175975-77-6Relevant academic research and scientific papers
Tandem intramolecular photocycloaddition-retro-mannich fragmentation as a route to spiro[pyrrolidine-3,3′-oxindoles]. Total synthesis of (±)-coerulescine, (±)-horsfiline, (±)-elacomine, and (±)-6-deoxyelacomine
White, James D.,Li, Yang,Ihle, David C.
, p. 3569 - 3577 (2010)
Figure presented Irradiation of a tryptamine linked through its side-chain nitrogen to an alkylidene malonate residue results in an intramolecular [2 + 2] cycloaddition to the indole 2,3-double bond. The resultant cyclobutane undergoes spontaneous retro-M
