One‐Pot Synthesis of Tetrahydro‐2‐Methylidenefurans
摘要:
Tetrahydro-2-methylidenefurans were prepared by the ring-opening/ recyclization reaction of 2-(disubstituted amino)-4,5-dihydro-3-furancarbonitriles with dichloroacetyl chloride in the presence of potassium carbonate.