Bromine in Methanol: An Efficient Reagent for the Deprotection of the tert-Butyldiphenylsilyl Group
作者:M. Teresa Barros、Christopher D. Maycock、Christine Thomassigny
DOI:10.1055/s-2001-15136
日期:——
A selective reagent for the deprotection of a tert-butyl-diphenylsilyl (TBDPS) ether in the presence of other protecting groups, using a solution of bromine in methanol under reflux is presented. By extension, this reagent has been introduced for the deprotection of TBDPS amines and esters and has also shown good selectivity in the removal of a TBDMS ether in the presence of a TBDPS one.
OVERMAN L. E.; OKAZAKI M. E.; MISHRA PRATIBHA, TETRAHEDRON LETT., 27,(1986) N 37, 4391-4394
作者:OVERMAN L. E.、 OKAZAKI M. E.、 MISHRA PRATIBHA
DOI:——
日期:——
-Butyldiphenylsilylamines: A useful protecting group for primary amines
作者:Larry E Overman、Mark E Okazaki、Pratibha Mishra
DOI:10.1016/s0040-4039(00)84960-6
日期:1986.1
The utility of the -butyldiphenylsilyl group for protecting primary amines is explored. These derivatives are notably stable to chromatography, basic and hydrolytic reagents, as well as alkylating and acylating reagents. They are smoothly cleaved by mild acid and pyridine-HF.