866336-23-4Relevant articles and documents
An application of the phosphine-catalyzed [4 + 2] annulation in indole alkaloid synthesis: Formal syntheses of (±)-alstonerine and (±)-macroline
Tran, Yang S.,Kwon, Ohyun
, p. 4289 - 4291 (2005)
(Chemical Equation Presented) An application of the phosphine-catalyzed [4 + 2] annulation in the formal synthesis of alstonerine and macroline is reported. A phosphine-catalyzed [4 + 2] reaction between imine 7a and allene 8 formed the D ring of the targ