermediate therefor. In accordance with the present invention, the prostaglandin F (PGF) derivative can be efficiently prepared with high purity by removing the protecting group of a protected prostaglandin E (PGE) derivative obtained from conjugate addition and then stereoselectively reducing the ketone group on the cyclopentanone ring of the PGE derivative.
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