370587-77-2Relevant articles and documents
Formal intramolecular [5 + 2] photocycloaddition reactions of maleimides: A novel approach to the CDE ring skeleton of (-)-cephalotaxine
Booker-Milburn, Kevin I.,Dudin, Leo F.,Anson, Christopher E.,Guile, Simon D.
, p. 3005 - 3008 (2007/10/03)
matrix presented A concise approach to the cephalotaxine CDE ring skeleton based on the intramolecular formal [5 + 2] photocycloaddition of cyclopentenyl-substituted maleimides is described. An investigation of the diatereoselectivity afforded by various