136829-46-4Relevant academic research and scientific papers
CHEMISTRY OF PHOSPHOROUS YLIDES 10 REACTION WITH PHOSPHACUMULENES IV. SYNTHESIS OF PYRAN, PHOSPHORANYLIDENE, OXAPHOSPHORIN AND OXAZAPHOSPHORIN FROM THE REACTION OF 1,3-DIOXO-Δ2,α-INDANEMALONONITRILE WITH PHOSPHORANES AND IMINOPHOSPHORANES
Soliman, Fouad M.,Said, Medhat M.
, p. 335 - 340 (2007/10/02)
1,3-Dioxo-Δ2,α-indanmalononitrile (1) reacts with the active ketenylidene-(2a) and thioketenylidenetriphenyl phosphorane (2b) to give the corresponding pyrans 3 (X=O or S).The reaction of pyran 3 with p-nitroaldehyde proceeds according to the W
