217633-27-7Relevant articles and documents
Reaction control in synthetic organic photochemistry: Switching between [5+2] and [2+2] Modes of Cycloaddition
Roscini, Claudio,Cubbage, Kara L.,Berry, Malcolm,Orr-Ewing, Andrew J.,Booker-Milburn, Kevin I.
, p. 8716 - 8720 (2009)
Split personality: Reaction conditions that enable powerful control over the mode of photocycloaddition in maleimides have been developed. Direct irradiation favors the [5+2] mode whereas sensitized irradiation allows a complete switch to the [2+2] mode (see scheme; TBS=tertbutyldimethylsilyl).
