Synthesis of alpha-methylene-gamma-butyrolactones: Ru-catalyzed cyclocarbonylation of allenyl aldehydes and allenyl ketones.
Kang
Suk-Ku
SK
Department of Chemistry, and Laboratory for Metal-Catalyzed Reactions, Sungkyunkwan University, Suwon 440-746, Korea. skkang@chem.skku.ac.kr
Kim
Kwang-Jin
KJ
Hong
Young-Taek
YT