Stereoselective anti-SN2′ Mitsunobu reaction of α-hydroxy-α-alkenylsilanes
摘要:
A novel silyl group-directed anti-S(N)2' reaction of allylic alcohols under Mitsunobu reaction conditions is described. The Mitsunobu reaction of alpha-hydroxy-alpha-alkenylsilanes with a TBS or TIPS group gave the anti-S(N)2' product, in which regio- and stereochemical outcomes of the reaction depended on the steric bulkiness of the silyl group. (C) 2010 Elsevier Ltd. All rights reserved.
Stereoselective anti-SN2′ Mitsunobu reaction of α-hydroxy-α-alkenylsilanes
摘要:
A novel silyl group-directed anti-S(N)2' reaction of allylic alcohols under Mitsunobu reaction conditions is described. The Mitsunobu reaction of alpha-hydroxy-alpha-alkenylsilanes with a TBS or TIPS group gave the anti-S(N)2' product, in which regio- and stereochemical outcomes of the reaction depended on the steric bulkiness of the silyl group. (C) 2010 Elsevier Ltd. All rights reserved.
K2HPO4 is an efficient catalyst for the transesterification reaction to produce methyl esters. Various functional groups are compatible under the mild reaction conditions.