910216-69-2Relevant articles and documents
Intramolecular photoaddition of vinylogous amides with allenes: A novel approach to the synthesis of pyrroles
Winkler, Jeffrey D.,Ragains, Justin R.
, p. 4031 - 4033 (2007/10/03)
Irradiation of vinylogous amide or imide 5 (R = H, alkyl, or Ac) leads to the selective formation of either crossed photoadduct 7 (R = Ac) or parallel photoadduct 8 (R = H or alkyl) as a function of the nature of the group R. The latter result leads to a