DMAP-promoted racemization-free deacylation of carboxthioimide† adducts: carboxthioimide as a versatile carboxy protecting group

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Dah-Wei Su, Ying-Chuan Wang and Tu-Hsin Yan


Abstract

The DMAP-promoted deacylation of carboxthioimide adducts can be directed to form either acid or various ester protecting groups with no detectable levels of epimerization.


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