N-tetrachlorophthaloyl (TCP) for ready protection/deprotection of amino sugar glycosides
作者:John S Debenham、Sheryl D Debenham、Bert Fraser-Reid
DOI:10.1016/s0968-0896(96)00173-3
日期:1996.11
The tetrachlorophthaloyl (TCP) group can be utilized when imidic protection of an amine is desired and durability of the protecting group to conditions ranging from mildly basic to harshly acidic is required. Installation can be accomplished in two steps by treating the free base with the commercially available TCP anhydride, and then closing the imidic ring with acetic anhydride and pyridine. Cleavage