Enedione 1 and related rac- and optically active enones 2 bearing a hydroxyl- 2a or a protected- 2b-c or an activated- 2d 4-hydroxyl group at C-4 have been efficiently synthesized from cheap and readily available starting materials.
Enedione 1和相关的外消旋-和光学活性烯酮2带有羟基2A或protected- 2B-C或活化的2D
4-羟基在C-4已经从便宜和容易获得的起始原料被有效地合成。