Author/Authors :
Okuma، نويسنده , , Kentaro and Hayano، نويسنده , , Tetsuji and Shioji، نويسنده , , Kosei and Matsuyama، نويسنده , , Haruo، نويسنده ,
Abstract :
Reaction of 5-methylene-1,3-dioxepanes derived from oxaphospholanes and paraformaldehyde with trimethylsilyl trifluoromethanesulfonate in the presence of a base yielded novel, exo formyl tetrahydropyran derivatives in good yields.