Transition-Metal-Free Synthesis of <i>N</i>
-Hydroxy Oxindoles by an Aza-Nazarov-Type Reaction Involving Azaoxyallyl Cations
作者:Wenzhi Ji、Yahu A. Liu、Xuebin Liao
DOI:10.1002/anie.201607177
日期:2016.10.10
transition‐metal‐free method to construct N‐hydroxy oxindoles by an aza‐Nazarov‐type reactioninvolvingazaoxyallylcation intermediates is described. A variety of functional groups were tolerated under the weak basic reaction conditions and at room temperature. A one‐pot process was also developed to make the reaction even more practical. This method provides alternative access to oxindoles and their biologically active
GEFFKEN D.; STROHAUER K., ARCH. PHARM., 319,(1986) N 12, 1084-1091
作者:GEFFKEN D.、 STROHAUER K.
DOI:——
日期:——
3-Alkoxy-1.2.3-oxathiazolidin-4-on-2-oxide und 1-Alkoxy-indolin-2-one aus N-Alkoxyglykolamiden und Thionylchlorid oder 1.1′-Thionyldiimidazol
作者:Detlef Geffken、Knuth Strohauer
DOI:10.1002/ardp.19863191206
日期:——
N‐Alkoxyglykolamide 1 reagieren mit Thionylchloridoder1.1′‐Thionyldiimidazol in Abhängigkeit von der Natur der Substituenten an C‐2 zu 3‐Alkoxy‐1.2.3‐oxathiazolidin‐4‐on‐2‐oxiden 4 oder zu 1‐Alkoxy‐3‐arylindolin‐2‐onen 6.