73558-80-2Relevant academic research and scientific papers
Studies on Ketene and Its Derivatives. 100. 1-(Dimethylphosphono)- and 1-(Diphenylphosphinyl)-5-oxo-4-oxaspirohexanes. Synthesis and Some Reactions
Kato, Tetsuzo,Katagiri, Nobuya,Sato, Renzo
, p. 2587 - 2592 (1980)
Reaction of diketene with dimethyl (α-diazoalkyl)phosphonates 4-8 and (diazomethyl)diphenylphosphine oxide (14) under irradiation gave E and Z 1-substituted 1-(dimethylphosphono)-5-oxo-4-oxaspirohexanes 9a,b-13a,b and (E)- and (Z)-1-(diphenylphosphin
