Dah-Wei Su, Ying-Chuan Wang and Tu-Hsin Yan
Chem. Commun., 1999, 545-546
DOI:
10.1039/A900577C,
Paper
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.