Diprotection of primary amines as N-substituted-2,5-bis[(triisopropylsilyl)oxy]pyrroles (BIPSOP)
作者:Stephen F. Martin、Chris Limberakis
DOI:10.1016/s0040-4039(97)00443-7
日期:1997.4
Primaryamines are diprotected as their 2,5-bis[(triisopropylsilyl)oxy]pyrrole derivatives (BIPSOP). This protecting group is stable to strong bases such as organolithiums and alkoxides at 0 °C and to temperatures up to about 150 °C. Removal may be accomplished by a mild two step sequence.