892849-52-4Relevant academic research and scientific papers
Additions of lithiated alkoxyallenes to phthalimide: A new synthesis of pyrroloisoindolones and an unusual olefination reaction
Kaden, Silvia,Reissig, Hans-Ulrich,Bruedgam, Irene,Hartl, Hans
, p. 1351 - 1359 (2007/10/03)
Addition of an excess of lithiated alkoxyallenes to phthalimide 5 provided the expected primary adducts 7a-c, which could be cyclized via their oxygen moiety to furnish spirofuran derivatives 8a-c. After selective protection of the hydroxyl function of 7a
