Bu3Sn-substituted benzothiazolyl sulfones 1c, 1d, and 1f were subjected to Julia olefination reactions with a variety of aldehydes. cis-Selectivities up to 97:3 were obtained by using KHMDS as base in THF.
Bu3Sn 替代的
苯并噻唑亚
磺酸酯 1c、1d 和 1f 与多种醛进行 Julia 脯
氨酸反应。在 THF 中使用 K
HMDS 作为碱时,获得的顺式选择性高达 97:3。