作者:Chinh T. Bui、Firas A. Rasoul、Francesca Ercole、Yen Pham、N.Joe Maeji
DOI:10.1016/s0040-4039(98)02085-1
日期:1998.12
Rreductive amination on resins derivatized with 5-(4-formyl-3,5-demethoxy-phenoxy)valeric acid linker (Barany linker. 1)(1) has been reported to be less effective than on resin derivatized with its monomethoxv analog (2)(2) due to steric hindrance of the extra methoxy functional group within the molecule.(3) A study of these linkers indicate that the origins of such data is also related to the spacer and solid support used in the slurry. Depending on the linker. spacer and solid phase, yields from 10% to 75% were obtained under exactly the same reaction conditions. (C) 1998 Elsevier Science Ltd. All rights reserved.