127626-87-3Relevant academic research and scientific papers
The preparation and use of metallo-6-vinylidene penams
Buynak,Borate,Lamb,Isom,Husting,Khasnis
, p. 294 - 296 (1990)
The parent unsubstituted 6-vinylidenepenam and various 6-acetylenic penams are shown to be available from corresponding allenyl iodides.
Synthesis of 6-Vinylidenepenams
Buynak, John D.,Borate, H. B.,Lamb, Grady W.,Khasnis, Dipti D.,Husting, Chad,et al.
, p. 1325 - 1335 (2007/10/02)
The preparation of unique penicillin derivatives containing an exocyclic allene at the 6 position (6-vinylidenepenams) is described.The synthetic scheme utilizes 6-oxopenicillinates as intermediates which stereospecifically add acetylide anions forming pr
