Co(I) catalyzed yne–ene–yne [2+2+2] cycloaddition: synthesis of highly strained pentacyclic bis-lactones. A new access to tetraaryl N-hydroxyphthalimides
Author/Authors :
Michaux، نويسنده , , Jérôme and Poirot، نويسنده , , Rémi and Einhorn، نويسنده , , Jacques and Bessières، نويسنده , , Bernard، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2014
Pages :
4
From page :
2849
To page :
2852
Abstract :
Highly strained pentacyclic bis-lactones can be obtained by an unusual Co(I) catalyzed [2+2+2] cycloaddition of an yne–ene–yne diester substrate. These bis-lactones can be further transformed into tetraaryl N-hydroxyphthalimides which are potential aerobic oxidation organocatalysts.