56709-96-7Relevant academic research and scientific papers
SYNTHESIS OF 4H-PYRANS BY O-CYCLIZATION OF 1,5-DIKETONES
Blinokhvatov, A. F.,Markovtseva, O. V.,Nikolaeva, M. N.
, p. 266 - 268 (1992)
Substituted 4H-pyrans were obtained in high preparative yields by the reaction of 1,5-diketones with acetic anhydride and boron trifluoride etherate in diethyl ether.It is assumed that the heterocyclization of 1,5-diketones includes a step involving the f
