Synthesis of 2,2-dimethyl-4-cyclopentene-1,3-dione and 5,5-dimethyl-4-hydroxy-2-cyclopenten-1-one

Article abstract of DOI:10.1016/0040-4039(96)01409-8

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.