2-烯丙氧基吲哚-3-酮的甲硅烷基化不对称克莱森重排:3a-羟基吡咯并[2,3- b ]二氢吲哚啉生物碱的对映选择性全合成
摘要:
为了制备3-(2'-壬烯基)-3-羟基吲哚-2-酮,进行了由2-(1'-壬基-3'-氧基氧基)吲哚-3-酮的甲硅烷基烯化反应引发的不对称克莱森重排。通过将3-(2'-壬烯基)-3-羟基吲哚-2-酮的烯丙基部分转化为胺,然后转化成3-羟基吡咯并[2,3- b ]二氢吲哚啉生物碱(+)-alline,实现了全合成。还原环化。
2-烯丙氧基吲哚-3-酮的甲硅烷基化不对称克莱森重排:3a-羟基吡咯并[2,3- b ]二氢吲哚啉生物碱的对映选择性全合成
摘要:
为了制备3-(2'-壬烯基)-3-羟基吲哚-2-酮,进行了由2-(1'-壬基-3'-氧基氧基)吲哚-3-酮的甲硅烷基烯化反应引发的不对称克莱森重排。通过将3-(2'-壬烯基)-3-羟基吲哚-2-酮的烯丙基部分转化为胺,然后转化成3-羟基吡咯并[2,3- b ]二氢吲哚啉生物碱(+)-alline,实现了全合成。还原环化。
Silyl-enolization-asymmetric Claisen rearrangement of 2-allyloxyindolin-3-one: enantioselective total synthesis of 3a-hydroxypyrrolo[2,3-b]indoline alkaloid alline
Asymmetric Claisen rearrangement triggered by silyl-enolization of 2-(1′-nonel-3′-yloxy)indolin-3-ones was performed in order to prepare 3-(2′-nonenyl)-3-hydroxyindolin-2-ones. Total synthesis of 3-hydroxypyrrolo[2,3-b]indoline alkaloid, (+)-alline was achieved by transformation of the allylic moiety of 3-(2′-nonenyl)-3-hydroxyindolin-2-one to amine followed by reductive cyclization.
为了制备3-(2'-壬烯基)-3-羟基吲哚-2-酮,进行了由2-(1'-壬基-3'-氧基氧基)吲哚-3-酮的甲硅烷基烯化反应引发的不对称克莱森重排。通过将3-(2'-壬烯基)-3-羟基吲哚-2-酮的烯丙基部分转化为胺,然后转化成3-羟基吡咯并[2,3- b ]二氢吲哚啉生物碱(+)-alline,实现了全合成。还原环化。