Bicyclic lactams as templates for peptidomimetics. Studies on stereoselective synthetic routes to 6-oxoperhydropyrrolo[1,2-a]pyrazines
作者:Mercedes Martín-Martínez、Rosario Herranz、MaTeresa García-López、Rosario González-Muñiz
DOI:10.1016/0040-4020(96)00842-3
日期:1996.10
7-trisubstituted 6-oxoperhydropyrrolo[1,2-a]pyrazines, as spacer templates for peptidomimetics, from the corresponding 3,6-dioxo analogues is described using different reduction methods. An alternative approach, based on the intramolecular reductive amination of 4-ketodiesters derived from ψ[CH2NH] pseudodipeptides and subsequent γ-lactamization, was also used for the stereoselective preparation of these
使用不同的还原方法描述了由相应的3,6-二氧杂类似物合成4,7,7-三取代的6-氧杂氢吡咯并[1,2-a]吡嗪,作为拟肽的间隔物模板。基于从ψ[CH 2 NH]假二肽衍生的4-酮二酸酯的分子内还原胺化和随后的γ-内酰胺化的替代方法也用于这些模板的立体选择性制备。